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TODO.txt
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TODO.txt
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@ -238,6 +238,7 @@ It's mostly a bunch of personal notes, probably incomplete. Feel free to query i
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- nav: integrate/design keyboard controls.
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- nav: simulate right-click or context activation? (SHIFT+F10)
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- nav: tabs should go through most/all widgets (in submission order?).
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- nav: when CTRL-Tab/windowing is active, the HoveredWindow detection doesn't take account of the window display re-ordering.
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- nav: cannot access menubar of a flattened child window with Alt/menu key (not a very common use case..).
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- nav: esc/enter default behavior for popups, e.g. be able to mark an "ok" or "cancel" button that would get triggered by those keys.
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- nav: when activating a button that changes label (without a static ID) or disappear, can we somehow automatically recover into a nearest highlight item?
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18
imgui.cpp
18
imgui.cpp
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@ -80,7 +80,8 @@
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- ESCAPE to revert text to its original value.
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- You can apply arithmetic operators +,*,/ on numerical values. Use +- to subtract (because - would set a negative value!)
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- Controls are automatically adjusted for OSX to match standard OSX text editing operations.
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- Gamepad/keyboard navigation are in beta-phase, see Programmer Guide below.
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- Gamepad navigation: see suggested mappings in imgui.h ImGuiNavInput_
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- Keyboard navigation: see suggested mappings in imgui.h ImGuiNavInput_
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PROGRAMMER GUIDE
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@ -211,8 +212,7 @@
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USING GAMEPAD/KEYBOARD NAVIGATION [BETA]
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- Gamepad/keyboard navigation support is now available. Your feedback and bug reports are greatly welcome!
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- See https://github.com/ocornut/imgui/issues/787 discussion thread and ask questions there.
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- Ask questions and report issues at https://github.com/ocornut/imgui/issues/787.
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- The initial focus was to support game controllers, but keyboard is becoming increasingly and decently usable.
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- Your inputs are passed to imgui by filling the io.NavInputs[] array. See 'enum ImGuiNavInput_' in imgui.h for a description of available inputs.
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- Please refer to the examples/ application for suggested keyboard and gamepad mapping.
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@ -221,12 +221,12 @@
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- The ImGuiNavFlags_EnableGamepad and ImGuiNavFlags_EnableKeyboard flags of io.NavFlags are only here to instruct your binding whether to find inputs.
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- For gamepad use, the easiest approach is to go all-or-nothing, with a buttons combo that toggle your inputs between imgui and your game/application.
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Sharing inputs in a more advanced or granular way between imgui and your game/application may be tricky and requires further work on imgui.
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When keyboard navigation is active (io.NavActive + NavFlags_EnableKeyboard), the io.WantCaptureKeyboard is set.
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For more advanced uses, you may want to use:
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- io.NavActive: true when a window is focused and it doesn't have the ImGuiWindowFlags_NoNavInputs flag set.
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- io.NavVisible: true when the navigation cursor is visible (and usually goes false when mouse is used).
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- query focus information with e.g. IsWindowFocused(), IsItemFocused() etc. functions.
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The reality is more complex than what those flags can express. Please discuss your issues and usage scenario in the thread above!
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As we head toward more keyboard-oriented development this aspect will need to be improved.
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Please reach out if you think the game vs navigation input sharing could be improved.
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- On a TV/console system where readability may be lower or mouse inputs may be awkward, you may want to set the ImGuiNavFlags_MoveMouse flag in io.NavFlags.
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Enabling ImGuiNavFlags_MoveMouse instructs dear imgui to move your mouse cursor along with navigation movement.
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When enabled, the NewFrame() functions may alter 'io.MousePos' and set 'io.WantMoveMouse' to notify you that it did so.
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@ -2675,7 +2675,7 @@ static ImVec2 NavCalcPreferredMousePos()
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const ImRect& rect_rel = window->NavRectRel[g.NavLayer];
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ImVec2 pos = g.NavWindow->Pos + ImVec2(rect_rel.Min.x + ImMin(g.Style.FramePadding.x*4, rect_rel.GetWidth()), rect_rel.Max.y - ImMin(g.Style.FramePadding.y, rect_rel.GetHeight()));
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ImRect visible_rect = GetViewportRect();
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return ImFloor(ImClamp(pos, visible_rect.Min, visible_rect.Max)); // ImFloor() is important because non-integer mouse position application in backend might be lossy and result in undesirable non-zero delta.
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return ImFloor(ImClamp(pos, visible_rect.Min, visible_rect.Max)); // ImFloor() is important because non-integer mouse position application in back-end might be lossy and result in undesirable non-zero delta.
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}
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static int FindWindowIndex(ImGuiWindow* window) // FIXME-OPT O(N)
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@ -2823,7 +2823,7 @@ static void ImGui::NavUpdateWindowing()
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}
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// Keyboard: Press and Release ALT to toggle menu layer
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// FIXME: We lack an explicit IO variable for "is the imgui window focused", so compare mouse validity to detect the common case of backend clearing releases all keys on ALT-TAB
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// FIXME: We lack an explicit IO variable for "is the imgui window focused", so compare mouse validity to detect the common case of back-end clearing releases all keys on ALT-TAB
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if ((g.ActiveId == 0 || g.ActiveIdAllowOverlap) && IsNavInputPressed(ImGuiNavInput_KeyMenu, ImGuiInputReadMode_Released))
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if (IsMousePosValid(&g.IO.MousePos) == IsMousePosValid(&g.IO.MousePosPrev))
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apply_toggle_layer = true;
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@ -4415,7 +4415,7 @@ int ImGui::GetKeyIndex(ImGuiKey imgui_key)
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return GImGui->IO.KeyMap[imgui_key];
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}
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// Note that imgui doesn't know the semantic of each entry of io.KeyDown[]. Use your own indices/enums according to how your backend/engine stored them into KeyDown[]!
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// Note that imgui doesn't know the semantic of each entry of io.KeyDown[]. Use your own indices/enums according to how your back-end/engine stored them into KeyDown[]!
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bool ImGui::IsKeyDown(int user_key_index)
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{
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if (user_key_index < 0) return false;
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@ -4536,7 +4536,7 @@ bool ImGui::IsMousePosValid(const ImVec2* mouse_pos)
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return mouse_pos->x >= MOUSE_INVALID && mouse_pos->y >= MOUSE_INVALID;
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}
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// NB: This is only valid if IsMousePosValid(). Backends in theory should always keep mouse position valid when dragging even outside the client window.
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// NB: This is only valid if IsMousePosValid(). Back-ends in theory should always keep mouse position valid when dragging even outside the client window.
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ImVec2 ImGui::GetMouseDragDelta(int button, float lock_threshold)
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{
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ImGuiContext& g = *GImGui;
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36
imgui.h
36
imgui.h
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@ -710,27 +710,27 @@ enum ImGuiKey_
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enum ImGuiNavInput_
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{
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// Gamepad Mapping
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ImGuiNavInput_PadActivate, // press button, tweak value // e.g. Circle button
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ImGuiNavInput_PadCancel, // close menu/popup/child, lose selection // e.g. Cross button
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ImGuiNavInput_PadInput, // text input // e.g. Triangle button
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ImGuiNavInput_PadMenu, // toggle menu, hold to: focus, move, resize // e.g. Square button
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ImGuiNavInput_PadDpadLeft, // move left, resize window (with PadMenu) // e.g. D-pad directions
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ImGuiNavInput_PadDpadRight, // move right
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ImGuiNavInput_PadDpadUp, // move up
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ImGuiNavInput_PadDpadDown, // move down
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ImGuiNavInput_PadLStickLeft, // scroll up, move window (with PadMenu) // e.g. left stick directions (analog)
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ImGuiNavInput_PadLStickRight, // scroll right
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ImGuiNavInput_PadLStickUp, // scroll up
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ImGuiNavInput_PadLStickDown, // scroll down
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ImGuiNavInput_PadFocusPrev, // next window (with PadMenu) // e.g. L-trigger
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ImGuiNavInput_PadFocusNext, // prev window (with PadMenu) // e.g. R-trigger
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ImGuiNavInput_PadTweakSlow, // slower tweaks // e.g. L-trigger, analog
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ImGuiNavInput_PadTweakFast, // faster tweaks // e.g. R-trigger, analog
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ImGuiNavInput_PadActivate, // activate / open / toggle / tweak value // e.g. Circle (PS4), A (Xbox), B (Switch)
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ImGuiNavInput_PadCancel, // cancel / close / exit // e.g. Cross (PS4), B (Xbox), A (Switch)
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ImGuiNavInput_PadInput, // text input / on-screen keyboard // e.g. Triang.(PS4), Y (Xbox), X (Switch)
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ImGuiNavInput_PadMenu, // tap: toggle menu / hold: focus, move, resize // e.g. Square (PS4), X (Xbox), Y (Switch)
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ImGuiNavInput_PadDpadLeft, // move / tweak / resize window (w/ PadMenu) // e.g. D-pad Left/Right/Up/Down
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ImGuiNavInput_PadDpadRight, //
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ImGuiNavInput_PadDpadUp, //
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ImGuiNavInput_PadDpadDown, //
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ImGuiNavInput_PadLStickLeft, // scroll / move window (w/ PadMenu) // e.g. Left Analog Stick Left/Right/Up/Down
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ImGuiNavInput_PadLStickRight, //
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ImGuiNavInput_PadLStickUp, //
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ImGuiNavInput_PadLStickDown, //
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ImGuiNavInput_PadFocusPrev, // next window (w/ PadMenu) // e.g. L1 (PS4), LB (Xbox), L (Switch)
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ImGuiNavInput_PadFocusNext, // prev window (w/ PadMenu) // e.g. R1 (PS4), RB (Xbox), R (Switch)
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ImGuiNavInput_PadTweakSlow, // slower tweaks // e.g. L2 (PS4), LT (Xbox), ZL (Switch), Analog
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ImGuiNavInput_PadTweakFast, // faster tweaks // e.g. R2 (PS4), RT (Xbox), ZR (Switch), Analog
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// Keyboard Mapping
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// [BETA] To use keyboard control you currently need to map keys to those gamepad inputs: PadActivate (Enter), PadCancel (Escape), PadInput (Enter).
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// Will add specialized keyboard mappings as we add features and clarify the input interface.
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ImGuiNavInput_KeyMenu, // toggle menu // e.g. ALT
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ImGuiNavInput_KeyLeft, // move left // e.g. Arrow keys
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ImGuiNavInput_KeyMenu, // toggle menu // e.g. Alt
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ImGuiNavInput_KeyLeft, // move left // e.g. Arrow keys
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ImGuiNavInput_KeyRight, // move right
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ImGuiNavInput_KeyUp, // move up
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ImGuiNavInput_KeyDown, // move down
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