WIP Menus: sub-menu arrow alignment take account of extension by other widgets (#126)

This commit is contained in:
ocornut 2015-05-11 20:58:07 +01:00
parent 5082182790
commit 317744489f

View File

@ -1005,8 +1005,7 @@ struct ImGuiSimpleColumns
{
Count = count;
Width = 0.0f;
if (clear)
memset(NextWidths, 0, sizeof(NextWidths));
if (clear) memset(NextWidths, 0, sizeof(NextWidths));
for (int i = 0; i < Count; i++)
{
if (i > 0 && NextWidths[i] > 0.0f)
@ -1022,6 +1021,14 @@ struct ImGuiSimpleColumns
NextWidths[1] = ImMax(NextWidths[1], w1);
NextWidths[2] = ImMax(NextWidths[2], w2);
}
void FillExtraSpace(float avail_w, int column_no)
{
if (Width >= avail_w) return;
float extra_w = avail_w - Width;
Width = avail_w;
for (int i = column_no+1; i < Count; i++)
Pos[i] += extra_w;
}
};
// Temporary per-window data, reset at the beginning of the frame
@ -7381,24 +7388,23 @@ bool ImGui::MenuItem(const char* label, const char* shortcut, bool selected)
return false;
ImVec2 pos = ImGui::GetCursorScreenPos();
const ImVec2 label_size = CalcTextSize(label, NULL, true);
const ImVec2 shortcut_size = shortcut ? CalcTextSize(shortcut, NULL) : ImVec2(0.0f, 0.0f);
window->MenuColumns.Extend(label_size.x, shortcut_size.x, g.FontSize * 1.20f); // Feedback for next frame
ImVec2 label_size = CalcTextSize(label, NULL, true);
ImVec2 shortcut_size = shortcut ? CalcTextSize(shortcut, NULL) : ImVec2(0.0f, 0.0f);
window->MenuColumns.Extend(label_size.x, shortcut_size.x, g.FontSize * 1.10f); // Feedback for next frame
window->MenuColumns.FillExtraSpace(window->Pos.x + ImGui::GetContentRegionMax().x - window->DC.CursorPos.x, 0);
const float avail_w = window->Pos.x + ImGui::GetContentRegionMax().x - window->DC.CursorPos.x;
const float w = ImMax(avail_w, window->MenuColumns.Width); // Feedback from previous frame
const float extra_w = w - window->MenuColumns.Width;
float w = window->MenuColumns.Width;
bool pressed = ImGui::Selectable(label, false, ImVec2(w, 0.0f));
if (shortcut_size.x > 0.0f)
{
ImGui::PushStyleColor(ImGuiCol_Text, g.Style.Colors[ImGuiCol_TextDisabled]);
RenderText(pos + ImVec2(window->MenuColumns.Pos[1] + extra_w, 0.0f), shortcut, NULL, false);
RenderText(pos + ImVec2(window->MenuColumns.Pos[1], 0.0f), shortcut, NULL, false);
ImGui::PopStyleColor();
}
if (selected)
RenderCheckMark(pos + ImVec2(window->MenuColumns.Pos[2] + extra_w, 0.0f), window->Color(ImGuiCol_Text));
RenderCheckMark(pos + ImVec2(window->MenuColumns.Pos[2] + g.FontSize * 0.10f, 0.0f), window->Color(ImGuiCol_Text));
return pressed;
}
@ -7425,13 +7431,14 @@ bool ImGui::BeginMenu(const char* label)
const ImGuiID id = window->GetID(label);
bool opened = IsPopupOpen(id);
const ImVec2 pos = ImGui::GetCursorScreenPos();
const ImVec2 label_size = CalcTextSize(label, NULL, true);
window->MenuColumns.Extend(label_size.x, 0.0f, g.FontSize * 1.20f); // Feedback to next frame
ImVec2 pos = ImGui::GetCursorScreenPos();
ImVec2 label_size = CalcTextSize(label, NULL, true);
window->MenuColumns.Extend(label_size.x, 0.0f, g.FontSize * 1.10f); // Feedback to next frame
window->MenuColumns.FillExtraSpace(window->Pos.x + ImGui::GetContentRegionMax().x - window->DC.CursorPos.x, 0);
const float w = window->MenuColumns.Width; // Feedback from next frame
float w = window->MenuColumns.Width;
ImGui::Selectable(label, opened, ImVec2(w, 0.0f));
RenderCollapseTriangle(pos + ImVec2(w - g.FontSize, 0.0f), false);
RenderCollapseTriangle(pos + ImVec2(window->MenuColumns.Pos[2] + g.FontSize * 0.20f, 0.0f), false);
bool hovered = ImGui::IsItemHovered();
if (!opened && hovered)
@ -10273,6 +10280,11 @@ void ImGui::ShowTestWindow(bool* opened)
{
for (int i = 0; i < IM_ARRAYSIZE(names); i++)
ImGui::MenuItem(names[i], "", &toggles[i]);
if (ImGui::BeginMenu("Sub-menu"))
{
ImGui::MenuItem("Hello");
ImGui::EndMenu();
}
ImGui::Separator();
ImGui::Text("Tooltip here");