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Added ActivateItem(), GetItemID() functions.
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commit
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17
imgui.cpp
17
imgui.cpp
@ -2837,6 +2837,11 @@ static void NavUpdate()
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IM_ASSERT(g.NavActivateDownId == g.NavActivateId);
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g.NavMoveRequest = false;
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// Process explicit activation request
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if (g.NavNextActivateId != 0)
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g.NavActivateId = g.NavActivateDownId = g.NavInputId = g.NavNextActivateId;
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g.NavNextActivateId = 0;
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// Initiate directional inputs request
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const int allowed_dir_flags = (g.ActiveId == 0) ? ~0 : g.ActiveIdAllowNavDirFlags;
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if (g.NavMoveRequestForwardStep == 0)
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@ -6379,6 +6384,18 @@ void ImGui::SetScrollHere(float center_y_ratio)
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SetScrollFromPosY(target_y, center_y_ratio);
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}
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void ImGui::ActivateItem(ImGuiID id)
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{
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ImGuiContext& g = *GImGui;
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g.NavNextActivateId = id;
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}
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ImGuiID ImGui::GetItemID()
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{
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ImGuiContext& g = *GImGui;
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return g.CurrentWindow->DC.LastItemId;
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}
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void ImGui::SetKeyboardFocusHere(int offset)
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{
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IM_ASSERT(offset >= -1); // -1 is allowed but not below
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6
imgui.h
6
imgui.h
@ -177,7 +177,6 @@ namespace ImGui
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IMGUI_API void SetScrollY(float scroll_y); // set scrolling amount [0..GetScrollMaxY()]
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IMGUI_API void SetScrollHere(float center_y_ratio = 0.5f); // adjust scrolling amount to make current cursor position visible. center_y_ratio=0.0: top, 0.5: center, 1.0: bottom.
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IMGUI_API void SetScrollFromPosY(float pos_y, float center_y_ratio = 0.5f); // adjust scrolling amount to make given position valid. use GetCursorPos() or GetCursorStartPos()+offset to get valid positions.
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IMGUI_API void SetKeyboardFocusHere(int offset = 0); // FIXME-NAVIGATION // focus keyboard on the next widget. Use positive 'offset' to access sub components of a multiple component widget. Use -1 to access previous widget.
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IMGUI_API void SetStateStorage(ImGuiStorage* tree); // replace tree state storage with our own (if you want to manipulate it yourself, typically clear subsection of it)
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IMGUI_API ImGuiStorage* GetStateStorage();
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@ -416,6 +415,11 @@ namespace ImGui
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// Styles
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IMGUI_API void StyleColorsClassic(ImGuiStyle* dst = NULL);
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// Focus, Activation
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IMGUI_API void ActivateItem(ImGuiID id); // remotely activate a button, checkbox, tree node etc. given its unique ID. activation is queued and processed on the next frame when the item is encountered again.
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IMGUI_API ImGuiID GetItemID(); // get id of previous item, generally ~GetID(label)
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IMGUI_API void SetKeyboardFocusHere(int offset = 0); // FIXME-NAVIGATION // focus keyboard on the next widget. Use positive 'offset' to access sub components of a multiple component widget. Use -1 to access previous widget.
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// Utilities
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IMGUI_API bool IsItemHovered(); // is the last item hovered by mouse (and usable)? or we are currently using Nav and the item is focused.
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IMGUI_API bool IsItemRectHovered(); // is the last item hovered by mouse? even if another item is active or window is blocked by popup while we are hovering this
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@ -1754,6 +1754,11 @@ void ImGui::ShowTestWindow(bool* p_open)
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if (ImGui::IsItemActive()) has_focus = 3;
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ImGui::PopAllowKeyboardFocus();
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if (has_focus)
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ImGui::Text("Item with focus: %d", has_focus);
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else
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ImGui::Text("Item with focus: <none>");
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// Use >= 0 parameter to SetKeyboardFocusHere() to focus an upcoming item
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static float f3[3] = { 0.0f, 0.0f, 0.0f };
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int focus_ahead = -1;
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@ -1763,14 +1768,26 @@ void ImGui::ShowTestWindow(bool* p_open)
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if (focus_ahead != -1) ImGui::SetKeyboardFocusHere(focus_ahead);
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ImGui::SliderFloat3("Float3", &f3[0], 0.0f, 1.0f);
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if (has_focus)
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ImGui::Text("Item with focus: %d", has_focus);
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else
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ImGui::Text("Item with focus: <none>");
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ImGui::TextWrapped("Cursor & selection are preserved when refocusing last used item in code.");
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ImGui::TextWrapped("NB: Cursor & selection are preserved when refocusing last used item in code.");
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ImGui::TreePop();
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}
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#if 0
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if (ImGui::TreeNode("Remote Activation"))
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{
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static char label[256];
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ImGui::InputText("Label", label, IM_ARRAYSIZE(label));
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ImGui::PopID(); // We don't yet have an easy way compute ID at other levels of the ID stack so we pop it manually for now (e.g. we'd like something like GetID("../label"))
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ImGuiID id = ImGui::GetID(label);
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ImGui::PushID("Remote Activation");
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if (ImGui::SmallButton("Activate"))
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ImGui::ActivateItem(id);
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ImGui::SameLine();
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ImGui::Text("ID = 0x%08X", id);
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ImGui::TreePop();
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}
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#endif
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if (ImGui::TreeNode("Dragging"))
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{
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ImGui::TextWrapped("You can use ImGui::GetMouseDragDelta(0) to query for the dragged amount on any widget.");
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@ -469,6 +469,7 @@ struct ImGuiContext
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ImGuiID NavInputId; // ~~ IsNavInputPressed(ImGuiNavInput_PadInput) ? NavId : 0, etc.
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ImGuiID NavJustTabbedId; // Just tabbed to this id.
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ImGuiID NavJustNavigatedId; // Just navigated to this id (result of a successfully MoveRequest)
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ImGuiID NavNextActivateId; // Set by ActivateItem(), queued until next frame
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ImRect NavScoringRectScreen; // Rectangle used for scoring, in screen space. Based of window->DC.NavRefRectRel[], modified for directional navigation scoring.
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ImGuiWindow* NavWindowingTarget;
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float NavWindowingDisplayAlpha;
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@ -584,7 +585,7 @@ struct ImGuiContext
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NavWindow = NULL;
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NavId = NavActivateId = NavActivateDownId = NavInputId = 0;
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NavJustTabbedId = NavJustNavigatedId = 0;
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NavJustTabbedId = NavJustNavigatedId = NavNextActivateId = 0;
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NavScoringRectScreen = ImRect();
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NavWindowingTarget = NULL;
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NavWindowingDisplayAlpha = 0.0f;
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