feat(win32 gui): add reset_fontsize and rest_fontface commands

src/keybind/builtin/emacs.json

@@ -1,6 +1,7 @@
 {
     "project": {
         "press": [
+            ["ctrl+0", "reset_fontsize"],
             ["ctrl+=", "adjust_fontsize", 1.0],
             ["ctrl+-", "adjust_fontsize", -1.0]
         ]

src/keybind/builtin/flow.json

@@ -1,6 +1,7 @@
 {
     "project": {
         "press": [
+            ["ctrl+0", "reset_fontsize"],
             ["ctrl+plus", "adjust_fontsize", 1.0],
             ["ctrl+minus", "adjust_fontsize", -1.0],
             ["f5", ["create_scratch_buffer", "*test*"], ["shell_execute_insert", "zig", "build", "test"]],

src/renderer/win32/renderer.zig

@@ -381,11 +381,21 @@ pub fn set_fontsize(self: *Self, fontsize: f32) void {
     gui.set_fontsize(hwnd, fontsize);
 }
 
+pub fn reset_fontsize(self: *Self) void {
+    const hwnd = self.hwnd orelse return;
+    gui.reset_fontsize(hwnd);
+}
+
 pub fn set_fontface(self: *Self, fontface: []const u8) void {
     const hwnd = self.hwnd orelse return;
     gui.set_fontface(hwnd, fontface);
 }
 
+pub fn reset_fontface(self: *Self) void {
+    const hwnd = self.hwnd orelse return;
+    gui.reset_fontface(hwnd);
+}
+
 pub fn set_terminal_cursor_color(self: *Self, color: Color) void {
     _ = self;
     _ = color;

src/tui/mainview.zig

@@ -653,6 +653,12 @@ const cmds = struct {
     }
     pub const set_fontsize_meta = .{ .arguments = &.{.float} };
 
+    pub fn reset_fontsize(_: *Self, _: Ctx) Result {
+        if (build_options.gui)
+            tui.current().rdr.reset_fontsize();
+    }
+    pub const reset_fontsize_meta = .{ .description = "Reset font to configured size" };
+
     pub fn set_fontface(_: *Self, ctx: Ctx) Result {
         var fontface: []const u8 = undefined;
         if (!try ctx.args.match(.{tp.extract(&fontface)}))
@@ -661,6 +667,12 @@ const cmds = struct {
             tui.current().rdr.set_fontface(fontface);
     }
     pub const set_fontface_meta = .{ .arguments = &.{.float} };
+
+    pub fn reset_fontface(_: *Self, _: Ctx) Result {
+        if (build_options.gui)
+            tui.current().rdr.reset_fontface();
+    }
+    pub const reset_fontface_meta = .{ .description = "Reset font to configured face" };
 };
 
 pub fn handle_editor_event(self: *Self, _: tp.pid_ref, m: tp.message) tp.result {

src/win32/gui.zig

@@ -28,13 +28,17 @@ const WM_APP_SET_BACKGROUND = win32.WM_APP + 2;
 const WM_APP_ADJUST_FONTSIZE = win32.WM_APP + 3;
 const WM_APP_SET_FONTSIZE = win32.WM_APP + 4;
 const WM_APP_SET_FONTFACE = win32.WM_APP + 5;
-const WM_APP_UPDATE_SCREEN = win32.WM_APP + 6;
+const WM_APP_RESET_FONTSIZE = win32.WM_APP + 6;
+const WM_APP_RESET_FONTFACE = win32.WM_APP + 7;
+const WM_APP_UPDATE_SCREEN = win32.WM_APP + 8;
 
 const WM_APP_EXIT_RESULT = 0x45feaa11;
 const WM_APP_SET_BACKGROUND_RESULT = 0x369a26cd;
 const WM_APP_ADJUST_FONTSIZE_RESULT = 0x79aba9ef;
 const WM_APP_SET_FONTSIZE_RESULT = 0x72fa44bc;
 const WM_APP_SET_FONTFACE_RESULT = 0x1a49ffa8;
+const WM_APP_RESET_FONTSIZE_RESULT = 0x082c4c0c;
+const WM_APP_RESET_FONTFACE_RESULT = 0x0101f996;
 const WM_APP_UPDATE_SCREEN_RESULT = 0x3add213b;
 
 pub const DropWriter = struct {
@@ -453,6 +457,15 @@ pub fn set_fontsize(hwnd: win32.HWND, fontsize: f32) void {
     ));
 }
 
+pub fn reset_fontsize(hwnd: win32.HWND) void {
+    std.debug.assert(WM_APP_RESET_FONTSIZE_RESULT == win32.SendMessageW(
+        hwnd,
+        WM_APP_RESET_FONTSIZE,
+        0,
+        0,
+    ));
+}
+
 pub fn set_fontface(hwnd: win32.HWND, fontface_utf8: []const u8) void {
     const fontface = FontFace.initUtf8(fontface_utf8) catch |e| {
         std.log.err("failed to set fontface '{s}' with {s}", .{ fontface_utf8, @errorName(e) });
@@ -466,6 +479,15 @@ pub fn set_fontface(hwnd: win32.HWND, fontface_utf8: []const u8) void {
     ));
 }
 
+pub fn reset_fontface(hwnd: win32.HWND) void {
+    std.debug.assert(WM_APP_RESET_FONTFACE_RESULT == win32.SendMessageW(
+        hwnd,
+        WM_APP_RESET_FONTFACE,
+        0,
+        0,
+    ));
+}
+
 pub fn updateScreen(hwnd: win32.HWND, screen: *const vaxis.Screen) void {
     std.debug.assert(WM_APP_UPDATE_SCREEN_RESULT == win32.SendMessageW(
         hwnd,
@@ -1085,6 +1107,13 @@ fn WndProc(
             win32.invalidateHwnd(hwnd);
             return WM_APP_SET_FONTSIZE_RESULT;
         },
+        WM_APP_RESET_FONTSIZE => {
+            const state = stateFromHwnd(hwnd);
+            global.fontsize = null;
+            updateWindowSize(hwnd, win32.WMSZ_BOTTOMRIGHT, &state.bounds);
+            win32.invalidateHwnd(hwnd);
+            return WM_APP_SET_FONTSIZE_RESULT;
+        },
         WM_APP_SET_FONTFACE => {
             const state = stateFromHwnd(hwnd);
             const fontface: *FontFace = @ptrFromInt(wparam);
@@ -1093,6 +1122,13 @@ fn WndProc(
             win32.invalidateHwnd(hwnd);
             return WM_APP_SET_FONTFACE_RESULT;
         },
+        WM_APP_RESET_FONTFACE => {
+            const state = stateFromHwnd(hwnd);
+            global.fontface = null;
+            updateWindowSize(hwnd, win32.WMSZ_BOTTOMRIGHT, &state.bounds);
+            win32.invalidateHwnd(hwnd);
+            return WM_APP_SET_FONTFACE_RESULT;
+        },
         WM_APP_UPDATE_SCREEN => {
             const screen: *const vaxis.Screen = @ptrFromInt(wparam);
             _ = global.screen_arena.reset(.retain_capacity);