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Popups: fixed child windows within popups vs handling of sub menus. Added examples.

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This commit is contained in:
ocornut 2015-05-15 11:30:51 +01:00
parent 748072c045
commit d9b2a90773
1 changed files with 34 additions and 17 deletions
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51
imgui.cpp
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@ -1149,6 +1149,14 @@ struct ImGuiMouseCursorData
ImVec2 TexUvMax[2];
};
struct ImGuiPopupRef
{
ImGuiID PopupID; // Set on OpenPopup()
ImGuiWindow* Window; // Resolved on BeginPopup() - may stay unresolved if user never calls OpenPopup()
ImGuiPopupRef(ImGuiID id) { PopupID = id; Window = NULL; }
};
// Main state for ImGui
struct ImGuiState
{
@ -1183,8 +1191,8 @@ struct ImGuiState
ImVector<ImGuiColMod> ColorModifiers;
ImVector<ImGuiStyleMod> StyleModifiers;
ImVector<ImFont*> FontStack;
ImVector<ImGuiID> OpenedPopupStack; // Which popups are open
ImVector<ImGuiID> CurrentPopupStack; // Which level of BeginPopup() we are in (reset every frame)
ImVector<ImGuiPopupRef> OpenedPopupStack; // Which popups are open
ImVector<ImGuiPopupRef> CurrentPopupStack; // Which level of BeginPopup() we are in (reset every frame)
ImVec2 SetNextWindowPosVal;
ImGuiSetCond SetNextWindowPosCond;
@ -2132,12 +2140,16 @@ static void CloseInactivePopups()
return;
}
// When popups are stacked, clicking on a lower level popups puts focus back to it and close its child
IM_ASSERT(g.FocusedWindow->PopupID != 0);
for (size_t n = 0; n < g.OpenedPopupStack.size(); n++)
if (g.OpenedPopupStack[n] == g.FocusedWindow->PopupID)
// When popups are stacked, clicking on a lower level popups puts focus back to it and close popups above it
IM_ASSERT(g.FocusedWindow->RootWindow->PopupID != 0);
for (int n = 0; n < (int)g.OpenedPopupStack.size()-1; n++)
if (g.OpenedPopupStack[n].PopupID == g.FocusedWindow->RootWindow->PopupID)
{
g.OpenedPopupStack.resize(n+1);
// Don't close our own Child Popup windows
while (++n < (int)g.OpenedPopupStack.size())
if (!g.OpenedPopupStack[n].Window || !(g.OpenedPopupStack[n].Window->Flags & ImGuiWindowFlags_ChildWindow))
break;
g.OpenedPopupStack.resize(n);
return;
}
}
@ -2975,9 +2987,9 @@ void ImGui::OpenPopup(const char* str_id)
// One open popup per level of the popup hierarchy
if (g.OpenedPopupStack.size() == g.CurrentPopupStack.size())
g.OpenedPopupStack.push_back(id);
g.OpenedPopupStack.push_back(ImGuiPopupRef(id));
else if (g.OpenedPopupStack.size() == g.CurrentPopupStack.size() + 1)
g.OpenedPopupStack.back() = id;
g.OpenedPopupStack.back() = ImGuiPopupRef(id);
else
IM_ASSERT(0); // Invalid state
}
@ -2985,9 +2997,9 @@ void ImGui::OpenPopup(const char* str_id)
void ImGui::CloseCurrentPopup()
{
ImGuiState& g = *GImGui;
if (g.CurrentPopupStack.empty() || g.OpenedPopupStack.empty() || g.CurrentPopupStack.back() != g.OpenedPopupStack.back())
if (g.CurrentPopupStack.empty() || g.OpenedPopupStack.empty() || g.CurrentPopupStack.back().PopupID != g.OpenedPopupStack.back().PopupID)
return;
if (g.Windows.back()->PopupID == g.OpenedPopupStack.back() && g.Windows.size() >= 2)
if (g.Windows.back()->PopupID == g.OpenedPopupStack.back().PopupID && g.Windows.size() >= 2)
FocusWindow(g.Windows[g.Windows.size()-2]);
g.OpenedPopupStack.pop_back();
}
@ -3003,7 +3015,7 @@ static void CloseAllPopups()
static bool IsPopupOpen(ImGuiID id)
{
ImGuiState& g = *GImGui;
const bool opened = g.OpenedPopupStack.size() > g.CurrentPopupStack.size() && g.OpenedPopupStack[g.CurrentPopupStack.size()] == id;
const bool opened = g.OpenedPopupStack.size() > g.CurrentPopupStack.size() && g.OpenedPopupStack[g.CurrentPopupStack.size()].PopupID == id;
return opened;
}
@ -3291,10 +3303,11 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
bool window_was_visible = (window->LastFrameDrawn == current_frame - 1); // Not using !WasActive because the implicit "Debug" window would always toggle off->on
if (flags & ImGuiWindowFlags_Popup)
{
const ImGuiID popup_id = g.OpenedPopupStack[g.CurrentPopupStack.size()];
g.CurrentPopupStack.push_back(popup_id);
window_was_visible &= (window->PopupID == popup_id);
window->PopupID = popup_id;
ImGuiPopupRef& popup_ref = g.OpenedPopupStack[g.CurrentPopupStack.size()];
window_was_visible &= (window->PopupID == popup_ref.PopupID);
popup_ref.Window = window;
g.CurrentPopupStack.push_back(popup_ref);
window->PopupID = popup_ref.PopupID;
}
// Process SetNextWindow***() calls
@ -10237,7 +10250,7 @@ void ImGui::ShowTestWindow(bool* opened)
ImGui::MenuItem(names[i], "", &toggles[i]);
if (ImGui::BeginMenu("Sub-menu"))
{
ImGui::MenuItem("Hello");
ImGui::MenuItem("Click me");
ImGui::EndMenu();
}
@ -10284,6 +10297,10 @@ void ImGui::ShowTestWindow(bool* opened)
static bool enabled = true;
static float f = 0.5f;
ImGui::MenuItem("Enabled", "", &enabled);
ImGui::BeginChild("child", ImVec2(0, 60), true);
for (int i = 0; i < 10; i++)
ImGui::Text("Scrolling Text %d", i);
ImGui::EndChild();
ImGui::SliderFloat("Value", &f, 0.0f, 1.0f);
ImGui::EndMenu();
}