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ColorEdit, ColorPicker: added ImGuiColorEditFlags_NoAlphaPreview flag (#346). Reorder flags again.

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This commit is contained in:
omar 2017-07-26 16:28:01 +08:00
parent d29a4c5e5c
commit 6796e771fd
3 changed files with 25 additions and 18 deletions
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6
imgui.cpp
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@ -9005,7 +9005,7 @@ void ImGui::ColorTooltip(const char* text, const float col[4], ImGuiColorEditFla
{
ImGuiContext& g = *GImGui;
int cr = IM_F32_TO_INT8_SAT(col[0]), cg = IM_F32_TO_INT8_SAT(col[1]), cb = IM_F32_TO_INT8_SAT(col[2]), ca = (flags & ImGuiColorEditFlags_NoAlpha) ? 255 : IM_F32_TO_INT8_SAT(col[3]);
int cr = IM_F32_TO_INT8_SAT(col[0]), cg = IM_F32_TO_INT8_SAT(col[1]), cb = IM_F32_TO_INT8_SAT(col[2]), ca = (flags & (ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_NoAlphaPreview)) ? 255 : IM_F32_TO_INT8_SAT(col[3]);
BeginTooltipEx(true);
ImGuiWindow* window = GetCurrentWindow();
@ -9076,11 +9076,11 @@ bool ImGui::ColorButton(const char* desc_id, const ImVec4& col, ImGuiColorEditFl
bool hovered, held;
bool pressed = ButtonBehavior(bb, id, &hovered, &held);
float grid_step = ImMin(g.FontSize, ImMin(size.x, size.y) * 0.5f);
RenderColorRectWithAlphaGrid(bb.Min, bb.Max, GetColorU32(col), grid_step, style.FrameRounding);
RenderColorRectWithAlphaGrid(bb.Min, bb.Max, GetColorU32((flags & (ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_NoAlphaPreview)) ? ImVec4(col.x, col.y, col.z, 1.0f) : col), grid_step, style.FrameRounding);
RenderFrameBorder(bb.Min, bb.Max, style.FrameRounding);
if (hovered && !(flags & ImGuiColorEditFlags_NoTooltip))
ColorTooltip(desc_id, &col.x, flags & ImGuiColorEditFlags_NoAlpha);
ColorTooltip(desc_id, &col.x, flags & (ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_NoAlphaPreview));
return pressed;
}

21
imgui.h
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@ -274,7 +274,7 @@ namespace ImGui
IMGUI_API bool RadioButton(const char* label, bool active);
IMGUI_API bool RadioButton(const char* label, int* v, int v_button);
IMGUI_API bool Combo(const char* label, int* current_item, const char* const* items, int items_count, int height_in_items = -1);
IMGUI_API bool Combo(const char* label, int* current_item, const char* items_separated_by_zeros, int height_in_items = -1); // separate items with \0, end item-list with \0\0
IMGUI_API bool Combo(const char* label, int* current_item, const char* items_separated_by_zeros, int height_in_items = -1); // separate items with \0, end item-list with \0\0
IMGUI_API bool Combo(const char* label, int* current_item, bool (*items_getter)(void* data, int idx, const char** out_text), void* data, int items_count, int height_in_items = -1);
IMGUI_API bool ColorButton(const char* desc_id, const ImVec4& col, ImGuiColorEditFlags flags = 0, ImVec2 size = ImVec2(0,0)); // display a colored square/button, hover for details, return true when pressed.
IMGUI_API bool ColorEdit3(const char* label, float col[3], ImGuiColorEditFlags flags = 0); // 3-4 components color edition. click on colored squared to open a color picker, right-click for options. Hint: 'float col[3]' function argument is same as 'float* col'. You can pass address of first element out of a contiguous structure, e.g. &myvector.x
@ -661,21 +661,22 @@ enum ImGuiStyleVar_
ImGuiStyleVar_Count_
};
// Enumeration for ColorEdit3() / ColorEdit4() / ColorPicker3() / ColorPicker4()
// Enumeration for ColorEdit3() / ColorEdit4() / ColorPicker3() / ColorPicker4() / ColorButton()
enum ImGuiColorEditFlags_
{
ImGuiColorEditFlags_RGB = 1 << 0, // ColorEdit: Default to one among RGB/HSV/HEX. User can still use the options menu to change. ColorPicker: Choose any combination or RGB/HSV/HEX.
ImGuiColorEditFlags_HSV = 1 << 1, // "
ImGuiColorEditFlags_HEX = 1 << 2, // "
ImGuiColorEditFlags_Float = 1 << 3, // ColorEdit, ColorPicker: display values formatted as 0.0f..1.0f floats instead of 0..255 integers. No round-trip of value via integers.
ImGuiColorEditFlags_Float = 1 << 3, // ColorEdit, ColorPicker, ColorButton: display values formatted as 0.0f..1.0f floats instead of 0..255 integers. No round-trip of value via integers.
ImGuiColorEditFlags_AlphaBar = 1 << 4, // ColorPicker: Show vertical alpha bar/gradient.
ImGuiColorEditFlags_NoAlpha = 1 << 5, // ColorEdit, ColorPicker: show/edit Alpha component.
ImGuiColorEditFlags_NoPicker = 1 << 6, // ColorEdit: Disable picker when clicking on colored square
ImGuiColorEditFlags_NoOptions = 1 << 7, // ColorEdit: Disable toggling options menu when right-clicking colored square
ImGuiColorEditFlags_NoColorSquare = 1 << 8, // ColorEdit, ColorPicker: Disable colored square.
ImGuiColorEditFlags_NoInputs = 1 << 9, // ColorEdit, ColorPicker: Disable inputs sliders/text widgets, show only the colored square.
ImGuiColorEditFlags_NoTooltip = 1 << 10, // ColorEdit, ColorButton: Disable tooltip when hovering the colored square.
ImGuiColorEditFlags_NoLabel = 1 << 11, // ColorEdit: Disable display of inline text label (the label is still used in tooltip and picker)
ImGuiColorEditFlags_NoAlpha = 1 << 5, // ColorEdit, ColorPicker, ColorButton: completely ignore Alpha component (read 3 components).
ImGuiColorEditFlags_NoAlphaPreview = 1 << 6, // ColorEdit, ColorPicker, ColorButton: do not display transparent colors over a checkerboard, always display the preview as opaque.
ImGuiColorEditFlags_NoPicker = 1 << 7, // ColorEdit: disable picker when clicking on colored square.
ImGuiColorEditFlags_NoOptions = 1 << 8, // ColorEdit: disable toggling options menu when right-clicking on colored square.
ImGuiColorEditFlags_NoColorSquare = 1 << 9, // ColorEdit, ColorPicker: disable colored square.
ImGuiColorEditFlags_NoInputs = 1 << 10, // ColorEdit, ColorPicker: disable inputs sliders/text widgets, show only the colored square.
ImGuiColorEditFlags_NoTooltip = 1 << 11, // ColorEdit, ColorButton: disable tooltip when hovering the colored square.
ImGuiColorEditFlags_NoLabel = 1 << 12, // ColorEdit, ColorPicker: disable display of inline text label (the label is still used in tooltip and picker).
ImGuiColorEditFlags_ModeMask_ = ImGuiColorEditFlags_RGB|ImGuiColorEditFlags_HSV|ImGuiColorEditFlags_HEX,
ImGuiColorEditFlags_StoredMask_ = ImGuiColorEditFlags_RGB|ImGuiColorEditFlags_HSV|ImGuiColorEditFlags_HEX|ImGuiColorEditFlags_Float
};

16
imgui_demo.cpp
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@ -660,21 +660,27 @@ void ImGui::ShowTestWindow(bool* p_open)
if (ImGui::TreeNode("Color/Picker Widgets"))
{
static ImVec4 color = ImColor(114, 144, 154);
static ImVec4 color = ImColor(114, 144, 154, 200);
static bool alpha_preview = true;
ImGui::Checkbox("With Alpha Preview", &alpha_preview);
ImGui::Text("Color widget:");
ImGui::SameLine(); ShowHelpMarker("Click on the colored square to open a color picker.\nRight-click on the colored square to show options.\nCTRL+click on individual component to input value.\n");
ImGui::ColorEdit3("MyColor##1", (float*)&color, ImGuiColorEditFlags_HSV);
ImGui::Text("Color widget with Alpha:");
ImGui::ColorEdit4("MyColor##2", (float*)&color);
ImGui::ColorEdit4("MyColor##2", (float*)&color, (alpha_preview ? 0 : ImGuiColorEditFlags_NoAlphaPreview));
ImGui::Text("Color widget with Float Display:");
ImGui::ColorEdit4("MyColor##2f", (float*)&color, ImGuiColorEditFlags_Float);
ImGui::ColorEdit4("MyColor##2f", (float*)&color, ImGuiColorEditFlags_Float | (alpha_preview ? 0 : ImGuiColorEditFlags_NoAlphaPreview));
ImGui::Text("Color button with Picker:");
ImGui::SameLine(); ShowHelpMarker("With the ImGuiColorEditFlags_NoInputs flag you can hide all the slider/text inputs.\nWith the ImGuiColorEditFlags_NoLabel flag you can pass a non-empty label which will only be used for the tooltip and picker popup.");
ImGui::ColorEdit4("MyColor##3", (float*)&color, ImGuiColorEditFlags_NoInputs|ImGuiColorEditFlags_NoLabel|(alpha_preview ? 0 : ImGuiColorEditFlags_NoAlphaPreview));
ImGui::Text("Color button only:");
ImGui::SameLine(); ShowHelpMarker("With the ImGuiColorEditFlags_NoInputs flag you can hide all the slider/text inputs.\nWith the ImGuiColorEditFlags_NoLabel flag you can pass a non-empty label which will only be used for the tooltip and picker popup.");
ImGui::ColorEdit4("MyColor##3", (float*)&color, ImGuiColorEditFlags_NoInputs|ImGuiColorEditFlags_NoLabel);
ImGui::ColorButton("MyColor##3b", *(ImVec4*)&color, (alpha_preview ? 0 : ImGuiColorEditFlags_NoAlphaPreview), ImVec2(80,80));
ImGui::Text("Color picker:");
static bool alpha = false;