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SetNextWindowPos: added a ImVec2 pivot parameter for positioning a given a center, bottom-right position, etc. As a generalization of SetNextWindowPosCenter() which is now obsolete. This will be useful for combo-like popups as well.

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Demo: Simple-overlay window uses the SetWindowPos pivot to select a corner to position itself at.
This commit is contained in:
omar
2017-09-25 18:25:43 +02:00
parent 0a55573288
commit 4b82759598
4 changed files with 46 additions and 27 deletions
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28
imgui_demo.cpp
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@@ -1434,7 +1434,7 @@ void ImGui::ShowTestWindow(bool* p_open)
ImGui::OpenPopup("Delete?");
if (ImGui::BeginPopupModal("Delete?", NULL, ImGuiWindowFlags_AlwaysAutoResize))
{
ImGui::Text("All those beautiful files will be deleted.\nThis operation cannot be undone!\n\n");
ImGui::Text("All those beautiful files will be deleted.\nThis operation cannot be undone!\n\n");
ImGui::Separator();
//static int dummy_i = 0;
@@ -2114,20 +2114,30 @@ static void ShowExampleAppConstrainedResize(bool* p_open)
ImGui::End();
}
// Demonstrate creating a simple static window with no decoration.
// Demonstrate creating a simple static window with no decoration + a context-menu to choose which corner of the screen to use.
static void ShowExampleAppFixedOverlay(bool* p_open)
{
ImGui::SetNextWindowPos(ImVec2(10,10));
const float DISTANCE = 10.0f;
static int corner = 0;
ImVec2 window_pos = ImVec2((corner & 1) ? ImGui::GetIO().DisplaySize.x - DISTANCE : DISTANCE, (corner & 2) ? ImGui::GetIO().DisplaySize.y - DISTANCE : DISTANCE);
ImVec2 window_pos_pivot = ImVec2((corner & 1) ? 1.0f : 0.0f, (corner & 2) ? 1.0f : 0.0f);
ImGui::SetNextWindowPos(window_pos, ImGuiCond_Always, window_pos_pivot);
ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(0.0f, 0.0f, 0.0f, 0.3f));
if (!ImGui::Begin("Example: Fixed Overlay", p_open, ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoMove|ImGuiWindowFlags_NoSavedSettings))
if (ImGui::Begin("Example: Fixed Overlay", p_open, ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoMove|ImGuiWindowFlags_NoSavedSettings))
{
ImGui::Text("Simple overlay\nin the corner of the screen.\n(right-click to change position)");
ImGui::Separator();
ImGui::Text("Mouse Position: (%.1f,%.1f)", ImGui::GetIO().MousePos.x, ImGui::GetIO().MousePos.y);
if (ImGui::BeginPopupContextWindow())
{
if (ImGui::MenuItem("Top-left", NULL, corner == 0)) corner = 0;
if (ImGui::MenuItem("Top-right", NULL, corner == 1)) corner = 1;
if (ImGui::MenuItem("Bottom-left", NULL, corner == 2)) corner = 2;
if (ImGui::MenuItem("Bottom-right", NULL, corner == 3)) corner = 3;
ImGui::EndPopup();
}
ImGui::End();
return;
}
ImGui::Text("Simple overlay\non the top-left side of the screen.");
ImGui::Separator();
ImGui::Text("Mouse Position: (%.1f,%.1f)", ImGui::GetIO().MousePos.x, ImGui::GetIO().MousePos.y);
ImGui::End();
ImGui::PopStyleColor();
}