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Code Releases Wiki Activity

Demo: custom ColorPicker popup example tweaks (#346)

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This commit is contained in:
omar 2017-07-30 17:43:19 +08:00
parent f040547a5f
commit 4d844ffde1
1 changed files with 10 additions and 6 deletions
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16
imgui_demo.cpp
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@ -683,8 +683,13 @@ void ImGui::ShowTestWindow(bool* p_open)
ImGui::ColorEdit4("MyColor##3", (float*)&color, ImGuiColorEditFlags_NoInputs | ImGuiColorEditFlags_NoLabel | alpha_preview_flags); ImGui::ColorEdit4("MyColor##3", (float*)&color, ImGuiColorEditFlags_NoInputs | ImGuiColorEditFlags_NoLabel | alpha_preview_flags);
ImGui::Text("Color button with Custom Picker Popup:"); ImGui::Text("Color button with Custom Picker Popup:");
bool open_popup = ImGui::ColorButton("MyColor##3b", color, alpha_preview_flags); static bool saved_palette_inited = false;
static ImVec4 saved_palette[32];
static ImVec4 backup_color; static ImVec4 backup_color;
if (!saved_palette_inited)
for (int n = 0; n < IM_ARRAYSIZE(saved_palette); n++)
ImGui::ColorConvertHSVtoRGB(n / 31.0f, 0.8f, 0.8f, saved_palette[n].x, saved_palette[n].y, saved_palette[n].z);
bool open_popup = ImGui::ColorButton("MyColor##3b", color, alpha_preview_flags);
ImGui::SameLine(); ImGui::SameLine();
open_popup |= ImGui::Button("Palette"); open_popup |= ImGui::Button("Palette");
if (open_popup) if (open_popup)
@ -694,6 +699,7 @@ void ImGui::ShowTestWindow(bool* p_open)
} }
if (ImGui::BeginPopup("mypicker")) if (ImGui::BeginPopup("mypicker"))
{ {
// FIXME: Adding a drag and drop example here would be perfect!
ImGui::Text("MY FANCY COLOR PICKER!"); ImGui::Text("MY FANCY COLOR PICKER!");
ImGui::Separator(); ImGui::Separator();
ImGui::ColorPicker4("##picker", (float*)&color, alpha_preview_flags | ImGuiColorEditFlags_NoSidePreview | ImGuiColorEditFlags_NoColorSquare); ImGui::ColorPicker4("##picker", (float*)&color, alpha_preview_flags | ImGuiColorEditFlags_NoSidePreview | ImGuiColorEditFlags_NoColorSquare);
@ -706,15 +712,13 @@ void ImGui::ShowTestWindow(bool* p_open)
color = backup_color; color = backup_color;
ImGui::Separator(); ImGui::Separator();
ImGui::Text("Palette"); ImGui::Text("Palette");
for (int n = 0; n < 32; n++) for (int n = 0; n < IM_ARRAYSIZE(saved_palette); n++)
{ {
ImGui::PushID(n); ImGui::PushID(n);
if ((n % 8) != 0) if ((n % 8) != 0)
ImGui::SameLine(0.0f, ImGui::GetStyle().ItemSpacing.y); ImGui::SameLine(0.0f, ImGui::GetStyle().ItemSpacing.y);
ImVec4 dummy_palette_col; if (ImGui::ColorButton("##palette", saved_palette[n], ImGuiColorEditFlags_NoPicker | ImGuiColorEditFlags_NoTooltip, ImVec2(20,20)))
ImGui::ColorConvertHSVtoRGB(n / 31.0f, 0.8f, 0.8f, dummy_palette_col.x, dummy_palette_col.y, dummy_palette_col.z); color = ImVec4(saved_palette[n].x, saved_palette[n].y, saved_palette[n].z, color.w); // Preserve alpha!
if (ImGui::ColorButton("##palette", dummy_palette_col, ImGuiColorEditFlags_NoPicker | ImGuiColorEditFlags_NoTooltip, ImVec2(20,20)))
color = ImVec4(dummy_palette_col.x, dummy_palette_col.y, dummy_palette_col.z, color.w); // Preserve alpha!
ImGui::PopID(); ImGui::PopID();
} }
ImGui::EndGroup(); ImGui::EndGroup();