zig/mach
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

mach: flesh out mach.Event (#377)

Browse source 
* Flesh out mach.Event
This commit is contained in:
Jamie Brandon 2022-07-01 16:47:06 -07:00 • committed by GitHub
parent da046f340d
commit 5bb740f89e
Failed to generate hash of commit
4 changed files with 218 additions and 66 deletions
Download patch file Download diff file Expand all files Collapse all files

98
src/platform/native.zig
View file

@ -29,6 +29,8 @@ pub const Platform = struct {
native_instance: gpu.NativeInstance,
last_cursor_position: structs.WindowPos,
const EventQueue = std.TailQueue(structs.Event);
const EventNode = EventQueue.Node;
@ -180,6 +182,8 @@ pub const Platform = struct {
engine.current_desc = descriptor;
engine.target_desc = descriptor;
const cursor_pos = try window.getCursorPos();
return Platform{
.window = window,
.backend_type = backend_type,
@ -187,6 +191,10 @@ pub const Platform = struct {
.last_window_size = .{ .width = window_size.width, .height = window_size.height },
.last_framebuffer_size = .{ .width = framebuffer_size.width, .height = framebuffer_size.height },
.last_position = try window.getPos(),
.last_cursor_position = .{
.x = cursor_pos.xpos,
.y = cursor_pos.ypos,
},
.native_instance = native_instance,
};
}
@ -210,37 +218,48 @@ pub const Platform = struct {
platform.window.setUserPointer(&platform.user_ptr);
const callback = struct {
const key_callback = struct {
fn callback(window: glfw.Window, key: glfw.Key, scancode: i32, action: glfw.Action, mods: glfw.Mods) void {
const pf = (window.getUserPointer(UserPtr) orelse unreachable).platform;
const key_event = structs.KeyEvent{
.key = toMachKey(key),
.mods = toMachMods(mods),
};
switch (action) {
.press => pf.pushEvent(.{
.key_press = .{
.key = toMachKey(key),
},
}),
.release => pf.pushEvent(.{
.key_release = .{
.key = toMachKey(key),
},
}),
else => {},
.press => pf.pushEvent(.{ .key_press = key_event }),
.repeat => pf.pushEvent(.{ .key_repeat = key_event }),
.release => pf.pushEvent(.{ .key_release = key_event }),
}
_ = scancode;
_ = mods;
}
}.callback;
platform.window.setKeyCallback(callback);
platform.window.setKeyCallback(key_callback);
const char_callback = struct {
fn callback(window: glfw.Window, codepoint: u21) void {
const pf = (window.getUserPointer(UserPtr) orelse unreachable).platform;
pf.pushEvent(.{
.char_input = .{
.codepoint = codepoint,
},
});
}
}.callback;
platform.window.setCharCallback(char_callback);
const mouse_motion_callback = struct {
fn callback(window: glfw.Window, xpos: f64, ypos: f64) void {
const pf = (window.getUserPointer(UserPtr) orelse unreachable).platform;
pf.last_cursor_position = .{
.x = xpos,
.y = ypos,
};
pf.pushEvent(.{
.mouse_motion = .{
.x = xpos,
.y = ypos,
.pos = .{
.x = xpos,
.y = ypos,
},
},
});
}
@ -250,17 +269,15 @@ pub const Platform = struct {
const mouse_button_callback = struct {
fn callback(window: glfw.Window, button: glfw.mouse_button.MouseButton, action: glfw.Action, mods: glfw.Mods) void {
const pf = (window.getUserPointer(UserPtr) orelse unreachable).platform;
const mouse_button_event = structs.MouseButtonEvent{
.button = toMachButton(button),
.pos = pf.last_cursor_position,
.mods = toMachMods(mods),
};
switch (action) {
.press => pf.pushEvent(.{
.mouse_press = .{
.button = toMachButton(button),
},
}),
.press => pf.pushEvent(.{ .mouse_press = mouse_button_event }),
.release => pf.pushEvent(.{
.mouse_release = .{
.button = toMachButton(button),
},
.mouse_release = mouse_button_event,
}),
else => {},
}
@ -283,6 +300,22 @@ pub const Platform = struct {
}.callback;
platform.window.setScrollCallback(scroll_callback);
const focus_callback = struct {
fn callback(window: glfw.Window, focused: bool) void {
const pf = (window.getUserPointer(UserPtr) orelse unreachable).platform;
pf.pushEvent(if (focused) .focus_gained else .focus_lost);
}
}.callback;
platform.window.setFocusCallback(focus_callback);
const close_callback = struct {
fn callback(window: glfw.Window) void {
const pf = (window.getUserPointer(UserPtr) orelse unreachable).platform;
pf.pushEvent(.closed);
}
}.callback;
platform.window.setCloseCallback(close_callback);
const size_callback = struct {
fn callback(window: glfw.Window, width: i32, height: i32) void {
const pf = (window.getUserPointer(UserPtr) orelse unreachable).platform;
@ -526,6 +559,17 @@ pub const Platform = struct {
};
}
fn toMachMods(mods: glfw.Mods) structs.KeyMods {
return .{
.shift = mods.shift,
.control = mods.control,
.alt = mods.alt,
.super = mods.super,
.caps_lock = mods.caps_lock,
.num_lock = mods.num_lock,
};
}
/// Default GLFW error handling callback
fn errorCallback(error_code: glfw.Error, description: [:0]const u8) void {
std.debug.print("glfw: {}: {s}\n", .{ error_code, description });