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ColorEdit4: Picker spawned from ColorEdit4 has a preview for original/previous color with revert button - WIP not really happy with it being in ColorEdit4 code (#346)

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omar 2017-07-29 15:54:45 +08:00
parent 6bc1572d31
commit 7537dff806
2 changed files with 18 additions and 0 deletions
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17
imgui.cpp
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@ -9244,6 +9244,7 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
{ {
if (!(flags & ImGuiColorEditFlags_NoPicker)) if (!(flags & ImGuiColorEditFlags_NoPicker))
{ {
g.ColorPickerRef = ImVec4(col[0], col[1], col[2], alpha ? col[3] : 1.0f);
OpenPopup("picker"); OpenPopup("picker");
SetNextWindowPos(window->DC.LastItemRect.GetBL() + ImVec2(-1,style.ItemSpacing.y)); SetNextWindowPos(window->DC.LastItemRect.GetBL() + ImVec2(-1,style.ItemSpacing.y));
} }
@ -9264,9 +9265,25 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
float square_sz = ColorSquareSize(); float square_sz = ColorSquareSize();
ImGuiColorEditFlags picker_flags_to_forward = ImGuiColorEditFlags_Float | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaBar | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf; ImGuiColorEditFlags picker_flags_to_forward = ImGuiColorEditFlags_Float | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaBar | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf;
ImGuiColorEditFlags picker_flags = (flags & picker_flags_to_forward) | (ImGuiColorEditFlags_RGB | ImGuiColorEditFlags_HSV | ImGuiColorEditFlags_HEX) | ImGuiColorEditFlags_NoLabel; ImGuiColorEditFlags picker_flags = (flags & picker_flags_to_forward) | (ImGuiColorEditFlags_RGB | ImGuiColorEditFlags_HSV | ImGuiColorEditFlags_HEX) | ImGuiColorEditFlags_NoLabel;
if ((flags & ImGuiColorEditFlags_NoRefColor) == 0)
picker_flags |= ImGuiColorEditFlags_NoColorSquare;
PushItemWidth(square_sz * 12.0f); PushItemWidth(square_sz * 12.0f);
value_changed |= ColorPicker4("##picker", col, picker_flags); value_changed |= ColorPicker4("##picker", col, picker_flags);
PopItemWidth(); PopItemWidth();
if ((flags & ImGuiColorEditFlags_NoRefColor) == 0)
{
SameLine();
BeginGroup();
Text("Current");
ColorButton("##current", col_display, ImGuiColorEditFlags_NoTooltip|ImGuiColorEditFlags_AlphaPreviewHalf, ImVec2(square_sz * 3, square_sz * 2));
Text("Original");
if (ColorButton("##original", g.ColorPickerRef, ImGuiColorEditFlags_NoTooltip|ImGuiColorEditFlags_AlphaPreviewHalf, ImVec2(square_sz * 3, square_sz * 2)))
{
memcpy(col, &g.ColorPickerRef, (alpha ? 4 : 3) * sizeof(float));
value_changed = 0;
}
EndGroup();
}
EndPopup(); EndPopup();
} }

1
imgui_internal.h
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@ -433,6 +433,7 @@ struct ImGuiContext
ImFont InputTextPasswordFont; ImFont InputTextPasswordFont;
ImGuiID ScalarAsInputTextId; // Temporary text input when CTRL+clicking on a slider, etc. ImGuiID ScalarAsInputTextId; // Temporary text input when CTRL+clicking on a slider, etc.
ImGuiStorage ColorEditModeStorage; // Store user selection of color edit mode ImGuiStorage ColorEditModeStorage; // Store user selection of color edit mode
ImVec4 ColorPickerRef;
float DragCurrentValue; // Currently dragged value, always float, not rounded by end-user precision settings float DragCurrentValue; // Currently dragged value, always float, not rounded by end-user precision settings
ImVec2 DragLastMouseDelta; ImVec2 DragLastMouseDelta;
float DragSpeedDefaultRatio; // If speed == 0.0f, uses (max-min) * DragSpeedDefaultRatio float DragSpeedDefaultRatio; // If speed == 0.0f, uses (max-min) * DragSpeedDefaultRatio