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Implemented workaround for the mouse wheel in Search Window and Undo/Redo lists on the Plater

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Workaround is used because of ImGui::GetIO().MouseWheel returns zero always!
This commit is contained in:
YuSanka 2020-04-27 16:00:54 +02:00
parent 93170870e8
commit 60ae7d67e9
4 changed files with 56 additions and 30 deletions
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68
src/slic3r/GUI/ImGuiWrapper.cpp
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@ -379,7 +379,40 @@ bool ImGuiWrapper::combo(const wxString& label, const std::vector<std::string>&
return res;
}
bool ImGuiWrapper::undo_redo_list(const ImVec2& size, const bool is_undo, bool (*items_getter)(const bool , int , const char**), int& hovered, int& selected)
// 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);
@ -401,6 +434,9 @@ bool ImGuiWrapper::undo_redo_list(const ImVec2& size, const bool is_undo, bool (
i++;
}
if (is_hovered)
process_mouse_wheel(mouse_wheel);
ImGui::ListBoxFooter();
return is_hovered;
}
@ -563,30 +599,6 @@ static void scroll_y(int hover_id)
ImGui::SetScrollY(win_top - item_size_y);
}
// 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);
}
// 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
@ -602,7 +614,7 @@ static void process_key_down(ImGuiKey imgui_key, std::function<void()> f)
}
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)
Search::OptionViewParameters& view_params, int& selected, bool& edited, int& mouse_wheel)
{
// ImGui::ListBoxHeader("", size);
{
@ -678,6 +690,10 @@ void ImGuiWrapper::search_list(const ImVec2& size_, bool (*items_getter)(int, co
scroll_y(mouse_hovered);
// 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)