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Made it possible to move a window by dragging from the Collapse button (past the drag threshold). Extracted some code out to a CollapseButton() function.

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This commit is contained in:
omar 2018-07-10 11:14:38 +02:00
parent 3a522b2400
commit 357534e588
2 changed files with 21 additions and 9 deletions
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29
imgui.cpp
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@ -305,7 +305,7 @@
When you are not sure about a old symbol or function name, try using the Search/Find function of your IDE to look for comments or references in all imgui files.
You can read releases logs https://github.com/ocornut/imgui/releases for more details.
- 2017/07/22 (1.63) - changed ImGui::GetTime() return value from float to double to avoid accumulating floating point imprecisions over time.
- 2018/07/22 (1.63) - changed ImGui::GetTime() return value from float to double to avoid accumulating floating point imprecisions over time.
- 2018/07/08 (1.63) - style: renamed ImGuiCol_ModalWindowDarkening to ImGuiCol_ModalWindowDimBg for consistency with other features. Kept redirection enum (will obsolete).
- 2018/07/06 (1.63) - removed per-window ImGuiWindowFlags_ResizeFromAnySide beta flag in favor of a global io.OptResizeWindowsFromEdges to enable the feature.
- 2018/06/06 (1.62) - renamed GetGlyphRangesChinese() to GetGlyphRangesChineseFull() to distinguish other variants and discourage using the full set.
@ -6655,15 +6655,8 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
// Collapse button
if (!(flags & ImGuiWindowFlags_NoCollapse))
{
ImGuiID id = window->GetID("#COLLAPSE");
ImRect bb(window->Pos + style.FramePadding + ImVec2(1,1), window->Pos + style.FramePadding + ImVec2(g.FontSize,g.FontSize) - ImVec2(1,1));
ItemAdd(bb, id);
if (ButtonBehavior(bb, id, NULL, NULL))
if (CollapseButton(window->GetID("#COLLAPSE"), window->Pos + style.FramePadding))
window->CollapseToggleWanted = true; // Defer collapsing to next frame as we are too far in the Begin() function
RenderNavHighlight(bb, id);
RenderArrow(window->Pos + style.FramePadding, window->Collapsed ? ImGuiDir_Right : ImGuiDir_Down, 1.0f);
}
// Close button
if (p_open != NULL)
@ -8336,6 +8329,24 @@ bool ImGui::CloseButton(ImGuiID id, const ImVec2& pos, float radius)
return pressed;
}
bool ImGui::CollapseButton(ImGuiID id, const ImVec2& pos)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
ImRect bb(pos, pos + ImVec2(g.FontSize, g.FontSize));
ItemAdd(bb, id);
bool ret = ButtonBehavior(bb, id, NULL, NULL, ImGuiButtonFlags_None);
RenderNavHighlight(bb, id);
RenderArrow(bb.Min, window->Collapsed ? ImGuiDir_Right : ImGuiDir_Down, 1.0f);
// Switch to moving the window after mouse is moved beyond the initial drag threshold
if (IsItemActive() && IsMouseDragging())
StartMouseMovingWindow(window);
return ret;
}
void ImGui::Image(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0, const ImVec2& uv1, const ImVec4& tint_col, const ImVec4& border_col)
{
ImGuiWindow* window = GetCurrentWindow();

1
imgui_internal.h
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@ -1172,6 +1172,7 @@ namespace ImGui
IMGUI_API bool ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool* out_held, ImGuiButtonFlags flags = 0);
IMGUI_API bool ButtonEx(const char* label, const ImVec2& size_arg = ImVec2(0,0), ImGuiButtonFlags flags = 0);
IMGUI_API bool CloseButton(ImGuiID id, const ImVec2& pos, float radius);
IMGUI_API bool CollapseButton(ImGuiID id, const ImVec2& pos);
IMGUI_API bool ArrowButtonEx(const char* str_id, ImGuiDir dir, ImVec2 size_arg, ImGuiButtonFlags flags);
IMGUI_API bool DragBehavior(ImGuiID id, ImGuiDataType data_type, void* v, float v_speed, const void* v_min, const void* v_max, const char* format, float power);