first

windowmanager.go

@@ -0,0 +1,115 @@
+package pinwindows 
+
+import rl "github.com/gen2brain/raylib-go/raylib"
+
+type managewindowfunc func(*RayGuiWindowManager, *RayGuiWindow)
+
+type RayGuiWindowManager struct {
+	winlist          []*RayGuiWindow
+	movingwindow     *RayGuiWindow // the currently moving (resize, drag, etc...)
+	movingwindowmode int
+}
+
+func NewRayGuiWindowManager() RayGuiWindowManager {
+	var windowlist []*RayGuiWindow
+	return RayGuiWindowManager{winlist: windowlist, movingwindow: nil}
+}
+
+func (winman *RayGuiWindowManager) ManageWindowlist() {
+	var windowtomovetofront *RayGuiWindow = nil
+	for i := 0; i < len(winman.winlist); i++ {
+		if winman.winlist[i].isLeftClicked() {
+			windowtomovetofront = winman.winlist[i]
+		}
+	}
+	if windowtomovetofront != nil {
+		windowtomovetofront.ManageFunc = MoveToTopOfWindowlist
+	}
+	for i := 0; i < len(winman.winlist); i++ {
+		if winman.winlist[i].ManageFunc != nil {
+			winman.winlist[i].ManageFunc(winman, winman.winlist[i])
+		}
+	}
+}
+
+func (winman *RayGuiWindowManager) ProcessUserWindowMovement() {
+	currentmovingwindow := winman.movingwindow
+
+	for i := 0; i < len(winman.winlist); i++ {
+		if winman.winlist[i].DidStartMoveDrag() && currentmovingwindow == nil {
+			winman.movingwindow = winman.winlist[i]
+			winman.movingwindowmode = WINDOW_MODE_DRAG
+		}
+		if winman.winlist[i].DidStartResizeDrag() && currentmovingwindow == nil {
+			winman.movingwindow = winman.winlist[i]
+			winman.movingwindowmode = WINDOW_MODE_RESZIE
+		}
+		if rl.IsMouseButtonReleased(rl.MouseButtonLeft) || rl.IsMouseButtonReleased(rl.MouseButtonRight) {
+			winman.movingwindow = nil
+		}
+
+	}
+
+	if winman.movingwindow != nil {
+		if winman.movingwindowmode == WINDOW_MODE_DRAG {
+			winman.movingwindow.X += int32(rl.GetMouseDelta().X)
+			winman.movingwindow.Y += int32(rl.GetMouseDelta().Y)
+		}
+		if winman.movingwindowmode == WINDOW_MODE_RESZIE {
+			winman.movingwindow.Resize(int(rl.GetMouseDelta().X), int(rl.GetMouseDelta().Y))
+		}
+	}
+}
+
+func (winman RayGuiWindowManager) DrawInternalWindowList() {
+	for i := 0; i < len(winman.winlist); i++ {
+		winman.winlist[i].DrawInternals()
+	}
+}
+
+func (winman RayGuiWindowManager) DrawWindowlist() {
+	for i := 0; i < len(winman.winlist); i++ {
+		winman.winlist[i].Draw()
+	}
+}
+
+func (winman *RayGuiWindowManager) WinlistUnlistWindow(windowtoremove *RayGuiWindow) {
+	indextoremove := -1
+	for i := 0; i < len(winman.winlist); i++ {
+		if winman.winlist[i] == windowtoremove {
+			indextoremove = i
+			break
+		}
+	}
+	if indextoremove == -1 {
+		return
+	}
+	copy(winman.winlist[indextoremove:], winman.winlist[indextoremove+1:])
+	winman.winlist[len(winman.winlist)-1] = nil
+	winman.winlist = winman.winlist[:len(winman.winlist)-1]
+	return
+}
+
+func CloseWindow(winman *RayGuiWindowManager, windowtoremove *RayGuiWindow) {
+	winman.WinlistUnlistWindow(windowtoremove)
+	rl.UnloadRenderTexture(*windowtoremove.Texture)
+	if winman.movingwindow == windowtoremove {
+		winman.movingwindow = nil
+	}
+	return
+}
+
+func (winman *RayGuiWindowManager) AddWindow(windowtoadd *RayGuiWindow) {
+	if len(winman.winlist) > 0 {
+		winman.winlist[len(winman.winlist)-1].AcceptingInput = false
+	}
+	winman.winlist = append(winman.winlist, windowtoadd)
+	winman.winlist[len(winman.winlist)-1].AcceptingInput = true
+}
+
+func MoveToTopOfWindowlist(winman *RayGuiWindowManager, windowtomove *RayGuiWindow) {
+	winman.winlist[len(winman.winlist)-1].AcceptingInput = false
+	winman.WinlistUnlistWindow(windowtomove)
+	winman.AddWindow(windowtomove)
+	windowtomove.ManageFunc = nil
+}