Drezil/imgui
1
0
Fork 0
mirror of https://github.com/Drezil/imgui.git synced 2025-07-06 04:58:47 +02:00
Code Issues Packages Projects Releases Wiki Activity

ColorPicker: Added ImGuiColorEditFlags_NoSidePreview flag + optional reference color. Added more demo code. (#346)

Browse Source
This commit is contained in:
omar
2017-07-29 17:23:32 +08:00
parent e84224bcd5
commit 3926bd08e1
3 changed files with 75 additions and 52 deletions
Download Patch File Download Diff File Expand all files Collapse all files

89
imgui.cpp
View File

@ -9266,48 +9266,28 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
Separator();
}
float square_sz = ColorSquareSize();
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;
if ((flags & ImGuiColorEditFlags_NoRefColor) == 0)
picker_flags |= ImGuiColorEditFlags_NoColorSquare;
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_AlphaPreviewHalf;
PushItemWidth(square_sz * 12.0f); // Use 256 + bar sizes?
value_changed |= ColorPicker4("##picker", col, picker_flags);
value_changed |= ColorPicker4("##picker", col, picker_flags, &g.ColorPickerRef.x);
PopItemWidth();
if ((flags & ImGuiColorEditFlags_NoRefColor) == 0)
{
SameLine();
BeginGroup();
Text("Current");
ColorButton("##current", col_v4, 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, components * sizeof(float));
value_changed = true;
}
EndGroup();
}
EndPopup();
}
}
// Context menu: display and store options. Don't apply to 'flags' this frame.
if (!(flags & ImGuiColorEditFlags_NoOptions) && BeginPopup("context"))
{
ImGuiColorEditFlags new_flags = -1;
if (RadioButton("RGB", (flags & ImGuiColorEditFlags_RGB)?1:0)) new_flags = (flags & ~ImGuiColorEditFlags_ModeMask_) | ImGuiColorEditFlags_RGB;
if (RadioButton("HSV", (flags & ImGuiColorEditFlags_HSV)?1:0)) new_flags = (flags & ~ImGuiColorEditFlags_ModeMask_) | ImGuiColorEditFlags_HSV;
if (RadioButton("HEX", (flags & ImGuiColorEditFlags_HEX)?1:0)) new_flags = (flags & ~ImGuiColorEditFlags_ModeMask_) | ImGuiColorEditFlags_HEX;
Separator();
if (RadioButton("0..255", (flags & ImGuiColorEditFlags_Float)?0:1)) new_flags = (flags & ~ImGuiColorEditFlags_Float);
if (RadioButton("0.00..1.00", (flags & ImGuiColorEditFlags_Float)?1:0)) new_flags = (flags | ImGuiColorEditFlags_Float);
if (new_flags != -1)
g.ColorEditModeStorage.SetInt(storage_id, (int)(new_flags & ImGuiColorEditFlags_StoredMask_));
EndPopup();
}
// Recreate our own tooltip over's ColorButton() one because we want to display correct alpha here
if (!(flags & ImGuiColorEditFlags_NoTooltip) && IsItemHovered())
ColorTooltip(label, col, flags);
// Context menu: display and store options. Don't apply to 'flags' this frame.
if (!(flags & ImGuiColorEditFlags_NoOptions) && BeginPopup("context"))
{
ImGuiColorEditFlags new_flags = -1;
if (RadioButton("RGB", (flags & ImGuiColorEditFlags_RGB)?1:0)) new_flags = (flags & ~ImGuiColorEditFlags_ModeMask_) | ImGuiColorEditFlags_RGB;
if (RadioButton("HSV", (flags & ImGuiColorEditFlags_HSV)?1:0)) new_flags = (flags & ~ImGuiColorEditFlags_ModeMask_) | ImGuiColorEditFlags_HSV;
if (RadioButton("HEX", (flags & ImGuiColorEditFlags_HEX)?1:0)) new_flags = (flags & ~ImGuiColorEditFlags_ModeMask_) | ImGuiColorEditFlags_HEX;
Separator();
if (RadioButton("0..255", (flags & ImGuiColorEditFlags_Float)?0:1)) new_flags = (flags & ~ImGuiColorEditFlags_Float);
if (RadioButton("0.00..1.00", (flags & ImGuiColorEditFlags_Float)?1:0)) new_flags = (flags | ImGuiColorEditFlags_Float);
if (new_flags != -1)
g.ColorEditModeStorage.SetInt(storage_id, (int)(new_flags & ImGuiColorEditFlags_StoredMask_));
EndPopup();
}
if (label != label_display_end && !(flags & ImGuiColorEditFlags_NoLabel))
@ -9352,7 +9332,7 @@ bool ImGui::ColorPicker3(const char* label, float col[3], ImGuiColorEditFlags fl
// ColorPicker
// Note: only access 3 floats if ImGuiColorEditFlags_NoAlpha flag is set.
// FIXME: we adjust the big color square height based on item width, which may cause a flickering feedback loop (if automatic height makes a vertical scrollbar appears, affecting automatic width..)
bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags flags)
bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags flags, const float* ref_col)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow();
@ -9364,6 +9344,9 @@ bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags fl
PushID(label);
BeginGroup();
if ((flags & ImGuiColorEditFlags_NoSidePreview) == 0)
flags |= ImGuiColorEditFlags_NoColorSquare;
// Setup
bool alpha_bar = (flags & ImGuiColorEditFlags_AlphaBar) && !(flags & ImGuiColorEditFlags_NoAlpha);
ImVec2 picker_pos = window->DC.CursorPos;
@ -9407,15 +9390,41 @@ bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags fl
}
}
if ((flags & ImGuiColorEditFlags_NoLabel) == 0)
if (!(flags & ImGuiColorEditFlags_NoSidePreview))
{
SameLine(0, style.ItemInnerSpacing.x);
BeginGroup();
}
if (!(flags & ImGuiColorEditFlags_NoLabel))
{
const char* label_display_end = FindRenderedTextEnd(label);
if (label != label_display_end)
{
SameLine(0, style.ItemInnerSpacing.x);
if ((flags & ImGuiColorEditFlags_NoSidePreview))
SameLine(0, style.ItemInnerSpacing.x);
TextUnformatted(label, label_display_end);
}
}
if (!(flags & ImGuiColorEditFlags_NoSidePreview))
{
ImVec4 col_v4(col[0], col[1], col[2], (flags & ImGuiColorEditFlags_NoAlpha) ? 1.0f : col[3]);
float square_sz = ColorSquareSize();
if ((flags & ImGuiColorEditFlags_NoLabel))
Text("Current");
ColorButton("##current", col_v4, (flags & (ImGuiColorEditFlags_AlphaPreview|ImGuiColorEditFlags_AlphaPreviewHalf)), ImVec2(square_sz * 3, square_sz * 2));
if (ref_col != NULL)
{
Text("Original");
ImVec4 ref_col_v4(ref_col[0], ref_col[1], ref_col[2], (flags & ImGuiColorEditFlags_NoAlpha) ? 1.0f : ref_col[3]);
if (ColorButton("##original", ref_col_v4, (flags & (ImGuiColorEditFlags_AlphaPreview|ImGuiColorEditFlags_AlphaPreviewHalf)), ImVec2(square_sz * 3, square_sz * 2)))
{
memcpy(col, ref_col, ((flags & ImGuiColorEditFlags_NoAlpha) ? 3 : 4) * sizeof(float));
value_changed = true;
}
}
EndGroup();
}
// Convert back color to RGB
if (hsv_changed)