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Docking: Added Docking system. Enable with io.ConfigFlags |= ImGuiConfigFlags_DockingEnable. (Part 1) (#351)

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omar
2018-09-06 21:19:22 +02:00
parent 5adcb9ce6d
commit bd5b38e232
6 changed files with 343 additions and 25 deletions
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34
imgui_draw.cpp
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@@ -210,6 +210,8 @@ void ImGui::StyleColorsDark(ImGuiStyle* dst)
colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
colors[ImGuiCol_DockingPreview] = colors[ImGuiCol_HeaderActive] * ImVec4(1.0f, 1.0f, 1.0f, 0.7f);
colors[ImGuiCol_DockingBg] = ImVec4(0.20f, 0.20f, 0.20f, 1.00f);;
colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
@@ -265,6 +267,8 @@ void ImGui::StyleColorsClassic(ImGuiStyle* dst)
colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
colors[ImGuiCol_DockingPreview] = colors[ImGuiCol_Header] * ImVec4(1.0f, 1.0f, 1.0f, 0.7f);
colors[ImGuiCol_DockingBg] = ImVec4(0.20f, 0.20f, 0.20f, 1.00f);;
colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
@@ -321,6 +325,8 @@ void ImGui::StyleColorsLight(ImGuiStyle* dst)
colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
colors[ImGuiCol_DockingPreview] = colors[ImGuiCol_Header] * ImVec4(1.0f, 1.0f, 1.0f, 0.7f);
colors[ImGuiCol_DockingBg] = ImVec4(0.20f, 0.20f, 0.20f, 1.00f);;
colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
@@ -2831,8 +2837,10 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col
// (progressively moved from imgui.cpp to here when they are redesigned to stop accessing ImGui global state)
//-----------------------------------------------------------------------------
// - RenderMouseCursor()
// - RenderArrowDockMenu()
// - RenderArrowPointingAt()
// - RenderRectFilledRangeH()
// - RenderRectFilledWithHole()
// - RenderPixelEllipsis()
//-----------------------------------------------------------------------------
@@ -2874,6 +2882,14 @@ void ImGui::RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half
}
}
// This is less wide than RenderArrow() and we use in dock nodes instead of the regular RenderArrow() to denote a change of functionality,
// and because the saved space means that the left-most tab label can stay at exactly the same position as the label of a loose window.
void ImGui::RenderArrowDockMenu(ImDrawList* draw_list, ImVec2 p_min, float sz, ImU32 col)
{
draw_list->AddRectFilled(p_min + ImVec2(sz * 0.10f, sz * 0.15f), p_min + ImVec2(sz * 0.70f, sz * 0.30f), col);
RenderArrowPointingAt(draw_list, p_min + ImVec2(sz * 0.40f, sz * 0.85f), ImVec2(sz * 0.30f, sz * 0.40f), ImGuiDir_Down, col);
}
static inline float ImAcos01(float x)
{
if (x <= 0.0f) return IM_PI * 0.5f;
@@ -2942,6 +2958,24 @@ void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, Im
draw_list->PathFillConvex(col);
}
// For CTRL+TAB within a docking node we need to render the dimming background in 8 steps
// (Because the root node renders the background in one shot, in order to avoid flickering when a child dock node is not submitted)
void ImGui::RenderRectFilledWithHole(ImDrawList* draw_list, ImRect outer, ImRect inner, ImU32 col, float rounding)
{
const bool fill_L = (inner.Min.x > outer.Min.x);
const bool fill_R = (inner.Max.x < outer.Max.x);
const bool fill_U = (inner.Min.y > outer.Min.y);
const bool fill_D = (inner.Max.y < outer.Max.y);
if (fill_L) draw_list->AddRectFilled(ImVec2(outer.Min.x, inner.Min.y), ImVec2(inner.Min.x, inner.Max.y), col, rounding, (fill_U ? 0 : ImDrawCornerFlags_TopLeft) | (fill_D ? 0 : ImDrawCornerFlags_BotLeft));
if (fill_R) draw_list->AddRectFilled(ImVec2(inner.Max.x, inner.Min.y), ImVec2(outer.Max.x, inner.Max.y), col, rounding, (fill_U ? 0 : ImDrawCornerFlags_TopRight) | (fill_D ? 0 : ImDrawCornerFlags_BotRight));
if (fill_U) draw_list->AddRectFilled(ImVec2(inner.Min.x, outer.Min.y), ImVec2(inner.Max.x, inner.Min.y), col, rounding, (fill_L ? 0 : ImDrawCornerFlags_TopLeft) | (fill_R ? 0 : ImDrawCornerFlags_TopRight));
if (fill_D) draw_list->AddRectFilled(ImVec2(inner.Min.x, inner.Max.y), ImVec2(inner.Max.x, outer.Max.y), col, rounding, (fill_L ? 0 : ImDrawCornerFlags_BotLeft) | (fill_R ? 0 : ImDrawCornerFlags_BotRight));
if (fill_L && fill_U) draw_list->AddRectFilled(ImVec2(outer.Min.x, outer.Min.y), ImVec2(inner.Min.x, inner.Min.y), col, rounding, ImDrawCornerFlags_TopLeft);
if (fill_R && fill_U) draw_list->AddRectFilled(ImVec2(inner.Max.x, outer.Min.y), ImVec2(outer.Max.x, inner.Min.y), col, rounding, ImDrawCornerFlags_TopRight);
if (fill_L && fill_D) draw_list->AddRectFilled(ImVec2(outer.Min.x, inner.Max.y), ImVec2(inner.Min.x, outer.Max.y), col, rounding, ImDrawCornerFlags_BotLeft);
if (fill_R && fill_D) draw_list->AddRectFilled(ImVec2(inner.Max.x, inner.Max.y), ImVec2(outer.Max.x, outer.Max.y), col, rounding, ImDrawCornerFlags_BotRight);
}
// FIXME: Rendering an ellipsis "..." is a surprisingly tricky problem... can't rely on font glyph having it, and regular dot are typically too wide.
// If we render a dot/shape ourselves it comes with the risk that it wouldn't match the boldness or positioning of what the font uses...
void ImGui::RenderPixelEllipsis(ImDrawList* draw_list, ImFont* font, ImVec2 pos, int count, ImU32 col)