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@@ -533,6 +533,10 @@ static void ShowDemoWindowWidgets()
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if (!ImGui::CollapsingHeader("Widgets"))
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return;
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+ static bool disable_all = false; // The Checkbox for that is inside the "Disabled" section at the bottom
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+ if (disable_all)
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+ ImGui::BeginDisabled();
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+
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if (ImGui::TreeNode("Basic"))
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{
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static int clicked = 0;
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@@ -2181,7 +2185,7 @@ static void ShowDemoWindowWidgets()
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ImGui::TreePop();
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}
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- if (ImGui::TreeNode("Querying Status (Edited/Active/Focused/Hovered etc.)"))
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+ if (ImGui::TreeNode("Querying Status (Edited/Active/Hovered etc.)"))
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{
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// Select an item type
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const char* item_names[] =
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@@ -2189,16 +2193,20 @@ static void ShowDemoWindowWidgets()
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"Text", "Button", "Button (w/ repeat)", "Checkbox", "SliderFloat", "InputText", "InputFloat",
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"InputFloat3", "ColorEdit4", "Selectable", "MenuItem", "TreeNode", "TreeNode (w/ double-click)", "Combo", "ListBox"
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};
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- static int item_type = 1;
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+ static int item_type = 4;
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+ static bool item_disabled = false;
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ImGui::Combo("Item Type", &item_type, item_names, IM_ARRAYSIZE(item_names), IM_ARRAYSIZE(item_names));
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ImGui::SameLine();
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HelpMarker("Testing how various types of items are interacting with the IsItemXXX functions. Note that the bool return value of most ImGui function is generally equivalent to calling ImGui::IsItemHovered().");
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+ ImGui::Checkbox("Item Disabled", &item_disabled);
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// Submit selected item item so we can query their status in the code following it.
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bool ret = false;
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static bool b = false;
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static float col4f[4] = { 1.0f, 0.5, 0.0f, 1.0f };
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static char str[16] = {};
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+ if (item_disabled)
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+ ImGui::BeginDisabled(true);
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if (item_type == 0) { ImGui::Text("ITEM: Text"); } // Testing text items with no identifier/interaction
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if (item_type == 1) { ret = ImGui::Button("ITEM: Button"); } // Testing button
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if (item_type == 2) { ImGui::PushButtonRepeat(true); ret = ImGui::Button("ITEM: Button"); ImGui::PopButtonRepeat(); } // Testing button (with repeater)
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@@ -2226,6 +2234,7 @@ static void ShowDemoWindowWidgets()
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"IsItemHovered(_AllowWhenBlockedByPopup) = %d\n"
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"IsItemHovered(_AllowWhenBlockedByActiveItem) = %d\n"
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"IsItemHovered(_AllowWhenOverlapped) = %d\n"
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+ "IsItemHovered(_AllowWhenDisabled) = %d\n"
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"IsItemHovered(_RectOnly) = %d\n"
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"IsItemActive() = %d\n"
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"IsItemEdited() = %d\n"
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@@ -2244,6 +2253,7 @@ static void ShowDemoWindowWidgets()
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ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup),
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ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem),
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ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenOverlapped),
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+ ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenDisabled),
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ImGui::IsItemHovered(ImGuiHoveredFlags_RectOnly),
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ImGui::IsItemActive(),
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ImGui::IsItemEdited(),
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@@ -2258,6 +2268,9 @@ static void ShowDemoWindowWidgets()
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ImGui::GetItemRectSize().x, ImGui::GetItemRectSize().y
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);
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+ if (item_disabled)
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+ ImGui::EndDisabled();
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+
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static bool embed_all_inside_a_child_window = false;
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ImGui::Checkbox("Embed everything inside a child window (for additional testing)", &embed_all_inside_a_child_window);
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if (embed_all_inside_a_child_window)
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@@ -2327,6 +2340,18 @@ static void ShowDemoWindowWidgets()
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ImGui::TreePop();
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}
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+
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+ // Demonstrate BeginDisabled/EndDisabled using a checkbox located at the bottom of the section (which is a bit odd:
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+ // logically we'd have this checkbox at the top of the section, but we don't want this feature to steal that space)
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+ if (disable_all)
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+ ImGui::EndDisabled();
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+
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+ if (ImGui::TreeNode("Disable block"))
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+ {
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+ ImGui::Checkbox("Disable entire section above", &disable_all);
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+ ImGui::SameLine(); HelpMarker("Demonstrate using BeginDisabled()/EndDisabled() across this section.");
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+ ImGui::TreePop();
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+ }
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}
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static void ShowDemoWindowLayout()
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@@ -2396,7 +2421,7 @@ static void ShowDemoWindowLayout()
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// You can also call SetNextWindowPos() to position the child window. The parent window will effectively
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// layout from this position.
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// - Using ImGui::GetItemRectMin/Max() to query the "item" state (because the child window is an item from
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- // the POV of the parent window). See 'Demo->Querying Status (Active/Focused/Hovered etc.)' for details.
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+ // the POV of the parent window). See 'Demo->Querying Status (Edited/Active/Hovered etc.)' for details.
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{
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static int offset_x = 0;
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ImGui::SetNextItemWidth(ImGui::GetFontSize() * 8);
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@@ -6041,6 +6066,7 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
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HelpMarker("When drawing circle primitives with \"num_segments == 0\" tesselation will be calculated automatically.");
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ImGui::DragFloat("Global Alpha", &style.Alpha, 0.005f, 0.20f, 1.0f, "%.2f"); // Not exposing zero here so user doesn't "lose" the UI (zero alpha clips all widgets). But application code could have a toggle to switch between zero and non-zero.
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+ ImGui::DragFloat("Disabled Alpha", &style.DisabledAlpha, 0.005f, 0.0f, 1.0f, "%.2f"); ImGui::SameLine(); HelpMarker("Additional alpha multiplier for disabled items (multiply over current value of Alpha).");
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ImGui::PopItemWidth();
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ImGui::EndTabItem();
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