Fix #8033 - text size zoom

[roobuilder] / src / Builder4 / Editor.bjs

diff --git a/src/Builder4/Editor.bjs b/src/Builder4/Editor.bjs
index 0033aa4..9d335fd 100644 (file)
--- a/src/Builder4/Editor.bjs
+++ b/src/Builder4/Editor.bjs
@@ -467,12 +467,26 @@
          ]
         },
         {
+         "# bool is_control" : false,
          "$ xns" : "Gtk",
+         "id" : "keystate",
          "listeners" : {
+          "key_pressed" : [
+           "(keyval, keycode, state) => {",
+           "",
+           " \tif (keyval == Gdk.Key.Control_L || keyval == Gdk.Key.Control_R) {",
+           " \t\tthis.is_control = true;",
+           "\t}",
+           "\treturn false;",
+           "}",
+           ""
+          ],
           "key_released" : [
            "(keyval, keycode, state) => {",
            "",
-           "  ",
+           " \t if (keyval == Gdk.Key.Control_L || keyval == Gdk.Key.Control_R) {",
+           " \t\tthis.is_control = false;",
+           "\t}",
            "    if (keyval == Gdk.Key.s && (state & Gdk.ModifierType.CONTROL_MASK ) > 0 ) {",
            "        GLib.debug(\"SAVE: ctrl-S  pressed\");",
            "        _this.saveContents();",
@@ -518,6 +532,35 @@
           ]
          },
          "xtype" : "EventControllerKey"
+        },
+        {
+         "# double distance" : "0.0f",
+         "$ xns" : "Gtk",
+         "Gtk.EventControllerScrollFlags flags" : "Gtk.EventControllerScrollFlags.VERTICAL",
+         "listeners" : {
+          "scroll" : [
+           "(dx, dy) => {",
+           "\tif (!_this.keystate.is_control) {",
+           "\t\treturn false;",
+           "\t}",
+           "\t//GLib.debug(\"scroll %f\",  dy);",
+           "\t",
+           "\tthis.distance += dy;",
+           "\tif (this.distance < 1) {",
+           "\t\tBuilderApplication.settings.editor_font_size ++;",
+           "\t\tthis.distance = 0;",
+           "\t}",
+           "\tif (this.distance > -1) {",
+           "\t\tBuilderApplication.settings.editor_font_size --;",
+           "\t\tthis.distance = 0;",
+           "\t}",
+           "",
+           "\treturn true;",
+           "}",
+           ""
+          ]
+         },
+         "xtype" : "EventControllerScroll"
         }
        ],
        "listeners" : {