Initial commit.

window.odin

@@ -0,0 +1,117 @@
+package window
+
+import "core:fmt"
+Window :: struct {
+    title: string,
+    width, height: u16,
+
+    backend: Backend_Info,
+}
+
+Event :: union {
+    Event_Quit,
+    Event_Key,
+    Event_Resize,
+}
+
+Event_Quit :: struct {}
+
+Event_Key_State :: enum {
+    Down,
+    Up,
+}
+Virtual_Key :: enum {
+    Unknown,
+
+    Number_0, Number_1, Number_2, Number_3, Number_4, Number_5, Number_6, Number_7, Number_8, Number_9,
+
+    Letter_A, Letter_B, Letter_C, Letter_D, Letter_E, Letter_F, Letter_G, Letter_H, Letter_I, Letter_J,
+    Letter_K, Letter_L, Letter_M, Letter_N, Letter_O, Letter_P, Letter_Q, Letter_R, Letter_S, Letter_T,
+    Letter_U, Letter_V, Letter_W, Letter_X, Letter_Y, Letter_Z,
+
+    Space, Enter, Escape, Tab, Backspace, CapsLock,
+    Shift, Control, Alt,
+    Arrow_Up, Arrow_Down, Arrow_Left, Arrow_Right,
+}
+Event_Key :: struct {
+    virtual_key: Virtual_Key,
+    state: Event_Key_State,
+}
+Event_Resize :: struct {
+    old_width, old_height: u16,
+    new_width, new_height: u16,
+}
+
+create :: proc(width, height: u16) -> (^Window, bool) {
+    assert(width > 0 && height > 0)
+
+    w := new(Window)
+	w.width = width
+	w.height = height
+
+    when ODIN_OS == .Windows {
+        if !init_window_windows(w) {
+            free(w)
+            return nil, false
+        }
+    }
+    else {
+        #assert(false, "Missing implementation for 'create'.")
+    }
+
+    set_title(w, "Window")
+
+    return w, true
+}
+
+set_title :: proc(window: ^Window, title: string) {
+    assert(window != nil)
+
+    window.title = title
+
+    when ODIN_OS == .Windows {
+        set_title_windows(window)
+    }
+    else {
+        #assert(false, "Missing implementation for 'set_title'.")
+    }
+}
+
+get_pointer_to_surface :: proc(window: ^Window) -> rawptr {
+    when ODIN_OS == .Windows {
+        // fmt.printfln("HWND: %v.", window.backend.hwnd)
+        return window.backend.hwnd
+    }
+    else {
+        #assert(false, "Missing implementation for 'get_pointer_to_surface'.")
+    }
+}
+
+update :: proc(window: ^Window, out_event: ^Event) -> bool {
+    assert(window != nil)
+
+    event: Event
+    when ODIN_OS == .Windows {
+        event = update_windows(window)
+    }
+    else {
+        #assert(false, "Missing implementation for 'set_title'.")
+    }
+
+    out_event^ = event
+
+    if out_event^ == nil {
+        return false
+    }
+
+    return true
+}
+
+destroy :: proc(window: ^Window) {
+    assert(window != nil)
+
+    destroy_windows(window)
+    
+    free(window)
+    window^ = {}
+}