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DPL GUI: improve legend #5845

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Merged
ktf merged 1 commit into from
Apr 1, 2021
Merged

DPL GUI: improve legend #5845

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62 changes: 33 additions & 29 deletions Framework/GUISupport/src/FrameworkGUIDevicesGraph.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -85,11 +85,12 @@ const static ImColor LEGEND_COLOR = {100, 100, 100};
const static float GRID_SZ = 64.0f;
const static float ARROW_THICKNESS = 3.f;
const static float NODE_BORDER_THICKNESS = 4.f;
const static float LEGEND_FONT_SIZE = 12;
const static float LEGEND_INTERLINE_SIZE = 2;
const static ImVec2 LEGEND_PADDING = {20, 8};
const static ImVec2 LEGEND_BOX_PADDING = {2, 2};
const static ImVec2 LEGEND_BOX_SIZE = {10, 12};
const static ImVec4 LEGEND_BACKGROUND_COLOR = {0.125, 0.180, 0.196, 1};

const static ImColor SLOT_EMPTY_COLOR = {70, 70, 70, 255};
const static ImColor SLOT_PENDING_COLOR = PaletteHelpers::RED;
const static ImColor SLOT_DISPATCHED_COLOR = PaletteHelpers::YELLOW;
const static ImColor SLOT_DONE_COLOR = PaletteHelpers::GREEN;

/// Displays a grid
void displayGrid(bool show_grid, ImVec2 offset, ImDrawList* draw_list)
Expand All @@ -112,30 +113,33 @@ void displayLegend(bool show_legend, ImVec2 offset, ImDrawList* draw_list)
if (show_legend == false) {
return;
}
ImVec2 win_pos = ImGui::GetCursorScreenPos();
ImVec2 canvas_sz = ImGui::GetWindowSize();
ImVec2 legend_top_left = canvas_sz;
legend_top_left.x *= 0.7;
legend_top_left.y *= 0.1;
ImVec2 legend_bottom_right = canvas_sz;
legend_bottom_right.x *= 0.95;
legend_bottom_right.y *= 0.3;
ImVec2 canvas_offset = {200, 20};

ImColor(70, 70, 70, 255);
draw_list->AddRectFilled(canvas_offset + legend_top_left, canvas_offset + legend_bottom_right, LEGEND_COLOR);
draw_list->AddRectFilled(canvas_offset + legend_top_left + LEGEND_BOX_PADDING + ImVec2{0, (LEGEND_FONT_SIZE + LEGEND_INTERLINE_SIZE) * 0},
canvas_offset + legend_top_left - LEGEND_BOX_PADDING + ImVec2{0, (LEGEND_FONT_SIZE + LEGEND_INTERLINE_SIZE) * 1} + LEGEND_BOX_SIZE, ImColor(70, 70, 70, 255));
draw_list->AddRectFilled(canvas_offset + legend_top_left + LEGEND_BOX_PADDING + ImVec2{0, (LEGEND_FONT_SIZE + LEGEND_INTERLINE_SIZE) * 1},
canvas_offset + legend_top_left - LEGEND_BOX_PADDING + ImVec2{0, (LEGEND_FONT_SIZE + LEGEND_INTERLINE_SIZE) * 2} + LEGEND_BOX_SIZE, ImColor(PaletteHelpers::RED));
draw_list->AddRectFilled(canvas_offset + legend_top_left + LEGEND_BOX_PADDING + ImVec2{0, (LEGEND_FONT_SIZE + LEGEND_INTERLINE_SIZE) * 2},
canvas_offset + legend_top_left - LEGEND_BOX_PADDING + ImVec2{0, (LEGEND_FONT_SIZE + LEGEND_INTERLINE_SIZE) * 3} + LEGEND_BOX_SIZE, ImColor(PaletteHelpers::YELLOW));
draw_list->AddRectFilled(canvas_offset + legend_top_left + LEGEND_BOX_PADDING + ImVec2{0, (LEGEND_FONT_SIZE + LEGEND_INTERLINE_SIZE) * 3},
canvas_offset + legend_top_left - LEGEND_BOX_PADDING + ImVec2{0, (LEGEND_FONT_SIZE + LEGEND_INTERLINE_SIZE) * 4} + LEGEND_BOX_SIZE, ImColor(PaletteHelpers::GREEN));
draw_list->AddText(canvas_offset + LEGEND_PADDING + ImVec2{0, (LEGEND_FONT_SIZE + LEGEND_INTERLINE_SIZE) * 0} + legend_top_left, ImColor(PaletteHelpers::BLACK), "Slot empty");
draw_list->AddText(canvas_offset + LEGEND_PADDING + ImVec2{0, (LEGEND_FONT_SIZE + LEGEND_INTERLINE_SIZE) * 1} + legend_top_left, ImColor(PaletteHelpers::RED), "Slot pending");
draw_list->AddText(canvas_offset + LEGEND_PADDING + ImVec2{0, (LEGEND_FONT_SIZE + LEGEND_INTERLINE_SIZE) * 2} + legend_top_left, ImColor(PaletteHelpers::YELLOW), "Timeslice dispatched");
draw_list->AddText(canvas_offset + LEGEND_PADDING + ImVec2{0, (LEGEND_FONT_SIZE + LEGEND_INTERLINE_SIZE) * 3} + legend_top_left, ImColor(PaletteHelpers::GREEN), "Timeslice done");
struct LegendItem {
std::string label;
ImVec4 color;
};
static auto legend = {
LegendItem{" Slot empty", SLOT_EMPTY_COLOR},
LegendItem{" Slot pending", SLOT_PENDING_COLOR},
LegendItem{" Slot dispatched", SLOT_DISPATCHED_COLOR},
LegendItem{" Slot done", SLOT_DONE_COLOR},
};
ImGui::PushStyleColor(ImGuiCol_WindowBg, LEGEND_BACKGROUND_COLOR);
ImGui::PushStyleColor(ImGuiCol_TitleBg, LEGEND_BACKGROUND_COLOR);
ImGui::PushStyleColor(ImGuiCol_ResizeGrip, 0);

ImGui::Begin("Legend");
ImGui::Dummy(ImVec2(0.0f, 10.0f));
for (auto [label, color] : legend) {
ImVec2 vMin = ImGui::GetWindowPos() + ImGui::GetCursorPos() + ImVec2(9, 0);
ImVec2 vMax = vMin + ImGui::CalcTextSize(" ");
ImGui::PushStyleColor(ImGuiCol_ChildBg, color);
ImGui::GetWindowDrawList()->AddRectFilled(vMin, vMax, ImColor(color));
ImGui::GetWindowDrawList()->AddRect(vMin, vMax, GRID_COLOR);
ImGui::Text("%s", label.data());
ImGui::PopStyleColor();
}
ImGui::End();
ImGui::PopStyleColor(3);
}

#define MAX_GROUP_NAME_SIZE 128
Expand Down