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ColorEdit4: Store edit options per window. Demo: Letting user change edit mode. (#346)

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This commit is contained in:
omar 2017-07-29 14:01:05 +08:00
parent c36d59a42a
commit cdcda9ff68
2 changed files with 13 additions and 17 deletions
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14
imgui.cpp
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@ -9141,7 +9141,7 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
ImGuiContext& g = *GImGui;
const ImGuiStyle& style = g.Style;
const ImGuiID id = window->GetID(label);
const ImGuiID storage_id = window->ID; // Store options on a per window basis
const float w_extra = (flags & ImGuiColorEditFlags_NoColorSquare) ? 0.0f : (ColorSquareSize() + style.ItemInnerSpacing.x);
const float w_items_all = CalcItemWidth() - w_extra;
const char* label_display_end = FindRenderedTextEnd(label);
@ -9149,17 +9149,17 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
const bool alpha = (flags & ImGuiColorEditFlags_NoAlpha) == 0;
const int components = alpha ? 4 : 3;
// If no mode is specified, defaults to RGB
if (!(flags & ImGuiColorEditFlags_ModeMask_))
flags |= ImGuiColorEditFlags_RGB;
// If we're not showing any slider there's no point in querying color mode, nor showing the options menu, nor doing any HSV conversions
if (flags & ImGuiColorEditFlags_NoInputs)
flags = (flags & (~ImGuiColorEditFlags_ModeMask_)) | ImGuiColorEditFlags_RGB | ImGuiColorEditFlags_NoOptions;
// If no mode is specified, defaults to RGB
if (!(flags & ImGuiColorEditFlags_ModeMask_))
flags |= ImGuiColorEditFlags_RGB;
// Read back edit mode from persistent storage, check that exactly one of RGB/HSV/HEX is set
if (!(flags & ImGuiColorEditFlags_NoOptions))
flags = (flags & (~ImGuiColorEditFlags_StoredMask_)) | (g.ColorEditModeStorage.GetInt(id, (flags & ImGuiColorEditFlags_StoredMask_)) & ImGuiColorEditFlags_StoredMask_);
flags = (flags & (~ImGuiColorEditFlags_StoredMask_)) | (g.ColorEditModeStorage.GetInt(storage_id, (flags & ImGuiColorEditFlags_StoredMask_)) & ImGuiColorEditFlags_StoredMask_);
IM_ASSERT(ImIsPowerOfTwo((int)(flags & ImGuiColorEditFlags_ModeMask_)));
float f[4] = { col[0], col[1], col[2], alpha ? col[3] : 1.0f };
@ -9281,7 +9281,7 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
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(id, (int)(new_flags & ImGuiColorEditFlags_StoredMask_));
g.ColorEditModeStorage.SetInt(storage_id, (int)(new_flags & ImGuiColorEditFlags_StoredMask_));
EndPopup();
}

16
imgui_demo.cpp
View File

@ -1752,19 +1752,15 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
ImGui::SameLine(); ImGui::PushItemWidth(120); ImGui::Combo("##output_type", &output_dest, "To Clipboard\0To TTY\0"); ImGui::PopItemWidth();
ImGui::SameLine(); ImGui::Checkbox("Only Modified Fields", &output_only_modified);
static ImGuiColorEditFlags color_flags = ImGuiColorEditFlags_RGB;
ImGui::RadioButton("RGB", &color_flags, ImGuiColorEditFlags_RGB); ImGui::SameLine();
ImGui::RadioButton("HSV", &color_flags, ImGuiColorEditFlags_HSV); ImGui::SameLine();
ImGui::RadioButton("HEX", &color_flags, ImGuiColorEditFlags_HEX);
//ImGui::Text("Tip: Click on colored square to change edit mode.");
ImGui::Text("Tip: Left-click on colored square to open color picker,\nRight-click to open edit options menu.");
static ImGuiTextFilter filter;
filter.Draw("Filter colors", 200);
static ImGuiColorEditFlags alpha_flags = 0;
ImGui::RadioButton("Opaque", &alpha_flags, 0); ImGui::SameLine();
ImGui::RadioButton("Alpha", &alpha_flags, ImGuiColorEditFlags_AlphaPreview); ImGui::SameLine();
ImGui::RadioButton("Half", &alpha_flags, ImGuiColorEditFlags_AlphaPreviewHalf);
static ImGuiTextFilter filter;
filter.Draw("Filter colors", 200);
ImGui::RadioButton("Both", &alpha_flags, ImGuiColorEditFlags_AlphaPreviewHalf);
ImGui::BeginChild("#colors", ImVec2(0, 300), true, ImGuiWindowFlags_AlwaysVerticalScrollbar);
ImGui::PushItemWidth(-160);
@ -1774,7 +1770,7 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
if (!filter.PassFilter(name))
continue;
ImGui::PushID(i);
ImGui::ColorEdit4(name, (float*)&style.Colors[i], color_flags | ImGuiColorEditFlags_NoOptions | ImGuiColorEditFlags_AlphaBar | alpha_flags);
ImGui::ColorEdit4(name, (float*)&style.Colors[i], ImGuiColorEditFlags_AlphaBar | alpha_flags);
if (memcmp(&style.Colors[i], (ref ? &ref->Colors[i] : &default_style.Colors[i]), sizeof(ImVec4)) != 0)
{
ImGui::SameLine(); if (ImGui::Button("Revert")) style.Colors[i] = ref ? ref->Colors[i] : default_style.Colors[i];