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Allen Ray
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Jun 23, 2020
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,228 @@ | ||
| package pixelui | ||
|
|
||
| import ( | ||
| "github.com/faiface/pixel/pixelgl" | ||
| "github.com/inkyblackness/imgui-go" | ||
| ) | ||
|
|
||
| func (ui *UI) prepareIO() { | ||
| ui.io.SetDisplaySize(pixelVecToimguiVec(ui.win.Bounds().Size())) | ||
|
|
||
| ui.io.AddMouseWheelDelta(float32(ui.win.MouseScroll().X), float32(ui.win.MouseScroll().Y)) | ||
| mouse := ui.matrix.Unproject(ui.win.MousePosition()) | ||
| ui.io.SetMousePosition(imgui.Vec2{X: float32(mouse.X), Y: float32(mouse.Y)}) | ||
|
|
||
| ui.io.SetMouseButtonDown(0, ui.win.Pressed(pixelgl.MouseButtonLeft)) | ||
| ui.io.SetMouseButtonDown(1, ui.win.Pressed(pixelgl.MouseButtonRight)) | ||
| ui.io.SetMouseButtonDown(2, ui.win.Pressed(pixelgl.MouseButtonMiddle)) | ||
|
|
||
| for _, key := range keys { | ||
| if ui.win.Pressed(key) { | ||
| ui.io.KeyPress(int(key)) | ||
| } else { | ||
| ui.io.KeyRelease(int(key)) | ||
| } | ||
| ui.updateKeyMod() | ||
| } | ||
| ui.io.AddInputCharacters(ui.win.Typed()) | ||
| } | ||
|
|
||
| func (ui *UI) mapModifier(lKey pixelgl.Button, rKey pixelgl.Button) (lResult int, rResult int) { | ||
| if ui.win.Pressed(lKey) { | ||
| lResult = int(lKey) | ||
| } | ||
| if ui.win.Pressed(rKey) { | ||
| rResult = int(rKey) | ||
| } | ||
| return | ||
| } | ||
|
|
||
| func (ui *UI) updateKeyMod() { | ||
| ui.io.KeyCtrl(ui.mapModifier(pixelgl.KeyLeftControl, pixelgl.KeyRightControl)) | ||
| ui.io.KeyShift(ui.mapModifier(pixelgl.KeyLeftShift, pixelgl.KeyRightShift)) | ||
| ui.io.KeyAlt(ui.mapModifier(pixelgl.KeyLeftAlt, pixelgl.KeyRightAlt)) | ||
| ui.io.KeySuper(ui.mapModifier(pixelgl.KeyLeftSuper, pixelgl.KeyRightSuper)) | ||
| } | ||
|
|
||
| // inputWant is a helper for determining what type a button is: keyboard/mouse | ||
| func (ui *UI) inputWant(button pixelgl.Button) bool { | ||
| switch button { | ||
| case pixelgl.MouseButton1, pixelgl.MouseButton2, pixelgl.MouseButton3, pixelgl.MouseButton4, pixelgl.MouseButton5, pixelgl.MouseButton6, pixelgl.MouseButton7, pixelgl.MouseButton8: | ||
| return ui.io.WantCaptureMouse() | ||
| } | ||
| return ui.io.WantCaptureKeyboard() | ||
| } | ||
|
|
||
| // JustPressed returns true if imgui hasn't handled the button and the button was just pressed | ||
| func (ui *UI) JustPressed(button pixelgl.Button) bool { | ||
| return !ui.inputWant(button) && ui.win.JustPressed(button) | ||
| } | ||
|
|
||
| // JustPressed returns true if imgui hasn't handled the button and the button was just released | ||
| func (ui *UI) JustReleased(button pixelgl.Button) bool { | ||
| return !ui.inputWant(button) && ui.win.JustReleased(button) | ||
| } | ||
|
|
||
| // JustPressed returns true if imgui hasn't handled the button and the button is pressed | ||
| func (ui *UI) Pressed(button pixelgl.Button) bool { | ||
| return !ui.inputWant(button) && ui.win.Pressed(button) | ||
| } | ||
|
|
||
| // Repeated returns true if imgui hasn't handled the button and the button was repeated | ||
| func (ui *UI) Repeated(button pixelgl.Button) bool { | ||
| return !ui.inputWant(button) && ui.win.Repeated(button) | ||
| } | ||
|
|
||
| func (ui *UI) setKeyMapping() { | ||
| keys := map[int]pixelgl.Button{ | ||
| imgui.KeyTab: pixelgl.KeyTab, | ||
| imgui.KeyLeftArrow: pixelgl.KeyLeft, | ||
| imgui.KeyRightArrow: pixelgl.KeyRight, | ||
| imgui.KeyUpArrow: pixelgl.KeyUp, | ||
| imgui.KeyDownArrow: pixelgl.KeyDown, | ||
| imgui.KeyPageUp: pixelgl.KeyPageUp, | ||
| imgui.KeyPageDown: pixelgl.KeyPageDown, | ||
| imgui.KeyHome: pixelgl.KeyHome, | ||
| imgui.KeyEnd: pixelgl.KeyEnd, | ||
| imgui.KeyInsert: pixelgl.KeyInsert, | ||
| imgui.KeyDelete: pixelgl.KeyDelete, | ||
| imgui.KeyBackspace: pixelgl.KeyBackspace, | ||
| imgui.KeySpace: pixelgl.KeySpace, | ||
| imgui.KeyEnter: pixelgl.KeyEnter, | ||
| imgui.KeyEscape: pixelgl.KeyEscape, | ||
| imgui.KeyA: pixelgl.KeyA, | ||
| imgui.KeyC: pixelgl.KeyC, | ||
| imgui.KeyV: pixelgl.KeyV, | ||
| imgui.KeyX: pixelgl.KeyX, | ||
| imgui.KeyY: pixelgl.KeyY, | ||
| imgui.KeyZ: pixelgl.KeyZ, | ||
| } | ||
|
|
||
| // Keyboard mapping. ImGui will use those indices to peek into the io.KeysDown[] array. | ||
| for imguiKey, nativeKey := range keys { | ||
| ui.io.KeyMap(imguiKey, int(nativeKey)) | ||
| } | ||
| } | ||
|
|
||
| var keys = []pixelgl.Button{ | ||
| pixelgl.KeySpace, | ||
| pixelgl.KeyApostrophe, | ||
| pixelgl.KeyComma, | ||
| pixelgl.KeyMinus, | ||
| pixelgl.KeyPeriod, | ||
| pixelgl.KeySlash, | ||
| pixelgl.Key0, | ||
| pixelgl.Key1, | ||
| pixelgl.Key2, | ||
| pixelgl.Key3, | ||
| pixelgl.Key4, | ||
| pixelgl.Key5, | ||
| pixelgl.Key6, | ||
| pixelgl.Key7, | ||
| pixelgl.Key8, | ||
| pixelgl.Key9, | ||
| pixelgl.KeySemicolon, | ||
| pixelgl.KeyEqual, | ||
| pixelgl.KeyA, | ||
| pixelgl.KeyB, | ||
| pixelgl.KeyC, | ||
| pixelgl.KeyD, | ||
| pixelgl.KeyE, | ||
| pixelgl.KeyF, | ||
| pixelgl.KeyG, | ||
| pixelgl.KeyH, | ||
| pixelgl.KeyI, | ||
| pixelgl.KeyJ, | ||
| pixelgl.KeyK, | ||
| pixelgl.KeyL, | ||
| pixelgl.KeyM, | ||
| pixelgl.KeyN, | ||
| pixelgl.KeyO, | ||
| pixelgl.KeyP, | ||
| pixelgl.KeyQ, | ||
| pixelgl.KeyR, | ||
| pixelgl.KeyS, | ||
| pixelgl.KeyT, | ||
| pixelgl.KeyU, | ||
| pixelgl.KeyV, | ||
| pixelgl.KeyW, | ||
| pixelgl.KeyX, | ||
| pixelgl.KeyY, | ||
| pixelgl.KeyZ, | ||
| pixelgl.KeyLeftBracket, | ||
| pixelgl.KeyBackslash, | ||
| pixelgl.KeyRightBracket, | ||
| pixelgl.KeyGraveAccent, | ||
| pixelgl.KeyWorld1, | ||
| pixelgl.KeyWorld2, | ||
| pixelgl.KeyEscape, | ||
| pixelgl.KeyEnter, | ||
| pixelgl.KeyTab, | ||
| pixelgl.KeyBackspace, | ||
| pixelgl.KeyInsert, | ||
| pixelgl.KeyDelete, | ||
| pixelgl.KeyRight, | ||
| pixelgl.KeyLeft, | ||
| pixelgl.KeyDown, | ||
| pixelgl.KeyUp, | ||
| pixelgl.KeyPageUp, | ||
| pixelgl.KeyPageDown, | ||
| pixelgl.KeyHome, | ||
| pixelgl.KeyEnd, | ||
| pixelgl.KeyCapsLock, | ||
| pixelgl.KeyScrollLock, | ||
| pixelgl.KeyNumLock, | ||
| pixelgl.KeyPrintScreen, | ||
| pixelgl.KeyPause, | ||
| pixelgl.KeyF1, | ||
| pixelgl.KeyF2, | ||
| pixelgl.KeyF3, | ||
| pixelgl.KeyF4, | ||
| pixelgl.KeyF5, | ||
| pixelgl.KeyF6, | ||
| pixelgl.KeyF7, | ||
| pixelgl.KeyF8, | ||
| pixelgl.KeyF9, | ||
| pixelgl.KeyF10, | ||
| pixelgl.KeyF11, | ||
| pixelgl.KeyF12, | ||
| pixelgl.KeyF13, | ||
| pixelgl.KeyF14, | ||
| pixelgl.KeyF15, | ||
| pixelgl.KeyF16, | ||
| pixelgl.KeyF17, | ||
| pixelgl.KeyF18, | ||
| pixelgl.KeyF19, | ||
| pixelgl.KeyF20, | ||
| pixelgl.KeyF21, | ||
| pixelgl.KeyF22, | ||
| pixelgl.KeyF23, | ||
| pixelgl.KeyF24, | ||
| pixelgl.KeyF25, | ||
| pixelgl.KeyKP0, | ||
| pixelgl.KeyKP1, | ||
| pixelgl.KeyKP2, | ||
| pixelgl.KeyKP3, | ||
| pixelgl.KeyKP4, | ||
| pixelgl.KeyKP5, | ||
| pixelgl.KeyKP6, | ||
| pixelgl.KeyKP7, | ||
| pixelgl.KeyKP8, | ||
| pixelgl.KeyKP9, | ||
| pixelgl.KeyKPDecimal, | ||
| pixelgl.KeyKPDivide, | ||
| pixelgl.KeyKPMultiply, | ||
| pixelgl.KeyKPSubtract, | ||
| pixelgl.KeyKPAdd, | ||
| pixelgl.KeyKPEnter, | ||
| pixelgl.KeyKPEqual, | ||
| pixelgl.KeyLeftShift, | ||
| pixelgl.KeyLeftControl, | ||
| pixelgl.KeyLeftAlt, | ||
| pixelgl.KeyLeftSuper, | ||
| pixelgl.KeyRightShift, | ||
| pixelgl.KeyRightControl, | ||
| pixelgl.KeyRightAlt, | ||
| pixelgl.KeyRightSuper, | ||
| pixelgl.KeyMenu, | ||
| } |
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