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OrcaSlicer/src/slic3r/GUI/ImGuiWrapper.cpp
liz.li 07dd4c3672 FIX:mousewheel bug in preview slider 
Change-Id: I9366a9c36250519259c132380e0a69697b6ee18c
2022-09-29 11:16:43 +08:00

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#include "ImGuiWrapper.hpp"
#include <cstdio>
#include <vector>
#include <cmath>
#include <stdexcept>
#include <boost/format.hpp>
#include <boost/log/trivial.hpp>
#include <boost/filesystem.hpp>
#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
#include <boost/algorithm/string/predicate.hpp>
#include <boost/nowide/convert.hpp>
#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
#include <wx/string.h>
#include <wx/event.h>
#include <wx/clipbrd.h>
#include <wx/debug.h>
#include <GL/glew.h>
#ifndef IMGUI_DEFINE_MATH_OPERATORS
#define IMGUI_DEFINE_MATH_OPERATORS
#endif
#include <imgui/imgui_internal.h>
#include "libslic3r/libslic3r.h"
#include "libslic3r/Utils.hpp"
#include "3DScene.hpp"
#include "GUI.hpp"
#include "I18N.hpp"
#include "Search.hpp"
#include "BitmapCache.hpp"
#include "../Utils/MacDarkMode.hpp"
#include "nanosvg/nanosvg.h"
#include "nanosvg/nanosvgrast.h"
#include "OpenGLManager.hpp"
namespace Slic3r {
namespace GUI {
static const std::map<const wchar_t, std::string> font_icons = {
{ImGui::PrintIconMarker , "cog" },
{ImGui::PrinterIconMarker , "printer" },
// remove sla_printer
//{ImGui::PrinterSlaIconMarker , "sla_printer" },
{ImGui::FilamentIconMarker , "spool" },
{ImGui::MaterialIconMarker , "blank_16" },
{ImGui::MinimalizeButton , "notification_minimalize" },
{ImGui::MinimalizeHoverButton , "notification_minimalize_hover" },
{ImGui::RightArrowButton , "notification_right" },
{ImGui::RightArrowHoverButton , "notification_right_hover" },
{ImGui::PreferencesButton , "notification_preferences" },
{ImGui::PreferencesHoverButton , "notification_preferences_hover"},
#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
{ImGui::SliderFloatEditBtnIcon, "edit_button" },
#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
{ImGui::CircleButtonIcon , "circle_paint" },
{ImGui::TriangleButtonIcon , "triangle_paint" },
{ImGui::FillButtonIcon , "fill_paint" },
{ImGui::HeightRangeIcon , "height_range" },
{ImGui::GapFillIcon , "gap_fill" },
{ImGui::FoldButtonIcon , "im_fold" },
{ImGui::UnfoldButtonIcon , "im_unfold" },
{ImGui::SphereButtonIcon , "toolbar_modifier_sphere" },
};
static const std::map<const wchar_t, std::string> font_icons_large = {
{ImGui::CloseNotifButton , "notification_close" },
{ImGui::CloseNotifHoverButton , "notification_close_hover" },
//BBS removed
{ImGui::EjectButton , "notification_eject_sd" },
{ImGui::EjectHoverButton , "notification_eject_sd_hover" },
//{ImGui::WarningMarker , "notification_warning" },
//{ImGui::ErrorMarker , "notification_error" },
{ImGui::CancelButton , "notification_cancel" },
{ImGui::CancelHoverButton , "notification_cancel_hover" },
// {ImGui::SinkingObjectMarker , "move" },
// {ImGui::CustomSupportsMarker , "toolbar_support" },
// {ImGui::CustomSeamMarker , "seam" },
// {ImGui::MmuSegmentationMarker , "mmu_segmentation" },
// {ImGui::VarLayerHeightMarker , "layers" },
{ImGui::DocumentationButton , "notification_documentation" },
{ImGui::DocumentationHoverButton, "notification_documentation_hover"},
//{ImGui::InfoMarker , "notification_info" },
};
static const std::map<const wchar_t, std::string> font_icons_extra_large = {
//BBS do not use notification_clippy
//{ImGui::ClippyMarker , "notification_clippy" },
};
const ImVec4 ImGuiWrapper::COL_GREY_DARK = { 0.333f, 0.333f, 0.333f, 1.0f };
const ImVec4 ImGuiWrapper::COL_GREY_LIGHT = { 0.4f, 0.4f, 0.4f, 1.0f };
const ImVec4 ImGuiWrapper::COL_ORANGE_DARK = { 0.757f, 0.404f, 0.216f, 1.0f };
const ImVec4 ImGuiWrapper::COL_ORANGE_LIGHT = { 1.0f, 0.49f, 0.216f, 1.0f };
const ImVec4 ImGuiWrapper::COL_WINDOW_BACKGROUND = { 0.133f, 0.133f, 0.133f, 0.8f };
const ImVec4 ImGuiWrapper::COL_BUTTON_BACKGROUND = COL_ORANGE_DARK;
const ImVec4 ImGuiWrapper::COL_BUTTON_HOVERED = COL_ORANGE_LIGHT;
const ImVec4 ImGuiWrapper::COL_BUTTON_ACTIVE = ImGuiWrapper::COL_BUTTON_HOVERED;
//BBS
const ImVec4 ImGuiWrapper::COL_BLUE_LIGHT = ImVec4(0.122f, 0.557f, 0.918f, 1.0f);
const ImVec4 ImGuiWrapper::COL_GREEN_LIGHT = ImVec4(0.86f, 0.99f, 0.91f, 1.0f);
const ImVec4 ImGuiWrapper::COL_HOVER = { 0.933f, 0.933f, 0.933f, 1.0f };
const ImVec4 ImGuiWrapper::COL_ACTIVE = { 0.675f, 0.675f, 0.675f, 1.0f };
const ImVec4 ImGuiWrapper::COL_SEPARATOR = { 0.93f, 0.93f, 0.93f,1.0f };
const ImVec4 ImGuiWrapper::COL_TITLE_BG = { 0.745f, 0.745f, 0.745f, 1.0f };
const ImVec4 ImGuiWrapper::COL_WINDOW_BG = { 1.000f, 1.000f, 1.000f, 0.95f };
int ImGuiWrapper::TOOLBAR_WINDOW_FLAGS = ImGuiWindowFlags_AlwaysAutoResize
| ImGuiWindowFlags_NoMove
| ImGuiWindowFlags_NoResize
| ImGuiWindowFlags_NoCollapse
| ImGuiWindowFlags_NoTitleBar;
static float accer = 1.f;
bool get_data_from_svg(const std::string &filename, unsigned int max_size_px, ThumbnailData &thumbnail_data)
{
bool compression_enabled = false;
NSVGimage *image = nsvgParseFromFile(filename.c_str(), "px", 96.0f);
if (image == nullptr) { return false; }
float scale = (float) max_size_px / std::max(image->width, image->height);
thumbnail_data.width = (int) (scale * image->width);
thumbnail_data.height = (int) (scale * image->height);
int n_pixels = thumbnail_data.width * thumbnail_data.height;
if (n_pixels <= 0) {
nsvgDelete(image);
return false;
}
NSVGrasterizer *rast = nsvgCreateRasterizer();
if (rast == nullptr) {
nsvgDelete(image);
return false;
}
// creates the temporary buffer only once, with max size, and reuse it for all the levels, if generating mipmaps
std::vector<unsigned char> data(n_pixels * 4, 0);
thumbnail_data.pixels = data;
nsvgRasterize(rast, image, 0, 0, scale, thumbnail_data.pixels.data(), thumbnail_data.width, thumbnail_data.height, thumbnail_data.width * 4);
// we manually generate mipmaps because glGenerateMipmap() function is not reliable on all graphics cards
int lod_w = thumbnail_data.width;
int lod_h = thumbnail_data.height;
GLint level = 0;
while (lod_w > 1 || lod_h > 1) {
++level;
lod_w = std::max(lod_w / 2, 1);
lod_h = std::max(lod_h / 2, 1);
scale /= 2.0f;
data.resize(lod_w * lod_h * 4);
nsvgRasterize(rast, image, 0, 0, scale, data.data(), lod_w, lod_h, lod_w * 4);
}
nsvgDeleteRasterizer(rast);
nsvgDelete(image);
return true;
}
bool slider_behavior(ImGuiID id, const ImRect& region, const ImS32 v_min, const ImS32 v_max, ImS32* out_value, ImRect* out_handle, ImGuiSliderFlags flags/* = 0*/, const int fixed_value/* = -1*/, const ImVec4& fixed_rect/* = ImRect()*/)
{
ImGuiContext& context = *GImGui;
ImGuiIO& io = ImGui::GetIO();
const ImGuiAxis axis = (flags & ImGuiSliderFlags_Vertical) ? ImGuiAxis_Y : ImGuiAxis_X;
const ImVec2 handle_sz = out_handle->GetSize();
ImS32 v_range = (v_min < v_max ? v_max - v_min : v_min - v_max);
const float region_usable_sz = (region.Max[axis] - region.Min[axis]);
const float region_usable_pos_min = region.Min[axis];
const float region_usable_pos_max = region.Max[axis];
// Process interacting with the slider
ImS32 v_new = *out_value;
bool value_changed = false;
// wheel behavior
ImRect mouse_wheel_responsive_region;
if (axis == ImGuiAxis_X)
mouse_wheel_responsive_region = ImRect(region.Min - ImVec2(handle_sz.x / 2, 0), region.Max + ImVec2(handle_sz.x / 2, 0));
if (axis == ImGuiAxis_Y)
mouse_wheel_responsive_region = ImRect(region.Min - ImVec2(0, handle_sz.y), region.Max + ImVec2(0, handle_sz.y));
if (ImGui::ItemHoverable(mouse_wheel_responsive_region, id)) {
v_new = ImClamp(*out_value + (ImS32)(context.IO.MouseWheel * accer), v_min, v_max);
}
// drag behavior
if (context.ActiveId == id)
{
float mouse_pos_ratio = 0.0f;
if (context.ActiveIdSource == ImGuiInputSource_Mouse)
{
if (context.IO.MouseReleased[0])
{
ImGui::ClearActiveID();
}
if (context.IO.MouseDown[0])
{
const float mouse_abs_pos = context.IO.MousePos[axis];
mouse_pos_ratio = (region_usable_sz > 0.0f) ? ImClamp((mouse_abs_pos - region_usable_pos_min) / region_usable_sz, 0.0f, 1.0f) : 0.0f;
if (axis == ImGuiAxis_Y)
mouse_pos_ratio = 1.0f - mouse_pos_ratio;
v_new = v_min + (ImS32)(v_range * mouse_pos_ratio + 0.5f);
}
}
}
// click in fixed_rect behavior
if (ImGui::ItemHoverable(fixed_rect, id) && context.IO.MouseReleased[0])
{
v_new = fixed_value;
}
// apply result, output value
if (*out_value != v_new)
{
*out_value = v_new;
value_changed = true;
}
// Output handle position so it can be displayed by the caller
const ImS32 v_clamped = (v_min < v_max) ? ImClamp(*out_value, v_min, v_max) : ImClamp(*out_value, v_max, v_min);
float handle_pos_ratio = v_range != 0 ? ((float)(v_clamped - v_min) / (float)v_range) : 0.0f;
handle_pos_ratio = axis == ImGuiAxis_Y ? 1.0f - handle_pos_ratio : handle_pos_ratio;
const float handle_pos = region_usable_pos_min + (region_usable_pos_max - region_usable_pos_min) * handle_pos_ratio;
ImVec2 new_handle_center = axis == ImGuiAxis_Y ? ImVec2(out_handle->GetCenter().x, handle_pos) : ImVec2(handle_pos, out_handle->GetCenter().y);
*out_handle = ImRect(new_handle_center - handle_sz * 0.5f, new_handle_center + handle_sz * 0.5f);
return value_changed;
}
bool button_with_pos(ImTextureID user_texture_id, const ImVec2 &size, const ImVec2 &pos, const ImVec2 &uv0, const ImVec2 &uv1, int frame_padding, const ImVec4 &bg_col, const ImVec4 &tint_col, const ImVec2 &margin)
{
ImGuiContext &g = *GImGui;
ImGuiWindow * window = g.CurrentWindow;
if (window->SkipItems) return false;
// Default to using texture ID as ID. User can still push string/integer prefixes.
ImGui::PushID((void *) (intptr_t) user_texture_id);
const ImGuiID id = window->GetID("#image");
ImGui::PopID();
const ImVec2 padding = (frame_padding >= 0) ? ImVec2((float) frame_padding, (float) frame_padding) : g.Style.FramePadding;
const ImRect bb(pos, pos + size + padding * 2 + margin * 2);
bool hovered, held;
bool pressed = ImGui::ButtonBehavior(bb, id, &hovered, &held);
// Render
const ImU32 col = ImGui::GetColorU32((held && hovered) ? ImGuiCol_ButtonActive : hovered ? ImGuiCol_ButtonHovered : ImGuiCol_Button);
ImGui::RenderNavHighlight(bb, id);
const float border_size = g.Style.FrameBorderSize;
if (border_size > 0.0f) {
window->DrawList->AddRect(bb.Min + ImVec2(1, 1), bb.Max + ImVec2(1, 1), col, g.Style.FrameRounding, 0, border_size);
window->DrawList->AddRect(bb.Min, bb.Max, col, g.Style.FrameRounding, 0, border_size);
}
if (bg_col.w > 0.0f) window->DrawList->AddRectFilled(bb.Min + padding, bb.Max - padding, ImGui::GetColorU32(bg_col));
window->DrawList->AddImage(user_texture_id, bb.Min + padding + margin, bb.Max - padding - margin, uv0, uv1, ImGui::GetColorU32(tint_col));
return pressed;
}
ImGuiWrapper::ImGuiWrapper()
{
ImGui::CreateContext();
init_input();
init_style();
ImGui::GetIO().IniFilename = nullptr;
}
ImGuiWrapper::~ImGuiWrapper()
{
destroy_font();
ImGui::DestroyContext();
}
void ImGuiWrapper::set_language(const std::string &language)
{
if (m_new_frame_open) {
// ImGUI internally locks the font between NewFrame() and EndFrame()
// NewFrame() might've been called here because of input from the 3D scene;
// call EndFrame()
ImGui::EndFrame();
m_new_frame_open = false;
}
const ImWchar *ranges = nullptr;
size_t idx = language.find('_');
std::string lang = (idx == std::string::npos) ? language : language.substr(0, idx);
static const ImWchar ranges_latin2[] =
{
0x0020, 0x00FF, // Basic Latin + Latin Supplement
0x0100, 0x017F, // Latin Extended-A
0,
};
static const ImWchar ranges_turkish[] = {
0x0020, 0x01FF, // Basic Latin + Latin Supplement
0x0100, 0x017F, // Latin Extended-A
0x0180, 0x01FF, // Turkish
0,
};
static const ImWchar ranges_vietnamese[] =
{
0x0020, 0x00FF, // Basic Latin
0x0102, 0x0103,
0x0110, 0x0111,
0x0128, 0x0129,
0x0168, 0x0169,
0x01A0, 0x01A1,
0x01AF, 0x01B0,
0x1EA0, 0x1EF9,
0,
};
m_font_cjk = false;
if (lang == "cs" || lang == "pl") {
ranges = ranges_latin2;
} else if (lang == "ru" || lang == "uk") {
ranges = ImGui::GetIO().Fonts->GetGlyphRangesCyrillic(); // Default + about 400 Cyrillic characters
} else if (lang == "tr") {
ranges = ranges_turkish;
} else if (lang == "vi") {
ranges = ranges_vietnamese;
} else if (lang == "ja") {
ranges = ImGui::GetIO().Fonts->GetGlyphRangesJapanese(); // Default + Hiragana, Katakana, Half-Width, Selection of 1946 Ideographs
m_font_cjk = true;
} else if (lang == "ko") {
ranges = ImGui::GetIO().Fonts->GetGlyphRangesKorean(); // Default + Korean characters
m_font_cjk = true;
} else if (lang == "zh") {
ranges = (language == "zh_TW") ?
// Traditional Chinese
// Default + Half-Width + Japanese Hiragana/Katakana + full set of about 21000 CJK Unified Ideographs
ImGui::GetIO().Fonts->GetGlyphRangesChineseFull() :
// Simplified Chinese
// Default + Half-Width + Japanese Hiragana/Katakana + set of 2500 CJK Unified Ideographs for common simplified Chinese
ImGui::GetIO().Fonts->GetGlyphRangesChineseFull();
m_font_cjk = true;
} else if (lang == "th") {
ranges = ImGui::GetIO().Fonts->GetGlyphRangesThai(); // Default + Thai characters
} else {
ranges = ImGui::GetIO().Fonts->GetGlyphRangesDefault(); // Basic Latin, Extended Latin
}
if (ranges != m_glyph_ranges) {
m_glyph_ranges = ranges;
destroy_font();
}
}
void ImGuiWrapper::set_display_size(float w, float h)
{
ImGuiIO& io = ImGui::GetIO();
io.DisplaySize = ImVec2(w, h);
io.DisplayFramebufferScale = ImVec2(1.0f, 1.0f);
}
void ImGuiWrapper::set_scaling(float font_size, float scale_style, float scale_both)
{
font_size *= scale_both;
scale_style *= scale_both;
if (m_font_size == font_size && m_style_scaling == scale_style) {
return;
}
m_font_size = font_size;
ImGui::GetStyle().ScaleAllSizes(scale_style / m_style_scaling);
m_style_scaling = scale_style;
destroy_font();
}
bool ImGuiWrapper::update_mouse_data(wxMouseEvent& evt)
{
if (! display_initialized()) {
return false;
}
ImGuiIO& io = ImGui::GetIO();
io.MousePos = ImVec2((float)evt.GetX(), (float)evt.GetY());
io.MouseDown[0] = evt.LeftIsDown();
io.MouseDown[1] = evt.RightIsDown();
io.MouseDown[2] = evt.MiddleIsDown();
float wheel_delta = static_cast<float>(evt.GetWheelDelta());
if (wheel_delta != 0.0f) {
io.MouseWheel = evt.GetWheelRotation() > 0 ? 1.f : -1.f;
}
unsigned buttons = (evt.LeftIsDown() ? 1 : 0) | (evt.RightIsDown() ? 2 : 0) | (evt.MiddleIsDown() ? 4 : 0);
m_mouse_buttons = buttons;
if (want_mouse())
new_frame();
return want_mouse();
}
bool ImGuiWrapper::update_key_data(wxKeyEvent &evt)
{
if (! display_initialized()) {
return false;
}
ImGuiIO& io = ImGui::GetIO();
if (evt.CmdDown()) {
accer = 5.f;
}
else if (evt.ShiftDown()) {
#ifdef __APPLE__
accer = -5.f;
#else
accer = 5.f;
#endif
}
else
accer = 1.f;
if (evt.GetEventType() == wxEVT_CHAR) {
// Char event
const auto key = evt.GetUnicodeKey();
if (key != 0) {
io.AddInputCharacter(key);
}
} else {
// Key up/down event
int key = evt.GetKeyCode();
wxCHECK_MSG(key >= 0 && key < IM_ARRAYSIZE(io.KeysDown), false, "Received invalid key code");
io.KeysDown[key] = evt.GetEventType() == wxEVT_KEY_DOWN;
io.KeyShift = evt.ShiftDown();
io.KeyCtrl = evt.ControlDown();
io.KeyAlt = evt.AltDown();
io.KeySuper = evt.MetaDown();
}
bool ret = want_keyboard() || want_text_input();
if (ret)
new_frame();
return ret;
}
void ImGuiWrapper::new_frame()
{
if (m_new_frame_open) {
return;
}
if (m_font_texture == 0) {
init_font(true);
}
ImGui::NewFrame();
m_new_frame_open = true;
}
void ImGuiWrapper::render()
{
ImGui::Render();
render_draw_data(ImGui::GetDrawData());
m_new_frame_open = false;
}
ImVec2 ImGuiWrapper::calc_text_size(const wxString &text, float wrap_width) const
{
auto text_utf8 = into_u8(text);
ImVec2 size = ImGui::CalcTextSize(text_utf8.c_str(), NULL, false, wrap_width);
/*#ifdef __linux__
size.x *= m_style_scaling;
size.y *= m_style_scaling;
#endif*/
return size;
}
ImVec2 ImGuiWrapper::calc_button_size(const wxString &text, const ImVec2 &button_size) const
{
const ImVec2 text_size = this->calc_text_size(text);
const ImGuiContext &g = *GImGui;
const ImGuiStyle &style = g.Style;
return ImGui::CalcItemSize(button_size, text_size.x + style.FramePadding.x * 2.0f, text_size.y + style.FramePadding.y * 2.0f);
}
ImVec2 ImGuiWrapper::get_item_spacing() const
{
const ImGuiContext &g = *GImGui;
const ImGuiStyle &style = g.Style;
return style.ItemSpacing;
}
float ImGuiWrapper::get_slider_float_height() const
{
const ImGuiContext& g = *GImGui;
const ImGuiStyle& style = g.Style;
return g.FontSize + style.FramePadding.y * 2.0f + style.ItemSpacing.y;
}
void ImGuiWrapper::set_next_window_pos(float x, float y, int flag, float pivot_x, float pivot_y)
{
ImGui::SetNextWindowPos(ImVec2(x, y), (ImGuiCond)flag, ImVec2(pivot_x, pivot_y));
ImGui::SetNextWindowSize(ImVec2(0.0, 0.0));
}
void ImGuiWrapper::set_next_window_bg_alpha(float alpha)
{
ImGui::SetNextWindowBgAlpha(alpha);
}
void ImGuiWrapper::set_next_window_size(float x, float y, ImGuiCond cond)
{
ImGui::SetNextWindowSize(ImVec2(x, y), cond);
}
/* BBL style widgets */
bool ImGuiWrapper::bbl_input_double(const wxString& label, const double& value, const std::string& format)
{
//return ImGui::InputDouble(label.c_str(), const_cast<double *>(&value), 0.0f, 0.0f, format.c_str(), ImGuiInputTextFlags_CharsDecimal);
return ImGui::InputDouble(label.c_str(), const_cast<double *>(&value), 0.0f, 0.0f, format.c_str(), ImGuiInputTextFlags_CharsDecimal);
}
bool ImGuiWrapper::bbl_slider_float_style(const std::string &label, float *v, float v_min, float v_max, const char *format, float power, bool clamp, const wxString &tooltip)
{
ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 0.0f);
ImGui::PushStyleColor(ImGuiCol_FrameBgHovered, ImVec4(238 / 255.0f, 238 / 255.0f, 238 / 255.0f, 0.00f));
ImGui::PushStyleColor(ImGuiCol_FrameBgActive, ImVec4(238 / 255.0f, 238 / 255.0f, 238 / 255.0f, 0.00f));
ImGui::PushStyleColor(ImGuiCol_SliderGrab, ImVec4(0.81f, 0.81f, 0.81f, 1.0f));
ImGui::PushStyleColor(ImGuiCol_SliderGrabActive, ImVec4(0.00f, 0.68f, 0.26f, 1.00f));
bool ret = bbl_slider_float(label, v, v_min,v_max, format, power, clamp,tooltip);
ImGui::PopStyleColor(4);
ImGui::PopStyleVar(1);
return ret;
}
bool ImGuiWrapper::bbl_slider_float(const std::string& label, float* v, float v_min, float v_max, const char* format, float power, bool clamp, const wxString& tooltip)
{
const float max_tooltip_width = ImGui::GetFontSize() * 20.0f;
// let the label string start with "##" to hide the automatic label from ImGui::SliderFloat()
bool label_visible = !boost::algorithm::istarts_with(label, "##");
std::string str_label = label_visible ? std::string("##") + std::string(label) : std::string(label);
// removes 2nd evenience of "##", if present
std::string::size_type pos = str_label.find("##", 2);
if (pos != std::string::npos)
str_label = str_label.substr(0, pos) + str_label.substr(pos + 2);
bool ret = ImGui::BBLSliderFloat(str_label.c_str(), v, v_min, v_max, format, power);
m_last_slider_status.hovered = ImGui::IsItemHovered();
m_last_slider_status.clicked = ImGui::IsItemClicked();
m_last_slider_status.deactivated_after_edit = ImGui::IsItemDeactivatedAfterEdit();
if (!tooltip.empty() && ImGui::IsItemHovered())
this->tooltip(into_u8(tooltip).c_str(), max_tooltip_width);
if (clamp)
*v = std::clamp(*v, v_min, v_max);
const ImGuiStyle& style = ImGui::GetStyle();
if (label_visible) {
// if the label is visible, hide the part of it that should be hidden
std::string out_label = std::string(label);
std::string::size_type pos = out_label.find("##");
if (pos != std::string::npos)
out_label = out_label.substr(0, pos);
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, { 1, style.ItemSpacing.y });
ImGui::SameLine();
this->text(out_label.c_str());
ImGui::PopStyleVar();
}
return ret;
}
bool ImGuiWrapper::begin(const std::string &name, int flags)
{
return ImGui::Begin(name.c_str(), nullptr, (ImGuiWindowFlags)flags);
}
bool ImGuiWrapper::begin(const wxString &name, int flags)
{
return begin(into_u8(name), flags);
}
bool ImGuiWrapper::begin(const std::string& name, bool* close, int flags)
{
return ImGui::Begin(name.c_str(), close, (ImGuiWindowFlags)flags);
}
bool ImGuiWrapper::begin(const wxString& name, bool* close, int flags)
{
return begin(into_u8(name), close, flags);
}
void ImGuiWrapper::end()
{
ImGui::End();
}
bool ImGuiWrapper::button(const wxString &label)
{
auto label_utf8 = into_u8(label);
return ImGui::Button(label_utf8.c_str());
}
bool ImGuiWrapper::bbl_button(const wxString &label)
{
auto label_utf8 = into_u8(label);
return ImGui::BBLButton(label_utf8.c_str());
}
bool ImGuiWrapper::button(const wxString& label, float width, float height)
{
auto label_utf8 = into_u8(label);
return ImGui::Button(label_utf8.c_str(), ImVec2(width, height));
}
bool ImGuiWrapper::radio_button(const wxString &label, bool active)
{
auto label_utf8 = into_u8(label);
return ImGui::RadioButton(label_utf8.c_str(), active);
}
bool ImGuiWrapper::image_button()
{
return false;
}
bool ImGuiWrapper::input_double(const std::string &label, const double &value, const std::string &format)
{
return ImGui::InputDouble(label.c_str(), const_cast<double*>(&value), 0.0f, 0.0f, format.c_str(), ImGuiInputTextFlags_CharsDecimal);
}
bool ImGuiWrapper::input_double(const wxString &label, const double &value, const std::string &format)
{
auto label_utf8 = into_u8(label);
return input_double(label_utf8, value, format);
}
bool ImGuiWrapper::input_vec3(const std::string &label, const Vec3d &value, float width, const std::string &format)
{
bool value_changed = false;
ImGui::BeginGroup();
for (int i = 0; i < 3; ++i)
{
std::string item_label = (i == 0) ? "X" : ((i == 1) ? "Y" : "Z");
ImGui::PushID(i);
ImGui::PushItemWidth(width);
value_changed |= ImGui::InputDouble(item_label.c_str(), const_cast<double*>(&value(i)), 0.0f, 0.0f, format.c_str());
ImGui::PopID();
}
ImGui::EndGroup();
return value_changed;
}
bool ImGuiWrapper::checkbox(const wxString &label, bool &value)
{
auto label_utf8 = into_u8(label);
return ImGui::Checkbox(label_utf8.c_str(), &value);
}
bool ImGuiWrapper::bbl_checkbox(const wxString &label, bool &value)
{
bool result;
bool b_value = value;
if (b_value) {
ImGui::PushStyleColor(ImGuiCol_FrameBg, ImVec4(0.00f, 0.68f, 0.26f, 1.00f));
ImGui::PushStyleColor(ImGuiCol_FrameBgHovered, ImVec4(0.00f, 0.68f, 0.26f, 1.00f));
ImGui::PushStyleColor(ImGuiCol_FrameBgActive, ImVec4(0.00f, 0.68f, 0.26f, 1.00f));
}
auto label_utf8 = into_u8(label);
result = ImGui::BBLCheckbox(label_utf8.c_str(), &value);
if (b_value) { ImGui::PopStyleColor(3);}
return result;
}
bool ImGuiWrapper::bbl_radio_button(const char *label, bool active)
{
bool result;
bool b_value = active;
if (b_value) {
ImGui::PushStyleColor(ImGuiCol_FrameBg, ImVec4(0.00f, 0.68f, 0.26f, 1.00f));
ImGui::PushStyleColor(ImGuiCol_FrameBgHovered, ImVec4(0.00f, 0.68f, 0.26f, 1.00f));
ImGui::PushStyleColor(ImGuiCol_FrameBgActive, ImVec4(0.00f, 0.68f, 0.26f, 1.00f));
}
result = ImGui::BBLRadioButton(label,active);
if (b_value) { ImGui::PopStyleColor(3); }
return result;
}
bool ImGuiWrapper::bbl_sliderin(const char *label, int *v, int v_min, int v_max, const char *format, ImGuiSliderFlags flags)
{
return ImGui::BBLSliderScalarIn(label, ImGuiDataType_S32, v, &v_min, &v_max, format, flags);
}
void ImGuiWrapper::text(const char *label)
{
ImGui::Text("%s", label);
}
void ImGuiWrapper::text(const std::string &label)
{
this->text(label.c_str());
}
void ImGuiWrapper::text(const wxString &label)
{
auto label_utf8 = into_u8(label);
this->text(label_utf8.c_str());
}
void ImGuiWrapper::text_colored(const ImVec4& color, const char* label)
{
ImGui::TextColored(color, "%s", label);
}
void ImGuiWrapper::text_colored(const ImVec4& color, const std::string& label)
{
this->text_colored(color, label.c_str());
}
void ImGuiWrapper::text_colored(const ImVec4& color, const wxString& label)
{
auto label_utf8 = into_u8(label);
this->text_colored(color, label_utf8.c_str());
}
void ImGuiWrapper::text_wrapped(const char *label, float wrap_width)
{
ImGui::PushTextWrapPos(ImGui::GetCursorPos().x + wrap_width);
this->text(label);
ImGui::PopTextWrapPos();
}
void ImGuiWrapper::text_wrapped(const std::string &label, float wrap_width)
{
this->text_wrapped(label.c_str(), wrap_width);
}
void ImGuiWrapper::text_wrapped(const wxString &label, float wrap_width)
{
auto label_utf8 = into_u8(label);
this->text_wrapped(label_utf8.c_str(), wrap_width);
}
void ImGuiWrapper::tooltip(const char *label, float wrap_width)
{
ImGui::BeginTooltip();
ImGui::PushTextWrapPos(wrap_width);
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.00f, 1.00f, 1.00f, 1.00f));
ImGui::TextUnformatted(label);
ImGui::PopStyleColor(1);
ImGui::PopTextWrapPos();
ImGui::EndTooltip();
}
void ImGuiWrapper::tooltip(const wxString &label, float wrap_width)
{
ImGui::BeginTooltip();
ImGui::PushTextWrapPos(wrap_width);
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.00f, 1.00f, 1.00f, 1.00f));
ImGui::TextUnformatted(label.ToUTF8().data());
ImGui::PopStyleColor(1);
ImGui::PopTextWrapPos();
ImGui::EndTooltip();
}
#if ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
ImVec2 ImGuiWrapper::get_slider_icon_size() const
{
return this->calc_button_size(std::wstring(&ImGui::SliderFloatEditBtnIcon, 1));
}
bool ImGuiWrapper::slider_float(const char* label, float* v, float v_min, float v_max, const char* format/* = "%.3f"*/, float power/* = 1.0f*/, bool clamp /*= true*/, const wxString& tooltip /*= ""*/, bool show_edit_btn /*= true*/)
{
const float max_tooltip_width = ImGui::GetFontSize() * 20.0f;
// let the label string start with "##" to hide the automatic label from ImGui::SliderFloat()
bool label_visible = !boost::algorithm::istarts_with(label, "##");
std::string str_label = label_visible ? std::string("##") + std::string(label) : std::string(label);
// removes 2nd evenience of "##", if present
std::string::size_type pos = str_label.find("##", 2);
if (pos != std::string::npos)
str_label = str_label.substr(0, pos) + str_label.substr(pos + 2);
bool ret = ImGui::SliderFloat(str_label.c_str(), v, v_min, v_max, format, power);
m_last_slider_status.hovered = ImGui::IsItemHovered();
m_last_slider_status.edited = ImGui::IsItemEdited();
m_last_slider_status.clicked = ImGui::IsItemClicked();
m_last_slider_status.deactivated_after_edit = ImGui::IsItemDeactivatedAfterEdit();
if (!tooltip.empty() && ImGui::IsItemHovered())
this->tooltip(into_u8(tooltip).c_str(), max_tooltip_width);
if (clamp)
*v = std::clamp(*v, v_min, v_max);
const ImGuiStyle& style = ImGui::GetStyle();
if (show_edit_btn) {
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, { 1, style.ItemSpacing.y });
ImGui::SameLine();
std::wstring btn_name = ImGui::SliderFloatEditBtnIcon + boost::nowide::widen(str_label);
ImGui::PushStyleColor(ImGuiCol_Button, { 0.25f, 0.25f, 0.25f, 0.0f });
ImGui::PushStyleColor(ImGuiCol_ButtonHovered, { 0.5f, 0.5f, 0.5f, 1.0f });
ImGui::PushStyleColor(ImGuiCol_ButtonActive, { 0.5f, 0.5f, 0.5f, 1.0f });
if (ImGui::Button(into_u8(btn_name).c_str())) {
ImGui::SetKeyboardFocusHere(-1);
this->set_requires_extra_frame();
}
ImGui::PopStyleColor(3);
if (ImGui::IsItemHovered())
this->tooltip(into_u8(_L("Edit")).c_str(), max_tooltip_width);
ImGui::PopStyleVar();
}
if (label_visible) {
// if the label is visible, hide the part of it that should be hidden
std::string out_label = std::string(label);
std::string::size_type pos = out_label.find("##");
if (pos != std::string::npos)
out_label = out_label.substr(0, pos);
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, { 1, style.ItemSpacing.y });
ImGui::SameLine();
this->text(out_label.c_str());
ImGui::PopStyleVar();
}
return ret;
}
bool ImGuiWrapper::slider_float(const std::string& label, float* v, float v_min, float v_max, const char* format/* = "%.3f"*/, float power/* = 1.0f*/, bool clamp /*= true*/, const wxString& tooltip /*= ""*/, bool show_edit_btn /*= true*/)
{
return this->slider_float(label.c_str(), v, v_min, v_max, format, power, clamp, tooltip, show_edit_btn);
}
bool ImGuiWrapper::slider_float(const wxString& label, float* v, float v_min, float v_max, const char* format/* = "%.3f"*/, float power/* = 1.0f*/, bool clamp /*= true*/, const wxString& tooltip /*= ""*/, bool show_edit_btn /*= true*/)
{
auto label_utf8 = into_u8(label);
return this->slider_float(label_utf8.c_str(), v, v_min, v_max, format, power, clamp, tooltip, show_edit_btn);
}
#else
bool ImGuiWrapper::slider_float(const char* label, float* v, float v_min, float v_max, const char* format/* = "%.3f"*/, float power/* = 1.0f*/, bool clamp /*= true*/)
{
bool ret = ImGui::SliderFloat(label, v, v_min, v_max, format, power);
if (clamp)
*v = std::clamp(*v, v_min, v_max);
return ret;
}
bool ImGuiWrapper::slider_float(const std::string& label, float* v, float v_min, float v_max, const char* format/* = "%.3f"*/, float power/* = 1.0f*/, bool clamp /*= true*/)
{
return this->slider_float(label.c_str(), v, v_min, v_max, format, power, clamp);
}
bool ImGuiWrapper::slider_float(const wxString& label, float* v, float v_min, float v_max, const char* format/* = "%.3f"*/, float power/* = 1.0f*/, bool clamp /*= true*/)
{
auto label_utf8 = into_u8(label);
return this->slider_float(label_utf8.c_str(), v, v_min, v_max, format, power, clamp);
}
#endif // ENABLE_ENHANCED_IMGUI_SLIDER_FLOAT
bool ImGuiWrapper::combo(const wxString& label, const std::vector<std::string>& options, int& selection)
{
// this is to force the label to the left of the widget:
text(label);
ImGui::SameLine();
int selection_out = selection;
bool res = false;
const char *selection_str = selection < int(options.size()) && selection >= 0 ? options[selection].c_str() : "";
if (ImGui::BeginCombo("", selection_str)) {
for (int i = 0; i < (int)options.size(); i++) {
if (ImGui::Selectable(options[i].c_str(), i == selection)) {
selection_out = i;
}
}
ImGui::EndCombo();
res = true;
}
selection = selection_out;
return res;
}
// Scroll up for one item
static void scroll_up()
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
float item_size_y = window->DC.PrevLineSize.y + g.Style.ItemSpacing.y;
float win_top = window->Scroll.y;
ImGui::SetScrollY(win_top - item_size_y);
}
// Scroll down for one item
static void scroll_down()
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
float item_size_y = window->DC.PrevLineSize.y + g.Style.ItemSpacing.y;
float win_top = window->Scroll.y;
ImGui::SetScrollY(win_top + item_size_y);
}
static void process_mouse_wheel(int& mouse_wheel)
{
if (mouse_wheel > 0)
scroll_up();
else if (mouse_wheel < 0)
scroll_down();
mouse_wheel = 0;
}
bool ImGuiWrapper::undo_redo_list(const ImVec2& size, const bool is_undo, bool (*items_getter)(const bool , int , const char**), int& hovered, int& selected, int& mouse_wheel)
{
bool is_hovered = false;
ImGui::ListBoxHeader("", size);
int i=0;
const char* item_text;
while (items_getter(is_undo, i, &item_text)) {
ImGui::Selectable(item_text, i < hovered);
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("%s", item_text);
hovered = i;
is_hovered = true;
}
if (ImGui::IsItemClicked())
selected = i;
i++;
}
if (is_hovered)
process_mouse_wheel(mouse_wheel);
ImGui::ListBoxFooter();
return is_hovered;
}
// It's a copy of IMGui::Selactable function.
// But a little beat modified to change a label text.
// If item is hovered we should use another color for highlighted letters.
// To do that we push a ColorMarkerHovered symbol at the very beginning of the label
// This symbol will be used to a color selection for the highlighted letters.
// see imgui_draw.cpp, void ImFont::RenderText()
static bool selectable(const char* label, bool selected, ImGuiSelectableFlags flags = 0, const ImVec2& size_arg = ImVec2(0, 0))
{
ImGuiWindow* window = ImGui::GetCurrentWindow();
if (window->SkipItems)
return false;
ImGuiContext& g = *GImGui;
const ImGuiStyle& style = g.Style;
// Submit label or explicit size to ItemSize(), whereas ItemAdd() will submit a larger/spanning rectangle.
ImGuiID id = window->GetID(label);
ImVec2 label_size = ImGui::CalcTextSize(label, NULL, true);
ImVec2 size(size_arg.x != 0.0f ? size_arg.x : label_size.x, size_arg.y != 0.0f ? size_arg.y : label_size.y);
ImVec2 pos = window->DC.CursorPos;
pos.y += window->DC.CurrLineTextBaseOffset;
ImGui::ItemSize(size, 0.0f);
// Fill horizontal space
// We don't support (size < 0.0f) in Selectable() because the ItemSpacing extension would make explicitly right-aligned sizes not visibly match other widgets.
const bool span_all_columns = (flags & ImGuiSelectableFlags_SpanAllColumns) != 0;
const float min_x = span_all_columns ? window->ParentWorkRect.Min.x : pos.x;
const float max_x = span_all_columns ? window->ParentWorkRect.Max.x : window->WorkRect.Max.x;
if (size_arg.x == 0.0f || (flags & ImGuiSelectableFlags_SpanAvailWidth))
size.x = ImMax(label_size.x, max_x - min_x);
// Text stays at the submission position, but bounding box may be extended on both sides
const ImVec2 text_min = pos;
const ImVec2 text_max(min_x + size.x, pos.y + size.y);
// Selectables are meant to be tightly packed together with no click-gap, so we extend their box to cover spacing between selectable.
ImRect bb(min_x, pos.y, text_max.x, text_max.y);
if ((flags & ImGuiSelectableFlags_NoPadWithHalfSpacing) == 0)
{
const float spacing_x = span_all_columns ? 0.0f : style.ItemSpacing.x;
const float spacing_y = style.ItemSpacing.y;
const float spacing_L = IM_FLOOR(spacing_x * 0.50f);
const float spacing_U = IM_FLOOR(spacing_y * 0.50f);
bb.Min.x -= spacing_L;
bb.Min.y -= spacing_U;
bb.Max.x += (spacing_x - spacing_L);
bb.Max.y += (spacing_y - spacing_U);
}
//if (g.IO.KeyCtrl) { GetForegroundDrawList()->AddRect(bb.Min, bb.Max, IM_COL32(0, 255, 0, 255)); }
// Modify ClipRect for the ItemAdd(), faster than doing a PushColumnsBackground/PushTableBackground for every Selectable..
const float backup_clip_rect_min_x = window->ClipRect.Min.x;
const float backup_clip_rect_max_x = window->ClipRect.Max.x;
if (span_all_columns)
{
window->ClipRect.Min.x = window->ParentWorkRect.Min.x;
window->ClipRect.Max.x = window->ParentWorkRect.Max.x;
}
bool item_add;
if (flags & ImGuiSelectableFlags_Disabled)
{
ImGuiItemFlags backup_item_flags = g.CurrentItemFlags;
g.CurrentItemFlags |= ImGuiItemFlags_Disabled | ImGuiItemFlags_NoNavDefaultFocus;
item_add = ImGui::ItemAdd(bb, id);
g.CurrentItemFlags = backup_item_flags;
}
else
{
item_add = ImGui::ItemAdd(bb, id);
}
if (span_all_columns)
{
window->ClipRect.Min.x = backup_clip_rect_min_x;
window->ClipRect.Max.x = backup_clip_rect_max_x;
}
if (!item_add)
return false;
// FIXME: We can standardize the behavior of those two, we could also keep the fast path of override ClipRect + full push on render only,
// which would be advantageous since most selectable are not selected.
if (span_all_columns && window->DC.CurrentColumns)
ImGui::PushColumnsBackground();
else if (span_all_columns && g.CurrentTable)
ImGui::TablePushBackgroundChannel();
// We use NoHoldingActiveID on menus so user can click and _hold_ on a menu then drag to browse child entries
ImGuiButtonFlags button_flags = 0;
if (flags & ImGuiSelectableFlags_NoHoldingActiveID) { button_flags |= ImGuiButtonFlags_NoHoldingActiveId; }
if (flags & ImGuiSelectableFlags_SelectOnClick) { button_flags |= ImGuiButtonFlags_PressedOnClick; }
if (flags & ImGuiSelectableFlags_SelectOnRelease) { button_flags |= ImGuiButtonFlags_PressedOnRelease; }
if (flags & ImGuiSelectableFlags_Disabled) { button_flags |= ImGuiButtonFlags_Disabled; }
if (flags & ImGuiSelectableFlags_AllowDoubleClick) { button_flags |= ImGuiButtonFlags_PressedOnClickRelease | ImGuiButtonFlags_PressedOnDoubleClick; }
if (flags & ImGuiSelectableFlags_AllowItemOverlap) { button_flags |= ImGuiButtonFlags_AllowItemOverlap; }
if (flags & ImGuiSelectableFlags_Disabled)
selected = false;
const bool was_selected = selected;
bool hovered, held;
bool pressed = ImGui::ButtonBehavior(bb, id, &hovered, &held, button_flags);
// Update NavId when clicking or when Hovering (this doesn't happen on most widgets), so navigation can be resumed with gamepad/keyboard
if (pressed || (hovered && (flags & ImGuiSelectableFlags_SetNavIdOnHover)))
{
if (!g.NavDisableMouseHover && g.NavWindow == window && g.NavLayer == window->DC.NavLayerCurrent)
{
ImGui::SetNavID(id, window->DC.NavLayerCurrent, window->DC.NavFocusScopeIdCurrent, ImRect(bb.Min - window->Pos, bb.Max - window->Pos));
g.NavDisableHighlight = true;
}
}
if (pressed)
ImGui::MarkItemEdited(id);
if (flags & ImGuiSelectableFlags_AllowItemOverlap)
ImGui::SetItemAllowOverlap();
// In this branch, Selectable() cannot toggle the selection so this will never trigger.
if (selected != was_selected) //-V547
window->DC.LastItemStatusFlags |= ImGuiItemStatusFlags_ToggledSelection;
// Render
if (held && (flags & ImGuiSelectableFlags_DrawHoveredWhenHeld))
hovered = true;
if (hovered || selected)
{
const ImU32 col = ImGui::GetColorU32((held && hovered) ? ImGuiCol_HeaderActive : hovered ? ImGuiCol_HeaderHovered : ImGuiCol_Header);
ImGui::RenderFrame(bb.Min, bb.Max, col, false, 0.0f);
ImGui::RenderNavHighlight(bb, id, ImGuiNavHighlightFlags_TypeThin | ImGuiNavHighlightFlags_NoRounding);
}
if (span_all_columns && window->DC.CurrentColumns)
ImGui::PopColumnsBackground();
else if (span_all_columns && g.CurrentTable)
ImGui::TablePopBackgroundChannel();
// mark a label with a ColorMarkerHovered, if item is hovered
char marked_label[512]; //255 symbols is not enough for translated string (e.t. to Russian)
if (hovered || selected) {
sprintf(marked_label, "%c%s", ImGui::ColorMarkerHovered, label);
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
}
else
strcpy(marked_label, label);
if (flags & ImGuiSelectableFlags_Disabled) ImGui::PushStyleColor(ImGuiCol_Text, style.Colors[ImGuiCol_TextDisabled]);
ImGui::RenderTextClipped(text_min, text_max, marked_label, NULL, &label_size, style.SelectableTextAlign, &bb);
if (flags & ImGuiSelectableFlags_Disabled) ImGui::PopStyleColor();
if (hovered || selected) ImGui::PopStyleColor();
// Automatically close popups
if (pressed && (window->Flags & ImGuiWindowFlags_Popup) && !(flags & ImGuiSelectableFlags_DontClosePopups) && !(g.CurrentItemFlags & ImGuiItemFlags_SelectableDontClosePopup))
ImGui::CloseCurrentPopup();
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.LastItemStatusFlags);
return pressed;
}
bool begin_menu(const char *label, bool enabled)
{
ImGuiWindow *window = ImGui::GetCurrentWindow();
if (window->SkipItems) return false;
ImGuiContext & g = *GImGui;
const ImGuiStyle &style = g.Style;
const ImGuiID id = window->GetID(label);
bool menu_is_open = ImGui::IsPopupOpen(id, ImGuiPopupFlags_None);
// Sub-menus are ChildWindow so that mouse can be hovering across them (otherwise top-most popup menu would steal focus and not allow hovering on parent menu)
ImGuiWindowFlags flags = ImGuiWindowFlags_ChildMenu | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoNavFocus;
if (window->Flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_ChildMenu)) flags |= ImGuiWindowFlags_ChildWindow;
// If a menu with same the ID was already submitted, we will append to it, matching the behavior of Begin().
// We are relying on a O(N) search - so O(N log N) over the frame - which seems like the most efficient for the expected small amount of BeginMenu() calls per frame.
// If somehow this is ever becoming a problem we can switch to use e.g. ImGuiStorage mapping key to last frame used.
if (g.MenusIdSubmittedThisFrame.contains(id)) {
if (menu_is_open)
menu_is_open = ImGui::BeginPopupEx(id, flags); // menu_is_open can be 'false' when the popup is completely clipped (e.g. zero size display)
else
g.NextWindowData.ClearFlags(); // we behave like Begin() and need to consume those values
return menu_is_open;
}
// Tag menu as used. Next time BeginMenu() with same ID is called it will append to existing menu
g.MenusIdSubmittedThisFrame.push_back(id);
ImVec2 label_size = ImGui::CalcTextSize(label, NULL, true);
bool pressed;
bool menuset_is_open = !(window->Flags & ImGuiWindowFlags_Popup) &&
(g.OpenPopupStack.Size > g.BeginPopupStack.Size && g.OpenPopupStack[g.BeginPopupStack.Size].OpenParentId == window->IDStack.back());
ImGuiWindow *backed_nav_window = g.NavWindow;
if (menuset_is_open) g.NavWindow = window; // Odd hack to allow hovering across menus of a same menu-set (otherwise we wouldn't be able to hover parent)
// The reference position stored in popup_pos will be used by Begin() to find a suitable position for the child menu,
// However the final position is going to be different! It is chosen by FindBestWindowPosForPopup().
// e.g. Menus tend to overlap each other horizontally to amplify relative Z-ordering.
ImVec2 popup_pos, pos = window->DC.CursorPos;
if (window->DC.LayoutType == ImGuiLayoutType_Horizontal) {
// Menu inside an horizontal menu bar
// Selectable extend their highlight by half ItemSpacing in each direction.
// For ChildMenu, the popup position will be overwritten by the call to FindBestWindowPosForPopup() in Begin()
popup_pos = ImVec2(pos.x - 1.0f - IM_FLOOR(style.ItemSpacing.x * 0.5f), pos.y - style.FramePadding.y + window->MenuBarHeight());
window->DC.CursorPos.x += IM_FLOOR(style.ItemSpacing.x * 0.5f);
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(style.ItemSpacing.x * 2.0f, style.ItemSpacing.y));
float w = label_size.x;
pressed = selectable(label, menu_is_open,
ImGuiSelectableFlags_NoHoldingActiveID | ImGuiSelectableFlags_SelectOnClick | ImGuiSelectableFlags_DontClosePopups |
(!enabled ? ImGuiSelectableFlags_Disabled : 0),
ImVec2(w, 0.0f));
ImGui::PopStyleVar();
window->DC.CursorPos.x += IM_FLOOR(
style.ItemSpacing.x *
(-1.0f +
0.5f)); // -1 spacing to compensate the spacing added when Selectable() did a SameLine(). It would also work to call SameLine() ourselves after the PopStyleVar().
} else {
// Menu inside a menu
// (In a typical menu window where all items are BeginMenu() or MenuItem() calls, extra_w will always be 0.0f.
// Only when they are other items sticking out we're going to add spacing, yet only register minimum width into the layout system.
popup_pos = ImVec2(pos.x, pos.y - style.WindowPadding.y);
float min_w = window->DC.MenuColumns.DeclColumns(label_size.x, 0.0f, IM_FLOOR(g.FontSize * 1.20f)); // Feedback to next frame
float extra_w = ImMax(0.0f, ImGui::GetContentRegionAvail().x - min_w);
pressed = selectable(label, menu_is_open,
ImGuiSelectableFlags_NoHoldingActiveID | ImGuiSelectableFlags_SelectOnClick | ImGuiSelectableFlags_DontClosePopups |
ImGuiSelectableFlags_SpanAvailWidth | (!enabled ? ImGuiSelectableFlags_Disabled : 0),
ImVec2(min_w, 0.0f));
ImU32 text_col = ImGui::GetColorU32(enabled ? ImGuiCol_Text : ImGuiCol_TextDisabled);
ImGui::RenderArrow(window->DrawList, pos + ImVec2(window->DC.MenuColumns.Pos[2] + extra_w + g.FontSize * 0.30f, 0.0f), text_col, ImGuiDir_Right);
}
const bool hovered = enabled && ImGui::ItemHoverable(window->DC.LastItemRect, id);
if (menuset_is_open) g.NavWindow = backed_nav_window;
bool want_open = false;
bool want_close = false;
if (window->DC.LayoutType == ImGuiLayoutType_Vertical) // (window->Flags & (ImGuiWindowFlags_Popup|ImGuiWindowFlags_ChildMenu))
{
// Close menu when not hovering it anymore unless we are moving roughly in the direction of the menu
// Implement http://bjk5.com/post/44698559168/breaking-down-amazons-mega-dropdown to avoid using timers, so menus feels more reactive.
bool moving_toward_other_child_menu = false;
ImGuiWindow *child_menu_window = (g.BeginPopupStack.Size < g.OpenPopupStack.Size && g.OpenPopupStack[g.BeginPopupStack.Size].SourceWindow == window) ?
g.OpenPopupStack[g.BeginPopupStack.Size].Window :
NULL;
if (g.HoveredWindow == window && child_menu_window != NULL && !(window->Flags & ImGuiWindowFlags_MenuBar)) {
// FIXME-DPI: Values should be derived from a master "scale" factor.
ImRect next_window_rect = child_menu_window->Rect();
ImVec2 ta = g.IO.MousePos - g.IO.MouseDelta;
ImVec2 tb = (window->Pos.x < child_menu_window->Pos.x) ? next_window_rect.GetTL() : next_window_rect.GetTR();
ImVec2 tc = (window->Pos.x < child_menu_window->Pos.x) ? next_window_rect.GetBL() : next_window_rect.GetBR();
float extra = ImClamp(ImFabs(ta.x - tb.x) * 0.30f, 5.0f, 30.0f); // add a bit of extra slack.
ta.x += (window->Pos.x < child_menu_window->Pos.x) ? -0.5f : +0.5f; // to avoid numerical issues
tb.y = ta.y +
ImMax((tb.y - extra) - ta.y, -100.0f); // triangle is maximum 200 high to limit the slope and the bias toward large sub-menus // FIXME: Multiply by fb_scale?
tc.y = ta.y + ImMin((tc.y + extra) - ta.y, +100.0f);
moving_toward_other_child_menu = ImTriangleContainsPoint(ta, tb, tc, g.IO.MousePos);
// GetForegroundDrawList()->AddTriangleFilled(ta, tb, tc, moving_within_opened_triangle ? IM_COL32(0,128,0,128) : IM_COL32(128,0,0,128)); // [DEBUG]
}
if (menu_is_open && !hovered && g.HoveredWindow == window && g.HoveredIdPreviousFrame != 0 && g.HoveredIdPreviousFrame != id && !moving_toward_other_child_menu)
want_close = true;
if (!menu_is_open && hovered && pressed) // Click to open
want_open = true;
else if (!menu_is_open && hovered && !moving_toward_other_child_menu) // Hover to open
want_open = true;
if (g.NavActivateId == id) {
want_close = menu_is_open;
want_open = !menu_is_open;
}
if (g.NavId == id && g.NavMoveRequest && g.NavMoveDir == ImGuiDir_Right) // Nav-Right to open
{
want_open = true;
ImGui::NavMoveRequestCancel();
}
} else {
// Menu bar
if (menu_is_open && pressed && menuset_is_open) // Click an open menu again to close it
{
want_close = true;
want_open = menu_is_open = false;
} else if (pressed || (hovered && menuset_is_open && !menu_is_open)) // First click to open, then hover to open others
{
want_open = true;
} else if (g.NavId == id && g.NavMoveRequest && g.NavMoveDir == ImGuiDir_Down) // Nav-Down to open
{
want_open = true;
ImGui::NavMoveRequestCancel();
}
}
if (!enabled) // explicitly close if an open menu becomes disabled, facilitate users code a lot in pattern such as 'if (BeginMenu("options", has_object)) { ..use object.. }'
want_close = true;
if (want_close && ImGui::IsPopupOpen(id, ImGuiPopupFlags_None)) ImGui::ClosePopupToLevel(g.BeginPopupStack.Size, true);
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.LastItemStatusFlags | ImGuiItemStatusFlags_Openable | (menu_is_open ? ImGuiItemStatusFlags_Opened : 0));
if (!menu_is_open && want_open && g.OpenPopupStack.Size > g.BeginPopupStack.Size) {
// Don't recycle same menu level in the same frame, first close the other menu and yield for a frame.
ImGui::OpenPopup(label);
return false;
}
menu_is_open |= want_open;
if (want_open) ImGui::OpenPopup(label);
if (menu_is_open) {
ImGui::SetNextWindowPos(popup_pos,
ImGuiCond_Always); // Note: this is super misleading! The value will serve as reference for FindBestWindowPosForPopup(), not actual pos.
menu_is_open = ImGui::BeginPopupEx(id, flags); // menu_is_open can be 'false' when the popup is completely clipped (e.g. zero size display)
} else {
g.NextWindowData.ClearFlags(); // We behave like Begin() and need to consume those values
}
return menu_is_open;
}
void end_menu()
{
ImGui::EndMenu();
}
bool menu_item_with_icon(const char *label, const char *shortcut, ImVec2 icon_size /* = ImVec2(0, 0)*/, ImU32 icon_color /* = 0*/, bool selected /* = false*/, bool enabled /* = true*/)
{
ImGuiWindow *window = ImGui::GetCurrentWindow();
if (window->SkipItems) return false;
ImGuiContext &g = *GImGui;
ImGuiStyle & style = g.Style;
ImVec2 pos = window->DC.CursorPos;
ImVec2 label_size = ImGui::CalcTextSize(label, NULL, true);
// We've been using the equivalent of ImGuiSelectableFlags_SetNavIdOnHover on all Selectable() since early Nav system days (commit 43ee5d73),
// but I am unsure whether this should be kept at all. For now moved it to be an opt-in feature used by menus only.
ImGuiSelectableFlags flags = ImGuiSelectableFlags_SelectOnRelease | ImGuiSelectableFlags_SetNavIdOnHover | (enabled ? 0 : ImGuiSelectableFlags_Disabled);
bool pressed;
if (window->DC.LayoutType == ImGuiLayoutType_Horizontal) {
// Mimic the exact layout spacing of BeginMenu() to allow MenuItem() inside a menu bar, which is a little misleading but may be useful
// Note that in this situation: we don't render the shortcut, we render a highlight instead of the selected tick mark.
float w = label_size.x;
window->DC.CursorPos.x += IM_FLOOR(style.ItemSpacing.x * 0.5f);
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(style.ItemSpacing.x * 2.0f, style.ItemSpacing.y));
pressed = ImGui::Selectable(label, selected, flags, ImVec2(w, 0.0f));
ImGui::PopStyleVar();
window->DC.CursorPos.x += IM_FLOOR(
style.ItemSpacing.x *
(-1.0f +
0.5f)); // -1 spacing to compensate the spacing added when Selectable() did a SameLine(). It would also work to call SameLine() ourselves after the PopStyleVar().
} else {
// Menu item inside a vertical menu
// (In a typical menu window where all items are BeginMenu() or MenuItem() calls, extra_w will always be 0.0f.
// Only when they are other items sticking out we're going to add spacing, yet only register minimum width into the layout system.
float shortcut_w = shortcut ? ImGui::CalcTextSize(shortcut, NULL).x : 0.0f;
float min_w = window->DC.MenuColumns.DeclColumns(label_size.x, shortcut_w, IM_FLOOR(g.FontSize * 1.20f)); // Feedback for next frame
float extra_w = std::max(0.0f, ImGui::GetContentRegionAvail().x - min_w);
pressed = selectable(label, false, flags | ImGuiSelectableFlags_SpanAvailWidth, ImVec2(min_w, 0.0f));
if (icon_size.x != 0 && icon_size.y != 0) {
float selectable_pos_y = pos.y + -0.5f * style.ItemSpacing.y;
float icon_pos_y = selectable_pos_y + (label_size.y + style.ItemSpacing.y - icon_size.y) / 2;
float icon_pos_x = pos.x + window->DC.MenuColumns.Pos[2] + extra_w + g.FontSize * 0.40f;
ImVec2 icon_pos = ImVec2(icon_pos_x, icon_pos_y);
ImGui::RenderFrame(icon_pos, icon_pos + icon_size, icon_color);
}
if (shortcut_w > 0.0f) {
ImGui::PushStyleColor(ImGuiCol_Text, g.Style.Colors[ImGuiCol_TextDisabled]);
ImGui::RenderText(pos + ImVec2(window->DC.MenuColumns.Pos[1] + extra_w, 0.0f), shortcut, NULL, false);
ImGui::PopStyleColor();
}
if (selected) {
//ImGui::RenderCheckMark(window->DrawList, pos + ImVec2(window->DC.MenuColumns.Pos[2] + extra_w + g.FontSize * 0.40f, g.FontSize * 0.134f * 0.5f),
// ImGui::GetColorU32(enabled ? ImGuiCol_Text : ImGuiCol_TextDisabled), g.FontSize * 0.866f);
}
}
IMGUI_TEST_ENGINE_ITEM_INFO(window->DC.LastItemId, label, window->DC.LastItemStatusFlags | ImGuiItemStatusFlags_Checkable | (selected ? ImGuiItemStatusFlags_Checked : 0));
return pressed;
}
// Scroll so that the hovered item is at the top of the window
static void scroll_y(int hover_id)
{
if (hover_id < 0)
return;
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
float item_size_y = window->DC.PrevLineSize.y + g.Style.ItemSpacing.y;
float item_delta = 0.5 * item_size_y;
float item_top = item_size_y * hover_id;
float item_bottom = item_top + item_size_y;
float win_top = window->Scroll.y;
float win_bottom = window->Scroll.y + window->Size.y;
if (item_bottom + item_delta >= win_bottom)
ImGui::SetScrollY(win_top + item_size_y);
else if (item_top - item_delta <= win_top)
ImGui::SetScrollY(win_top - item_size_y);
}
// Use this function instead of ImGui::IsKeyPressed.
// ImGui::IsKeyPressed is related for *GImGui.IO.KeysDownDuration[user_key_index]
// And after first key pressing IsKeyPressed() return "true" always even if key wasn't pressed
static void process_key_down(ImGuiKey imgui_key, std::function<void()> f)
{
if (ImGui::IsKeyDown(ImGui::GetKeyIndex(imgui_key)))
{
f();
// set KeysDown to false to avoid redundant key down processing
ImGuiContext& g = *GImGui;
g.IO.KeysDown[ImGui::GetKeyIndex(imgui_key)] = false;
}
}
void ImGuiWrapper::search_list(const ImVec2& size_, bool (*items_getter)(int, const char** label, const char** tooltip), char* search_str,
Search::OptionViewParameters& view_params, int& selected, bool& edited, int& mouse_wheel, bool is_localized)
{
int& hovered_id = view_params.hovered_id;
// ImGui::ListBoxHeader("", size);
{
// rewrote part of function to add a TextInput instead of label Text
ImGuiContext& g = *GImGui;
ImGuiWindow* window = ImGui::GetCurrentWindow();
if (window->SkipItems)
return ;
const ImGuiStyle& style = g.Style;
// Size default to hold ~7 items. Fractional number of items helps seeing that we can scroll down/up without looking at scrollbar.
ImVec2 size = ImGui::CalcItemSize(size_, ImGui::CalcItemWidth(), ImGui::GetTextLineHeightWithSpacing() * 7.4f + style.ItemSpacing.y);
ImRect frame_bb(window->DC.CursorPos, ImVec2(window->DC.CursorPos.x + size.x, window->DC.CursorPos.y + size.y));
ImRect bb(frame_bb.Min, frame_bb.Max);
window->DC.LastItemRect = bb; // Forward storage for ListBoxFooter.. dodgy.
g.NextItemData.ClearFlags();
if (!ImGui::IsRectVisible(bb.Min, bb.Max))
{
ImGui::ItemSize(bb.GetSize(), style.FramePadding.y);
ImGui::ItemAdd(bb, 0, &frame_bb);
return ;
}
ImGui::BeginGroup();
const ImGuiID id = ImGui::GetID(search_str);
ImVec2 search_size = ImVec2(size.x, ImGui::GetTextLineHeightWithSpacing() + style.ItemSpacing.y);
if (!ImGui::IsAnyItemFocused() && !ImGui::IsAnyItemActive() && !ImGui::IsMouseClicked(0))
ImGui::SetKeyboardFocusHere(0);
// The press on Esc key invokes editing of InputText (removes last changes)
// So we should save previous value...
std::string str = search_str;
ImGui::InputTextEx("", NULL, search_str, 40, search_size, ImGuiInputTextFlags_AutoSelectAll, NULL, NULL);
edited = ImGui::IsItemEdited();
if (edited)
hovered_id = 0;
process_key_down(ImGuiKey_Escape, [&selected, search_str, str]() {
// use 9999 to mark selection as a Esc key
selected = 9999;
// ... and when Esc key was pressed, than revert search_str value
strcpy(search_str, str.c_str());
});
ImGui::BeginChildFrame(id, frame_bb.GetSize());
}
int i = 0;
const char* item_text;
const char* tooltip;
int mouse_hovered = -1;
while (items_getter(i, &item_text, &tooltip))
{
selectable(item_text, i == hovered_id);
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("%s", /*item_text*/tooltip);
hovered_id = -1;
mouse_hovered = i;
}
if (ImGui::IsItemClicked())
selected = i;
i++;
}
// Process mouse wheel
if (mouse_hovered > 0)
process_mouse_wheel(mouse_wheel);
// process Up/DownArrows and Enter
process_key_down(ImGuiKey_UpArrow, [&hovered_id, mouse_hovered]() {
if (mouse_hovered > 0)
scroll_up();
else {
if (hovered_id > 0)
--hovered_id;
scroll_y(hovered_id);
}
});
process_key_down(ImGuiKey_DownArrow, [&hovered_id, mouse_hovered, i]() {
if (mouse_hovered > 0)
scroll_down();
else {
if (hovered_id < 0)
hovered_id = 0;
else if (hovered_id < i - 1)
++hovered_id;
scroll_y(hovered_id);
}
});
process_key_down(ImGuiKey_Enter, [&selected, hovered_id]() {
selected = hovered_id;
});
ImGui::ListBoxFooter();
auto check_box = [&edited, this](const wxString& label, bool& check) {
ImGui::SameLine();
bool ch = check;
checkbox(label, ch);
if (ImGui::IsItemClicked()) {
check = !check;
edited = true;
}
};
ImGui::AlignTextToFramePadding();
// add checkboxes for show/hide Categories and Groups
//text(_L("Use for search")+":");
//check_box(_L("Category"), view_params.category);
//if (is_localized)
// check_box(_L("Search in English"), view_params.english);
}
void ImGuiWrapper::bold_text(const std::string& str)
{
if (bold_font){
ImGui::PushFont(bold_font);
text(str);
ImGui::PopFont();
} else {
text(str);
}
}
void ImGuiWrapper::title(const std::string& str)
{
if (bold_font){
ImGui::PushFont(bold_font);
text(str);
ImGui::PopFont();
} else {
text(str);
}
ImGui::Separator();
}
void ImGuiWrapper::disabled_begin(bool disabled)
{
wxCHECK_RET(!m_disabled, "ImGUI: Unbalanced disabled_begin() call");
if (disabled) {
ImGui::PushItemFlag(ImGuiItemFlags_Disabled, true);
ImGui::PushStyleVar(ImGuiStyleVar_Alpha, ImGui::GetStyle().Alpha * 0.5f);
m_disabled = true;
}
}
void ImGuiWrapper::disabled_end()
{
if (m_disabled) {
ImGui::PopItemFlag();
ImGui::PopStyleVar();
m_disabled = false;
}
}
bool ImGuiWrapper::want_mouse() const
{
return ImGui::GetIO().WantCaptureMouse;
}
bool ImGuiWrapper::want_keyboard() const
{
return ImGui::GetIO().WantCaptureKeyboard;
}
bool ImGuiWrapper::want_text_input() const
{
return ImGui::GetIO().WantTextInput;
}
bool ImGuiWrapper::want_any_input() const
{
const auto io = ImGui::GetIO();
return io.WantCaptureMouse || io.WantCaptureKeyboard || io.WantTextInput;
}
#ifdef __APPLE__
static const ImWchar ranges_keyboard_shortcuts[] =
{
0x21E7, 0x21E7, // OSX Shift Key symbol
0x2318, 0x2318, // OSX Command Key symbol
0x2325, 0x2325, // OSX Option Key symbol
0,
};
#endif // __APPLE__
std::vector<unsigned char> ImGuiWrapper::load_svg(const std::string& bitmap_name, unsigned target_width, unsigned target_height)
{
std::vector<unsigned char> empty_vector;
NSVGimage* image = BitmapCache::nsvgParseFromFileWithReplace(Slic3r::var(bitmap_name + ".svg").c_str(), "px", 96.0f, { { "\"#808080\"", "\"#FFFFFF\"" } });
if (image == nullptr)
return empty_vector;
float svg_scale = target_height != 0 ?
(float)target_height / image->height : target_width != 0 ?
(float)target_width / image->width : 1;
int width = (int)(svg_scale * image->width + 0.5f);
int height = (int)(svg_scale * image->height + 0.5f);
int n_pixels = width * height;
if (n_pixels <= 0) {
::nsvgDelete(image);
return empty_vector;
}
NSVGrasterizer* rast = ::nsvgCreateRasterizer();
if (rast == nullptr) {
::nsvgDelete(image);
return empty_vector;
}
std::vector<unsigned char> data(n_pixels * 4, 0);
::nsvgRasterize(rast, image, 0, 0, svg_scale, data.data(), width, height, width * 4);
::nsvgDeleteRasterizer(rast);
::nsvgDelete(image);
return data;
}
//BBS
void ImGuiWrapper::push_toolbar_style(const float scale)
{
ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0f * scale);
ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(20.0f, 10.0f) * scale);
ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 3.0f * scale);
ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 2.0f * scale);
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(10.0f, 10.0f) * scale);
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(50/255.0f, 58/255.0f, 61/255.0f, 1.00f)); // 1
ImGui::PushStyleColor(ImGuiCol_WindowBg, ImGuiWrapper::COL_WINDOW_BG); // 2
ImGui::PushStyleColor(ImGuiCol_TitleBg, ImGuiWrapper::COL_TITLE_BG); // 3
ImGui::PushStyleColor(ImGuiCol_TitleBgActive, ImGuiWrapper::COL_TITLE_BG); // 4
ImGui::PushStyleColor(ImGuiCol_Separator, ImGuiWrapper::COL_SEPARATOR); // 5
ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(1.00f, 1.00f, 1.00f, 1.00f)); // 6
ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImGuiWrapper::COL_HOVER); // 7
ImGui::PushStyleColor(ImGuiCol_FrameBgHovered, ImVec4(238 / 255.0f, 238 / 255.0f, 238 / 255.0f, 1.00f)); // 8
ImGui::PushStyleColor(ImGuiCol_FrameBgActive, ImVec4(238/255.0f, 238/255.0f, 238/255.0f, 1.00f)); // 9
ImGui::PushStyleColor(ImGuiCol_FrameBg, ImVec4(238/255.0f, 238/255.0f, 238/255.0f, 0.00f)); // 10
ImGui::PushStyleColor(ImGuiCol_TextSelectedBg, COL_GREEN_LIGHT); // 11
ImGui::PushStyleColor(ImGuiCol_CheckMark, ImVec4(1.00f, 1.00f, 1.00f, 1.00f));//12
ImGui::PushStyleColor(ImGuiCol_ScrollbarGrab, ImVec4(0.42f, 0.42f, 0.42f, 1.00f));
ImGui::PushStyleColor(ImGuiCol_ScrollbarGrabHovered, ImVec4(0.93f, 0.93f, 0.93f, 1.00f));
ImGui::PushStyleColor(ImGuiCol_ScrollbarGrabActive, ImVec4(0.93f, 0.93f, 0.93f, 1.00f));
}
void ImGuiWrapper::pop_toolbar_style()
{
// size in push toolbar style
ImGui::PopStyleColor(15);
ImGui::PopStyleVar(6);
}
void ImGuiWrapper::push_menu_style(const float scale)
{
ImGuiWrapper::push_toolbar_style(scale);
ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(10.0f, 10.0f) * scale);
ImGui::PushStyleVar(ImGuiStyleVar_PopupRounding, 4.0f * scale);
ImGui::PushStyleVar(ImGuiStyleVar_PopupBorderSize, 0.0f);
ImGui::PushStyleColor(ImGuiCol_PopupBg, ImGuiWrapper::COL_WINDOW_BG);
ImGui::PushStyleColor(ImGuiCol_Header, ImVec4(0.00f, 0.68f, 0.26f, 1.0f));
ImGui::PushStyleColor(ImGuiCol_HeaderHovered, ImVec4(0.00f, 0.68f, 0.26f, 1.0f));
ImGui::PushStyleColor(ImGuiCol_HeaderActive, ImVec4(0.00f, 0.68f, 0.26f, 1.0f));
}
void ImGuiWrapper::pop_menu_style()
{
ImGui::PopStyleColor(4);
ImGui::PopStyleVar(3);
ImGuiWrapper::pop_toolbar_style();
}
void ImGuiWrapper::init_font(bool compress)
{
destroy_font();
ImGuiIO& io = ImGui::GetIO();
io.Fonts->Clear();
// Create ranges of characters from m_glyph_ranges, possibly adding some OS specific special characters.
ImVector<ImWchar> ranges;
ImFontAtlas::GlyphRangesBuilder builder;
builder.AddRanges(m_glyph_ranges);
#ifdef __APPLE__
if (m_font_cjk)
// Apple keyboard shortcuts are only contained in the CJK fonts.
builder.AddRanges(ranges_keyboard_shortcuts);
#endif
builder.BuildRanges(&ranges); // Build the final result (ordered ranges with all the unique characters submitted)
io.Fonts->Flags |= ImFontAtlasFlags_NoPowerOfTwoHeight;
ImFontConfig cfg = ImFontConfig();
cfg.OversampleH = cfg.OversampleV = 1;
//FIXME replace with io.Fonts->AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, m_font_size, nullptr, ranges.Data);
//https://github.com/ocornut/imgui/issues/220
ImFont* font = io.Fonts->AddFontFromFileTTF((Slic3r::resources_dir() + "/fonts/" + "HarmonyOS_Sans_SC_Regular.ttf").c_str(), m_font_size, &cfg, io.Fonts->GetGlyphRangesChineseSimplifiedCommon());
if (font == nullptr) {
font = io.Fonts->AddFontDefault();
if (font == nullptr) {
throw Slic3r::RuntimeError("ImGui: Could not load deafult font");
}
}
bold_font = io.Fonts->AddFontFromFileTTF((Slic3r::resources_dir() + "/fonts/" + "HarmonyOS_Sans_SC_Bold.ttf").c_str(), m_font_size, &cfg, io.Fonts->GetGlyphRangesChineseSimplifiedCommon());
if (bold_font == nullptr) {
bold_font = io.Fonts->AddFontDefault();
if (bold_font == nullptr) { throw Slic3r::RuntimeError("ImGui: Could not load deafult font"); }
}
#ifdef __APPLE__
ImFontConfig config;
config.MergeMode = true;
if (! m_font_cjk) {
// Apple keyboard shortcuts are only contained in the CJK fonts.
[[maybe_unused]]ImFont *font_cjk = io.Fonts->AddFontFromFileTTF((Slic3r::resources_dir() + "/fonts/HarmonyOS_Sans_SC_Regular.ttf").c_str(), m_font_size, &config, ranges_keyboard_shortcuts);
assert(font_cjk != nullptr);
}
#endif
float font_scale = m_font_size/15;
int icon_sz = lround(16 * font_scale); // default size of icon is 16 px
int rect_id = io.Fonts->CustomRects.Size; // id of the rectangle added next
// add rectangles for the icons to the font atlas
for (auto& icon : font_icons)
io.Fonts->AddCustomRectFontGlyph(font, icon.first, icon_sz, icon_sz, 3.0 * font_scale + icon_sz);
for (auto& icon : font_icons_large)
io.Fonts->AddCustomRectFontGlyph(font, icon.first, icon_sz * 2, icon_sz * 2, 3.0 * font_scale + icon_sz * 2);
for (auto& icon : font_icons_extra_large)
io.Fonts->AddCustomRectFontGlyph(font, icon.first, icon_sz * 4, icon_sz * 4, 3.0 * font_scale + icon_sz * 4);
// Build texture atlas
unsigned char* pixels;
int width, height;
io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); // Load as RGBA 32-bits (75% of the memory is wasted, but default font is so small) because it is more likely to be compatible with user's existing shaders. If your ImTextureId represent a higher-level concept than just a GL texture id, consider calling GetTexDataAsAlpha8() instead to save on GPU memory.
// Fill rectangles from the SVG-icons
for (auto icon : font_icons) {
if (const ImFontAtlas::CustomRect* rect = io.Fonts->GetCustomRectByIndex(rect_id)) {
assert(rect->Width == icon_sz);
assert(rect->Height == icon_sz);
std::vector<unsigned char> raw_data = load_svg(icon.second, icon_sz, icon_sz);
const ImU32* pIn = (ImU32*)raw_data.data();
for (int y = 0; y < icon_sz; y++) {
ImU32* pOut = (ImU32*)pixels + (rect->Y + y) * width + (rect->X);
for (int x = 0; x < icon_sz; x++)
*pOut++ = *pIn++;
}
}
rect_id++;
}
icon_sz *= 2; // default size of large icon is 32 px
for (auto icon : font_icons_large) {
if (const ImFontAtlas::CustomRect* rect = io.Fonts->GetCustomRectByIndex(rect_id)) {
assert(rect->Width == icon_sz);
assert(rect->Height == icon_sz);
std::vector<unsigned char> raw_data = load_svg(icon.second, icon_sz, icon_sz);
const ImU32* pIn = (ImU32*)raw_data.data();
for (int y = 0; y < icon_sz; y++) {
ImU32* pOut = (ImU32*)pixels + (rect->Y + y) * width + (rect->X);
for (int x = 0; x < icon_sz; x++)
*pOut++ = *pIn++;
}
}
rect_id++;
}
icon_sz *= 2; // default size of extra large icon is 64 px
for (auto icon : font_icons_extra_large) {
if (const ImFontAtlas::CustomRect* rect = io.Fonts->GetCustomRectByIndex(rect_id)) {
assert(rect->Width == icon_sz);
assert(rect->Height == icon_sz);
std::vector<unsigned char> raw_data = load_svg(icon.second, icon_sz, icon_sz);
const ImU32* pIn = (ImU32*)raw_data.data();
for (int y = 0; y < icon_sz; y++) {
ImU32* pOut = (ImU32*)pixels + (rect->Y + y) * width + (rect->X);
for (int x = 0; x < icon_sz; x++)
*pOut++ = *pIn++;
}
}
rect_id++;
}
// Upload texture to graphics system
GLint last_texture;
glsafe(::glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture));
glsafe(::glGenTextures(1, &m_font_texture));
glsafe(::glBindTexture(GL_TEXTURE_2D, m_font_texture));
glsafe(::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
glsafe(::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
glsafe(::glPixelStorei(GL_UNPACK_ROW_LENGTH, 0));
if (compress && GLEW_EXT_texture_compression_s3tc)
glsafe(::glTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels));
else
glsafe(::glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels));
// Store our identifier
io.Fonts->TexID = (ImTextureID)(intptr_t)m_font_texture;
// Restore state
glsafe(::glBindTexture(GL_TEXTURE_2D, last_texture));
}
void ImGuiWrapper::init_input()
{
ImGuiIO& io = ImGui::GetIO();
// Keyboard mapping. ImGui will use those indices to peek into the io.KeysDown[] array.
io.KeyMap[ImGuiKey_Tab] = WXK_TAB;
io.KeyMap[ImGuiKey_LeftArrow] = WXK_LEFT;
io.KeyMap[ImGuiKey_RightArrow] = WXK_RIGHT;
io.KeyMap[ImGuiKey_UpArrow] = WXK_UP;
io.KeyMap[ImGuiKey_DownArrow] = WXK_DOWN;
io.KeyMap[ImGuiKey_PageUp] = WXK_PAGEUP;
io.KeyMap[ImGuiKey_PageDown] = WXK_PAGEDOWN;
io.KeyMap[ImGuiKey_Home] = WXK_HOME;
io.KeyMap[ImGuiKey_End] = WXK_END;
io.KeyMap[ImGuiKey_Insert] = WXK_INSERT;
io.KeyMap[ImGuiKey_Delete] = WXK_DELETE;
io.KeyMap[ImGuiKey_Backspace] = WXK_BACK;
io.KeyMap[ImGuiKey_Space] = WXK_SPACE;
io.KeyMap[ImGuiKey_Enter] = WXK_RETURN;
io.KeyMap[ImGuiKey_KeyPadEnter] = WXK_NUMPAD_ENTER;
io.KeyMap[ImGuiKey_Escape] = WXK_ESCAPE;
io.KeyMap[ImGuiKey_A] = 'A';
io.KeyMap[ImGuiKey_C] = 'C';
io.KeyMap[ImGuiKey_V] = 'V';
io.KeyMap[ImGuiKey_X] = 'X';
io.KeyMap[ImGuiKey_Y] = 'Y';
io.KeyMap[ImGuiKey_Z] = 'Z';
// Don't let imgui special-case Mac, wxWidgets already do that
io.ConfigMacOSXBehaviors = false;
// Setup clipboard interaction callbacks
io.SetClipboardTextFn = clipboard_set;
io.GetClipboardTextFn = clipboard_get;
io.ClipboardUserData = this;
}
void ImGuiWrapper::init_style()
{
ImGuiStyle &style = ImGui::GetStyle();
auto set_color = [&](ImGuiCol_ entity, ImVec4 color) {
style.Colors[entity] = color;
};
//BBS modify style
// Window
style.WindowRounding = 0.0f;
set_color(ImGuiCol_WindowBg, COL_WINDOW_BACKGROUND);
set_color(ImGuiCol_TitleBgActive, COL_WINDOW_BACKGROUND);
// Generics
set_color(ImGuiCol_FrameBg, COL_GREY_DARK);
set_color(ImGuiCol_FrameBgHovered, COL_GREY_LIGHT);
set_color(ImGuiCol_FrameBgActive, COL_GREY_LIGHT);
// Text selection
set_color(ImGuiCol_TextSelectedBg, COL_ORANGE_DARK);
// Buttons
set_color(ImGuiCol_Button, COL_BUTTON_BACKGROUND);
set_color(ImGuiCol_ButtonHovered, COL_HOVER);
set_color(ImGuiCol_ButtonActive, COL_ACTIVE);
// Checkbox
set_color(ImGuiCol_CheckMark, COL_BLUE_LIGHT);
// ComboBox items
set_color(ImGuiCol_Header, COL_ORANGE_DARK);
set_color(ImGuiCol_HeaderHovered, COL_BLUE_LIGHT);
set_color(ImGuiCol_HeaderActive, COL_BLUE_LIGHT);
// Slider
set_color(ImGuiCol_SliderGrab, COL_BLUE_LIGHT);
set_color(ImGuiCol_SliderGrabActive, COL_BLUE_LIGHT);
// Separator
set_color(ImGuiCol_Separator, COL_BLUE_LIGHT);
// Tabs
set_color(ImGuiCol_Tab, COL_ORANGE_DARK);
set_color(ImGuiCol_TabHovered, COL_BLUE_LIGHT);
set_color(ImGuiCol_TabActive, COL_BLUE_LIGHT);
set_color(ImGuiCol_TabUnfocused, COL_GREY_DARK);
set_color(ImGuiCol_TabUnfocusedActive, COL_GREY_LIGHT);
// Scrollbars
set_color(ImGuiCol_ScrollbarGrab, COL_ORANGE_DARK);
set_color(ImGuiCol_ScrollbarGrabHovered, COL_ORANGE_LIGHT);
set_color(ImGuiCol_ScrollbarGrabActive, COL_ORANGE_LIGHT);
}
void ImGuiWrapper::render_draw_data(ImDrawData *draw_data)
{
// Avoid rendering when minimized, scale coordinates for retina displays (screen coordinates != framebuffer coordinates)
ImGuiIO& io = ImGui::GetIO();
int fb_width = (int)(draw_data->DisplaySize.x * io.DisplayFramebufferScale.x);
int fb_height = (int)(draw_data->DisplaySize.y * io.DisplayFramebufferScale.y);
if (fb_width == 0 || fb_height == 0)
return;
draw_data->ScaleClipRects(io.DisplayFramebufferScale);
// We are using the OpenGL fixed pipeline to make the example code simpler to read!
// Setup render state: alpha-blending enabled, no face culling, no depth testing, scissor enabled, vertex/texcoord/color pointers, polygon fill.
GLint last_texture; glsafe(::glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture));
GLint last_polygon_mode[2]; glsafe(::glGetIntegerv(GL_POLYGON_MODE, last_polygon_mode));
GLint last_viewport[4]; glsafe(::glGetIntegerv(GL_VIEWPORT, last_viewport));
GLint last_scissor_box[4]; glsafe(::glGetIntegerv(GL_SCISSOR_BOX, last_scissor_box));
glsafe(::glPushAttrib(GL_ENABLE_BIT | GL_COLOR_BUFFER_BIT | GL_TRANSFORM_BIT));
glsafe(::glEnable(GL_BLEND));
glsafe(::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
glsafe(::glDisable(GL_CULL_FACE));
glsafe(::glDisable(GL_DEPTH_TEST));
glsafe(::glDisable(GL_LIGHTING));
glsafe(::glDisable(GL_COLOR_MATERIAL));
glsafe(::glEnable(GL_SCISSOR_TEST));
glsafe(::glEnableClientState(GL_VERTEX_ARRAY));
glsafe(::glEnableClientState(GL_TEXTURE_COORD_ARRAY));
glsafe(::glEnableClientState(GL_COLOR_ARRAY));
glsafe(::glEnable(GL_TEXTURE_2D));
glsafe(::glPolygonMode(GL_FRONT_AND_BACK, GL_FILL));
glsafe(::glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE));
GLint texture_env_mode = GL_MODULATE;
glsafe(::glGetTexEnviv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, &texture_env_mode));
glsafe(::glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE));
//glUseProgram(0); // You may want this if using this code in an OpenGL 3+ context where shaders may be bound
// Setup viewport, orthographic projection matrix
// Our visible imgui space lies from draw_data->DisplayPps (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayMin is typically (0,0) for single viewport apps.
glsafe(::glViewport(0, 0, (GLsizei)fb_width, (GLsizei)fb_height));
glsafe(::glMatrixMode(GL_PROJECTION));
glsafe(::glPushMatrix());
glsafe(::glLoadIdentity());
glsafe(::glOrtho(draw_data->DisplayPos.x, draw_data->DisplayPos.x + draw_data->DisplaySize.x, draw_data->DisplayPos.y + draw_data->DisplaySize.y, draw_data->DisplayPos.y, -1.0f, +1.0f));
glsafe(::glMatrixMode(GL_MODELVIEW));
glsafe(::glPushMatrix());
glsafe(::glLoadIdentity());
// Render command lists
ImVec2 pos = draw_data->DisplayPos;
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
const ImDrawList* cmd_list = draw_data->CmdLists[n];
const ImDrawVert* vtx_buffer = cmd_list->VtxBuffer.Data;
const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data;
glsafe(::glVertexPointer(2, GL_FLOAT, sizeof(ImDrawVert), (const GLvoid*)((const char*)vtx_buffer + IM_OFFSETOF(ImDrawVert, pos))));
glsafe(::glTexCoordPointer(2, GL_FLOAT, sizeof(ImDrawVert), (const GLvoid*)((const char*)vtx_buffer + IM_OFFSETOF(ImDrawVert, uv))));
glsafe(::glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(ImDrawVert), (const GLvoid*)((const char*)vtx_buffer + IM_OFFSETOF(ImDrawVert, col))));
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
if (pcmd->UserCallback)
{
// User callback (registered via ImDrawList::AddCallback)
pcmd->UserCallback(cmd_list, pcmd);
}
else
{
ImVec4 clip_rect = ImVec4(pcmd->ClipRect.x - pos.x, pcmd->ClipRect.y - pos.y, pcmd->ClipRect.z - pos.x, pcmd->ClipRect.w - pos.y);
if (clip_rect.x < fb_width && clip_rect.y < fb_height && clip_rect.z >= 0.0f && clip_rect.w >= 0.0f)
{
// Apply scissor/clipping rectangle
glsafe(::glScissor((int)clip_rect.x, (int)(fb_height - clip_rect.w), (int)(clip_rect.z - clip_rect.x), (int)(clip_rect.w - clip_rect.y)));
// Bind texture, Draw
glsafe(::glBindTexture(GL_TEXTURE_2D, (GLuint)(intptr_t)pcmd->TextureId));
glsafe(::glDrawElements(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, idx_buffer));
}
}
idx_buffer += pcmd->ElemCount;
}
}
// Restore modified state
glsafe(::glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, texture_env_mode));
glsafe(::glDisableClientState(GL_COLOR_ARRAY));
glsafe(::glDisableClientState(GL_TEXTURE_COORD_ARRAY));
glsafe(::glDisableClientState(GL_VERTEX_ARRAY));
glsafe(::glBindTexture(GL_TEXTURE_2D, (GLuint)last_texture));
glsafe(::glMatrixMode(GL_MODELVIEW));
glsafe(::glPopMatrix());
glsafe(::glMatrixMode(GL_PROJECTION));
glsafe(::glPopMatrix());
glsafe(::glPopAttrib());
glsafe(::glPolygonMode(GL_FRONT, (GLenum)last_polygon_mode[0]); glPolygonMode(GL_BACK, (GLenum)last_polygon_mode[1]));
glsafe(::glViewport(last_viewport[0], last_viewport[1], (GLsizei)last_viewport[2], (GLsizei)last_viewport[3]));
glsafe(::glScissor(last_scissor_box[0], last_scissor_box[1], (GLsizei)last_scissor_box[2], (GLsizei)last_scissor_box[3]));
}
bool ImGuiWrapper::display_initialized() const
{
const ImGuiIO& io = ImGui::GetIO();
return io.DisplaySize.x >= 0.0f && io.DisplaySize.y >= 0.0f;
}
void ImGuiWrapper::destroy_font()
{
if (m_font_texture != 0) {
ImGuiIO& io = ImGui::GetIO();
io.Fonts->TexID = 0;
glsafe(::glDeleteTextures(1, &m_font_texture));
m_font_texture = 0;
}
}
const char* ImGuiWrapper::clipboard_get(void* user_data)
{
ImGuiWrapper *self = reinterpret_cast<ImGuiWrapper*>(user_data);
const char* res = "";
if (wxTheClipboard->Open()) {
if (wxTheClipboard->IsSupported(wxDF_TEXT)) {
wxTextDataObject data;
wxTheClipboard->GetData(data);
if (data.GetTextLength() > 0) {
self->m_clipboard_text = into_u8(data.GetText());
res = self->m_clipboard_text.c_str();
}
}
wxTheClipboard->Close();
}
return res;
}
void ImGuiWrapper::clipboard_set(void* /* user_data */, const char* text)
{
if (wxTheClipboard->Open()) {
wxTheClipboard->SetData(new wxTextDataObject(wxString::FromUTF8(text))); // object owned by the clipboard
wxTheClipboard->Close();
}
}
bool IMTexture::load_from_svg_file(const std::string& filename, unsigned width, unsigned height, ImTextureID& texture_id)
{
NSVGimage* image = nsvgParseFromFile(filename.c_str(), "px", 96.0f);
if (image == nullptr) {
return false;
}
float scale = (float)width / std::max(image->width, image->height);
int n_pixels = width * height;
if (n_pixels <= 0) {
nsvgDelete(image);
return false;
}
NSVGrasterizer* rast = nsvgCreateRasterizer();
if (rast == nullptr) {
nsvgDelete(image);
return false;
}
std::vector<unsigned char> data(n_pixels * 4, 0);
nsvgRasterize(rast, image, 0, 0, scale, data.data(), width, height, width * 4);
bool compress = false;
GLint last_texture;
unsigned m_image_texture{ 0 };
unsigned char* pixels = (unsigned char*)(&data[0]);
glsafe(::glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture));
glsafe(::glGenTextures(1, &m_image_texture));
glsafe(::glBindTexture(GL_TEXTURE_2D, m_image_texture));
glsafe(::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
glsafe(::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
glsafe(::glPixelStorei(GL_UNPACK_ROW_LENGTH, 0));
glsafe(::glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels));
// Store our identifier
texture_id = (ImTextureID)(intptr_t)m_image_texture;
// Restore state
glsafe(::glBindTexture(GL_TEXTURE_2D, last_texture));
nsvgDeleteRasterizer(rast);
nsvgDelete(image);
return true;
}
} // namespace GUI
} // namespace Slic3r
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