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Demo: Tweak "child windows" section. (#3318)

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This commit is contained in:
omar 2020-07-16 17:20:24 +02:00
parent eefae08261
commit 825f2ae455
2 changed files with 8 additions and 15 deletions
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1
docs/CHANGELOG.txt
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@ -53,6 +53,7 @@ Other Changes:
- Clear ImFontAtlasFlags_NoBakedLines in ImFontAtlas::Flags to disable baking data in texture. - Clear ImFontAtlasFlags_NoBakedLines in ImFontAtlas::Flags to disable baking data in texture.
- ImDrawList: Fixed minor bug introduced in 1.75 where AddCircle() with 12 segments would generate - ImDrawList: Fixed minor bug introduced in 1.75 where AddCircle() with 12 segments would generate
an extra vertex. (This bug was mistakenly marked as fixed in earlier 1.77 release). [@ShironekoBen] an extra vertex. (This bug was mistakenly marked as fixed in earlier 1.77 release). [@ShironekoBen]
- Demo: Tweak "Child Windows" section.
- Backends: OpenGL3: Added support for glad2 loader. (#3330) [@moritz-h] - Backends: OpenGL3: Added support for glad2 loader. (#3330) [@moritz-h]

22
imgui_demo.cpp
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@ -1969,12 +1969,6 @@ static void ShowDemoWindowLayout()
ImGui::Checkbox("Disable Mouse Wheel", &disable_mouse_wheel); ImGui::Checkbox("Disable Mouse Wheel", &disable_mouse_wheel);
ImGui::Checkbox("Disable Menu", &disable_menu); ImGui::Checkbox("Disable Menu", &disable_menu);
static int line = 50;
bool goto_line = ImGui::Button("Goto");
ImGui::SameLine();
ImGui::SetNextItemWidth(100);
goto_line |= ImGui::InputInt("##Line", &line, 0, 0, ImGuiInputTextFlags_EnterReturnsTrue);
// Child 1: no border, enable horizontal scrollbar // Child 1: no border, enable horizontal scrollbar
{ {
ImGuiWindowFlags window_flags = ImGuiWindowFlags_HorizontalScrollbar; ImGuiWindowFlags window_flags = ImGuiWindowFlags_HorizontalScrollbar;
@ -1982,13 +1976,7 @@ static void ShowDemoWindowLayout()
window_flags |= ImGuiWindowFlags_NoScrollWithMouse; window_flags |= ImGuiWindowFlags_NoScrollWithMouse;
ImGui::BeginChild("ChildL", ImVec2(ImGui::GetWindowContentRegionWidth() * 0.5f, 260), false, window_flags); ImGui::BeginChild("ChildL", ImVec2(ImGui::GetWindowContentRegionWidth() * 0.5f, 260), false, window_flags);
for (int i = 0; i < 100; i++) for (int i = 0; i < 100; i++)
{
ImGui::Text("%04d: scrollable region", i); ImGui::Text("%04d: scrollable region", i);
if (goto_line && line == i)
ImGui::SetScrollHereY();
}
if (goto_line && line >= 100)
ImGui::SetScrollHereY();
ImGui::EndChild(); ImGui::EndChild();
} }
@ -2034,15 +2022,21 @@ static void ShowDemoWindowLayout()
// - Using ImGui::GetItemRectMin/Max() to query the "item" state (because the child window is an item from // - Using ImGui::GetItemRectMin/Max() to query the "item" state (because the child window is an item from
// the POV of the parent window). See 'Demo->Querying Status (Active/Focused/Hovered etc.)' for details. // the POV of the parent window). See 'Demo->Querying Status (Active/Focused/Hovered etc.)' for details.
{ {
ImGui::SetCursorPosX(ImGui::GetCursorPosX() + 10); static int offset_x = 0;
ImGui::SetNextItemWidth(100);
ImGui::DragInt("Offset X", &offset_x, 1.0f, -1000, 1000);
ImGui::SetCursorPosX(ImGui::GetCursorPosX() + (float)offset_x);
ImGui::PushStyleColor(ImGuiCol_ChildBg, IM_COL32(255, 0, 0, 100)); ImGui::PushStyleColor(ImGuiCol_ChildBg, IM_COL32(255, 0, 0, 100));
ImGui::BeginChild("Red", ImVec2(200, 100), true, ImGuiWindowFlags_None); ImGui::BeginChild("Red", ImVec2(200, 100), true, ImGuiWindowFlags_None);
for (int n = 0; n < 50; n++) for (int n = 0; n < 50; n++)
ImGui::Text("Some test %d", n); ImGui::Text("Some test %d", n);
ImGui::EndChild(); ImGui::EndChild();
bool child_is_hovered = ImGui::IsItemHovered();
ImVec2 child_rect_min = ImGui::GetItemRectMin(); ImVec2 child_rect_min = ImGui::GetItemRectMin();
ImVec2 child_rect_max = ImGui::GetItemRectMax(); ImVec2 child_rect_max = ImGui::GetItemRectMax();
ImGui::PopStyleColor(); ImGui::PopStyleColor();
ImGui::Text("Hovered: %d", child_is_hovered);
ImGui::Text("Rect of child window is: (%.0f,%.0f) (%.0f,%.0f)", child_rect_min.x, child_rect_min.y, child_rect_max.x, child_rect_max.y); ImGui::Text("Rect of child window is: (%.0f,%.0f) (%.0f,%.0f)", child_rect_min.x, child_rect_min.y, child_rect_max.x, child_rect_max.y);
} }
@ -2428,8 +2422,6 @@ static void ShowDemoWindowLayout()
static float scroll_to_pos_px = 200.0f; static float scroll_to_pos_px = 200.0f;
ImGui::Checkbox("Decoration", &enable_extra_decorations); ImGui::Checkbox("Decoration", &enable_extra_decorations);
ImGui::SameLine();
HelpMarker("We expose this for testing because scrolling sometimes had issues with window decoration such as menu-bars.");
ImGui::Checkbox("Track", &enable_track); ImGui::Checkbox("Track", &enable_track);
ImGui::PushItemWidth(100); ImGui::PushItemWidth(100);