Added code for deactivating of search toolbar item

+ invalidated its unused callbacks.

 + ImGui::Selectable function is copied to InGuiWrapper.cpp and a little beat modified to change a label text, when item is hovered
This commit is contained in:
YuSanka 2020-04-01 11:51:44 +02:00
parent 042880ba2d
commit 67c55c7490
5 changed files with 173 additions and 12 deletions

View file

@ -15,6 +15,9 @@
#include <GL/glew.h>
#ifndef IMGUI_DEFINE_MATH_OPERATORS
#define IMGUI_DEFINE_MATH_OPERATORS
#endif
#include <imgui/imgui_internal.h>
#include "libslic3r/libslic3r.h"
@ -400,6 +403,141 @@ bool ImGuiWrapper::undo_redo_list(const ImVec2& size, const bool is_undo, bool (
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;
if ((flags & ImGuiSelectableFlags_SpanAllColumns) && window->DC.CurrentColumns) // FIXME-OPT: Avoid if vertically clipped.
ImGui::PushColumnsBackground();
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;
ImRect bb_inner(pos, pos + size);
ImGui::ItemSize(size, 0.0f);
// Fill horizontal space.
ImVec2 window_padding = window->WindowPadding;
float max_x = (flags & ImGuiSelectableFlags_SpanAllColumns) ? ImGui::GetWindowContentRegionMax().x : ImGui::GetContentRegionMax().x;
float w_draw = ImMax(label_size.x, window->Pos.x + max_x - window_padding.x - pos.x);
ImVec2 size_draw((size_arg.x != 0 && !(flags & ImGuiSelectableFlags_DrawFillAvailWidth)) ? size_arg.x : w_draw, size_arg.y != 0.0f ? size_arg.y : size.y);
ImRect bb(pos, pos + size_draw);
if (size_arg.x == 0.0f || (flags & ImGuiSelectableFlags_DrawFillAvailWidth))
bb.Max.x += window_padding.x;
// Selectables are tightly packed together so we extend the box to cover spacing between selectable.
const float spacing_x = 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);
bool item_add;
if (flags & ImGuiSelectableFlags_Disabled)
{
ImGuiItemFlags backup_item_flags = window->DC.ItemFlags;
window->DC.ItemFlags |= ImGuiItemFlags_Disabled | ImGuiItemFlags_NoNavDefaultFocus;
item_add = ImGui::ItemAdd(bb, id);
window->DC.ItemFlags = backup_item_flags;
}
else
{
item_add = ImGui::ItemAdd(bb, id);
}
if (!item_add)
{
if ((flags & ImGuiSelectableFlags_SpanAllColumns) && window->DC.CurrentColumns)
ImGui::PopColumnsBackground();
return false;
}
// 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_PressedOnClick) { button_flags |= ImGuiButtonFlags_PressedOnClick; }
if (flags & ImGuiSelectableFlags_PressedOnRelease) { 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)
{
g.NavDisableHighlight = true;
ImGui::SetNavID(id, window->DC.NavLayerCurrent, window->DC.NavFocusScopeIdCurrent);
}
}
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 ((flags & ImGuiSelectableFlags_SpanAllColumns) && window->DC.CurrentColumns)
{
ImGui::PopColumnsBackground();
bb.Max.x -= (ImGui::GetContentRegionMax().x - max_x);
}
// mark a label with a ImGui::ColorMarkerHovered, if item is hovered
char* marked_label = new char[255];
if (hovered)
sprintf(marked_label, "%c%s", ImGui::ColorMarkerHovered, label);
else
strcpy(marked_label, label);
if (flags & ImGuiSelectableFlags_Disabled) ImGui::PushStyleColor(ImGuiCol_Text, style.Colors[ImGuiCol_TextDisabled]);
ImGui::RenderTextClipped(bb_inner.Min, bb_inner.Max, marked_label, NULL, &label_size, style.SelectableTextAlign, &bb);
if (flags & ImGuiSelectableFlags_Disabled) ImGui::PopStyleColor();
delete[] marked_label;
// Automatically close popups
if (pressed && (window->Flags & ImGuiWindowFlags_Popup) && !(flags & ImGuiSelectableFlags_DontClosePopups) && !(window->DC.ItemFlags & ImGuiItemFlags_SelectableDontClosePopup)) ImGui::CloseCurrentPopup();
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags);
return pressed;
}
void ImGuiWrapper::search_list(const ImVec2& size_, bool (*items_getter)(int, const char**), char* search_str, size_t& selected, bool& edited)
{
// ImGui::ListBoxHeader("", size);
@ -442,7 +580,7 @@ void ImGuiWrapper::search_list(const ImVec2& size_, bool (*items_getter)(int, co
const char* item_text;
while (items_getter(i, &item_text))
{
ImGui::Selectable(item_text, false);
selectable(item_text, false);
if (ImGui::IsItemHovered())
ImGui::SetTooltip("%s", item_text);