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Demo: Added simple item reordering demo in Widgets -> Drag and Drop section. (#2823, #143) [@rokups]
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@ -40,6 +40,7 @@ Other Changes:
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- InputText, Nav: Fixed Home/End key broken when activating Keyboard Navigation. (#787)
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- TreeNode: Fixed combination of ImGuiTreeNodeFlags_SpanFullWidth and ImGuiTreeNodeFlags_OpenOnArrow
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incorrectly locating the arrow hit position to the left of the frame. (#2451, #2438, #1897)
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- Demo: Added simple item reordering demo in Widgets -> Drag and Drop section. (#2823, #143) [@rokups]
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-----------------------------------------------------------------------
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@ -1506,24 +1506,21 @@ static void ShowDemoWindowWidgets()
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if (ImGui::TreeNode("Drag and Drop"))
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{
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if (ImGui::TreeNode("Drag and drop in standard widgets"))
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{
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// ColorEdit widgets automatically act as drag source and drag target.
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// They are using standardized payload strings IMGUI_PAYLOAD_TYPE_COLOR_3F and IMGUI_PAYLOAD_TYPE_COLOR_4F to allow your own widgets
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// to use colors in their drag and drop interaction. Also see the demo in Color Picker -> Palette demo.
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ImGui::BulletText("Drag and drop in standard widgets");
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ImGui::SameLine();
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HelpMarker("You can drag from the colored squares.");
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ImGui::Indent();
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static float col1[3] = { 1.0f,0.0f,0.2f };
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static float col2[4] = { 0.4f,0.7f,0.0f,0.5f };
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static float col1[3] = { 1.0f, 0.0f, 0.2f };
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static float col2[4] = { 0.4f, 0.7f, 0.0f, 0.5f };
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ImGui::ColorEdit3("color 1", col1);
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ImGui::ColorEdit4("color 2", col2);
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ImGui::Unindent();
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ImGui::TreePop();
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}
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if (ImGui::TreeNode("Drag and drop to copy/swap items"))
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{
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ImGui::BulletText("Drag and drop to copy/swap items");
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ImGui::Indent();
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enum Mode
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{
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Mode_Copy,
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@ -1577,7 +1574,31 @@ static void ShowDemoWindowWidgets()
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}
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ImGui::PopID();
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}
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ImGui::Unindent();
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ImGui::TreePop();
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}
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if (ImGui::TreeNode("Drag to reorder items (simple)"))
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{
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// Simple reordering
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HelpMarker("We don't use the drag and drop api at all here! Instead we query when the item is held but not hovered, and order items accordingly.");
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static const char* item_names[] = { "Item One", "Item Two", "Item Three", "Item Four", "Item Five" };
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for (int n = 0; n < IM_ARRAYSIZE(item_names); n++)
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{
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const char* item = item_names[n];
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ImGui::Selectable(item);
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if (ImGui::IsItemActive() && !ImGui::IsItemHovered())
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{
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int n_next = n + (ImGui::GetMouseDragDelta(0).y < 0.f ? -1 : 1);
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if (n_next >= 0 && n_next < IM_ARRAYSIZE(item_names))
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{
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item_names[n] = item_names[n_next];
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item_names[n_next] = item;
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ImGui::ResetMouseDragDelta();
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}
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}
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}
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ImGui::TreePop();
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}
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ImGui::TreePop();
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@ -1607,10 +1628,10 @@ static void ShowDemoWindowWidgets()
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if (item_type == 10){ ret = ImGui::TreeNodeEx("ITEM: TreeNode w/ ImGuiTreeNodeFlags_OpenOnDoubleClick", ImGuiTreeNodeFlags_OpenOnDoubleClick | ImGuiTreeNodeFlags_NoTreePushOnOpen); } // Testing tree node with ImGuiButtonFlags_PressedOnDoubleClick button policy.
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if (item_type == 11){ const char* items[] = { "Apple", "Banana", "Cherry", "Kiwi" }; static int current = 1; ret = ImGui::ListBox("ITEM: ListBox", ¤t, items, IM_ARRAYSIZE(items), IM_ARRAYSIZE(items)); }
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// Display the value of IsItemHovered() and other common item state functions.
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// Display the value of IsItemHovered() and other common item state functions.
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// Note that the ImGuiHoveredFlags_XXX flags can be combined.
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// Because BulletText is an item itself and that would affect the output of IsItemXXX functions,
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// we query every state in a single call to avoid storing them and to simplify the code
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// Because BulletText is an item itself and that would affect the output of IsItemXXX functions,
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// we query every state in a single call to avoid storing them and to simplify the code
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ImGui::BulletText(
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"Return value = %d\n"
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"IsItemFocused() = %d\n"
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@ -1653,7 +1674,7 @@ static void ShowDemoWindowWidgets()
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if (embed_all_inside_a_child_window)
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ImGui::BeginChild("outer_child", ImVec2(0, ImGui::GetFontSize() * 20), true);
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// Testing IsWindowFocused() function with its various flags.
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// Testing IsWindowFocused() function with its various flags.
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// Note that the ImGuiFocusedFlags_XXX flags can be combined.
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ImGui::BulletText(
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"IsWindowFocused() = %d\n"
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