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v/vlib/glfw/glfw.v

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// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module glfw
// note: we might need special case for this
// see TmpGlImportHack below (joe-c)
import gl
#flag -I @VROOT/thirdparty/glfw
#flag -L @VROOT/thirdparty/glfw
// Debugging a custom build
//-#flag darwin -L/var/tmp/glfw/src/
// MacPorts
#flag darwin -L/opt/local/lib
#flag darwin -lglfw
#flag freebsd -I/usr/local/include
#flag freebsd -Wl,-L/usr/local/lib,-lglfw
#flag solaris -I/opt/local/include
#flag solaris -L/opt/local/lib
#flag solaris -lglfw
#flag linux -lglfw
#flag windows -lgdi32 -lshell32 -lglfw3
#flag mingw -mwindows
#include <GLFW/glfw3.h>
// #flag darwin -framework Carbon
// #flag darwin -framework Cocoa
// #flag darwin -framework CoreVideo
// #flag darwin -framework IOKit
pub const (
RESIZABLE = 1
DECORATED = 2
)
pub const (
KEY_ESCAPE = 256
key_space = 32
KEY_LEFT_SUPER = 343
)
pub const (
KeyUp = 265
KeyLeft = 263
KeyRight = 262
KeyDown = 264
)
// joe-c: fix & remove
struct TmpGlImportHack {
hack gl.TmpGlImportHack
}
pub struct WinCfg {
width int
height int
title string
ptr voidptr
borderless bool
is_modal int
is_browser bool
url string
always_on_top bool
scale_to_monitor bool = true
}
// data *C.GLFWwindow
// TODO change data to cobj
pub struct Window {
data voidptr
title string
mx int
my int
scale_ f32
}
pub struct Size {
pub:
width int
height int
}
pub struct Pos {
pub:
x int
y int
}
// type clickpub fn pub fn (window * GLFWwindow, button, action, mods int)
type clickpubfn fn (window voidptr, button, action, mods int)
/*
* TODO broken
fn init() {
init_glfw()
}
*/
pub fn init_glfw() {
C.glfwInit()
C.glfwWindowHint(C.GLFW_CONTEXT_VERSION_MAJOR, 3)
C.glfwWindowHint(C.GLFW_CONTEXT_VERSION_MINOR, 3)
C.glfwWindowHint(C.GLFW_OPENGL_FORWARD_COMPAT, C.GL_TRUE)
C.glfwWindowHint(C.GLFW_OPENGL_PROFILE, C.GLFW_OPENGL_CORE_PROFILE)
}
pub fn (w &Window) destroy() {
C.glfwDestroyWindow(w.data)
}
pub fn terminate() {
C.glfwTerminate()
}
// pub fn mouse_move(w * GLFWwindow, x, y double) {
pub fn mouse_move(w voidptr, x, y f64) {
// #printf("%f : %f => %d \n", x,y);
}
pub fn window_hint(key, val int) {
C.glfwWindowHint(key, val)
}
pub fn create_window(c WinCfg) &Window {
if c.borderless {
window_hint(C.GLFW_RESIZABLE, 0)
window_hint(C.GLFW_DECORATED, 0)
}
if c.always_on_top {
window_hint(C.GLFW_FLOATING, 1)
}
if c.scale_to_monitor {
$if windows {
window_hint(C.GLFW_SCALE_TO_MONITOR, 1)
}
}
cwindow := C.glfwCreateWindow(c.width, c.height, c.title.str, 0, 0)
if isnil(cwindow) {
println('failed to create a glfw window, make sure you have a GPU driver installed')
C.glfwTerminate()
}
// println('create window wnd=$cwindow ptr==$c.ptr')
C.glfwSetWindowUserPointer(cwindow, c.ptr)
mut scale := f32(1.0)
$if windows {
C.glfwGetWindowContentScale(cwindow, &scale, &scale)
}
$else {
scale = 1.0
}
window := &Window {
data: cwindow,
title: c.title,
scale_: scale
}
return window
}
pub fn (w &Window) set_title(title string) {
C.glfwSetWindowTitle(w.data, title.str)
}
pub fn (w &Window) make_context_current() {
C.glfwMakeContextCurrent(w.data)
}
pub fn (w &Window) scale() f32 {
return w.scale_
}
pub fn swap_interval(interval int) {
C.glfwSwapInterval(interval)
}
pub fn wait_events() {
C.glfwWaitEvents()
}
pub fn poll_events() {
C.glfwPollEvents()
}
pub fn set_should_close(w voidptr, close bool) {
C.glfwSetWindowShouldClose(w, close)
}
pub fn (w &Window) set_should_close(close bool) {
C.glfwSetWindowShouldClose(w.data, close)
}
pub fn (w &Window) should_close() bool {
return C.glfwWindowShouldClose(w.data)
}
pub fn (w &Window) swap_buffers() {
C.glfwSwapBuffers(w.data)
}
pub fn (w mut Window) onmousemove(cb voidptr) {
C.glfwSetCursorPosCallback(w.data, cb)
}
pub fn (w mut Window) set_mouse_button_callback(cb voidptr) {
C.glfwSetMouseButtonCallback(w.data, cb)
}
pub fn (w mut Window) on_resize(cb voidptr) {
C.glfwSetWindowSizeCallback(w.data, cb)
}
pub fn (w mut Window) on_click(cb voidptr) {
C.glfwSetMouseButtonCallback(w.data, cb)
}
pub fn (w &Window) set_scroll_callback(cb voidptr) {
C.glfwSetScrollCallback(w.data, cb)
}
pub fn (w &Window) on_scroll(cb voidptr) {
C.glfwSetScrollCallback(w.data, cb)
}
pub fn post_empty_event() {
C.glfwPostEmptyEvent()
}
pub fn (w mut Window) onkeydown(cb voidptr) {
C.glfwSetKeyCallback(w.data, cb)
}
pub fn (w mut Window) onchar(cb voidptr) {
C.glfwSetCharModsCallback(w.data, cb)
}
pub fn get_time() f64 {
return C.glfwGetTime()
}
pub fn key_pressed(wnd voidptr, key int) bool {
return int(C.glfwGetKey(wnd, key)) == C.GLFW_PRESS
}
pub fn (w &Window) get_clipboard_text() string {
return string(byteptr(C.glfwGetClipboardString(w.data)))
}
pub fn (w &Window) set_clipboard_text(s string) {
C.glfwSetClipboardString(w.data, s.str)
}
pub fn get_cursor_pos(cwindow voidptr) (f64, f64) {
x := f64(0)
y := f64(0)
C.glfwGetCursorPos(cwindow, &x, &y)
mut scale := f32(1.0)
$if windows {
C.glfwGetWindowContentScale(cwindow, &scale, &scale)
}
$else {
scale = 1.0
}
return x/scale, y/scale
}
pub fn (w &Window) get_cursor_pos() Pos {
x := f64(0)
y := f64(0)
C.glfwGetCursorPos(w.data, &x, &y)
return Pos {
x: int(x/w.scale_)
y: int(y/w.scale_)
}
}
enum Cursor {
arrow
ibeam
hand
}
pub fn set_cursor(c Cursor) {
C.glfwSetCursor(0, C.GLFW_IBEAM_CURSOR)
}
pub fn (w &Window) set_cursor(c Cursor) {
C.glfwSetCursor(w.data, C.GLFW_IBEAM_CURSOR)
}
pub fn (w &Window) user_ptr() voidptr {
return C.glfwGetWindowUserPointer(w.data)
}
pub fn (w &Window) set_user_ptr(ptr voidptr) {
C.glfwSetWindowUserPointer(w.data, ptr)
}
struct C.GLFWvidmode {
width int
height int
}
pub fn C.glfwGetVideoMode() &C.GLFWvidmode
pub fn get_monitor_size() Size {
//# GLFWvidmode* mode = glfwGetVideoMode(glfwGetPrimaryMonitor());
mode := C.glfwGetVideoMode(C.glfwGetPrimaryMonitor())
return Size{mode.width, mode.height}
}
fn C.glfwGetWindowSize(window &Window, width &int, height &int) // screen coordinates
fn C.glfwGetFramebufferSize(window &Window, width &int, height &int) // pixels
// get_window_size in screen coordinates
pub fn (w &Window) get_window_size() Size {
res := Size {0, 0}
C.glfwGetWindowSize(w.data, &res.width, &res.height)
return res
}
// get_framebuffer_size in pixels
pub fn (w &Window) get_framebuffer_size() Size {
res := Size {0, 0}
C.glfwGetFramebufferSize(w.data, &res.width, &res.height)
return res
}
pub fn (size Size) str() string {
return '{$size.width, $size.height}'
}
pub fn get_window_user_pointer(gwnd voidptr) voidptr {
return C.glfwGetWindowUserPointer(gwnd)
}