Add option to spread out coverflow windows and change their angles

dsheeler · Feb 6, 2025 · c9958ad · c9958ad
1 parent 99941c6
commit c9958ad
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Showing 4 changed files with 28 additions and 9 deletions.
diff --git a/schemas/org.gnome.shell.extensions.coverflowalttab.gschema.xml b/schemas/org.gnome.shell.extensions.coverflowalttab.gschema.xml
@@ -145,6 +145,16 @@
         <summary>In Coverflow Switcher, scales the previews as they spread out to the sides in </summary>
         <description>Define the scale factor successively applied each step away from the current preview.</description>
     </key>
+    <key type="d" name="coverflow-window-angle">
+        <range min="0" max="360"/>
+        <default>90</default>
+        <summary>In Coverflow switcher, angle of off-center windows</summary>
+    </key>
+    <key type="d" name="coverflow-window-offset-width">
+        <range min="0" max="1000"/>
+        <default>50</default>
+        <summary>In Coverflow switcher, distance from center of off-center windows</summary>
+    </key>
     <key type="b" name="bind-to-switch-applications">
         <default>true</default>
         <summary>Bind to 'switch-applications' keybinding</summary>

diff --git a/src/coverflowSwitcher.js b/src/coverflowSwitcher.js
@@ -27,7 +27,6 @@ import {Switcher} from './switcher.js';
 const BaseSwitcher = Switcher;
 import {Preview, Placement, Direction, findUpperLeftFromCenter} from './preview.js'
 
-const SIDE_ANGLE = 90;
 const ALPHA = 1;
 
 function appendParams(base, extra) {
@@ -51,7 +50,7 @@ export class CoverflowSwitcher extends BaseSwitcher {
             y: this.actor.height / 2 + this._settings.offset
         };
         let ratio = this._settings.preview_to_monitor_ratio;
-        this._xOffsetLeft = this.actor.width * (0.5 * (1 - ratio) - 0.1 * ratio)
+        this._xOffsetLeft = this.actor.width * (0.5 * (1 - ratio) - 0.1 * ratio);
         this._xOffsetRight = this.actor.width - this._xOffsetLeft;
 
         for (let windowActor of global.get_window_actors()) {
@@ -212,12 +211,13 @@ export class CoverflowSwitcher extends BaseSwitcher {
             scale_z: scale,
             pivot_point: pivot_point,
         };
+        const window_offset_width = this._settings.coverflow_window_offset_width;
         if (index < pivot_index) {
-            tweenParams.translation_x = xOffset - (this._previewsCenterPosition.x
-                - preview.width / 2) + 50 * (index - pivot_index);
+            tweenParams.translation_x =  (xOffset - (this._previewsCenterPosition.x
+                - preview.width / 2) +  window_offset_width * (index - pivot_index));
         } else {
-            tweenParams.translation_x = xOffset - (this._previewsCenterPosition.x
-                + preview.width / 2) + 50 * (index - pivot_index);
+            tweenParams.translation_x = (xOffset - (this._previewsCenterPosition.x
+                + preview.width / 2) + window_offset_width  * (index - pivot_index));
         }
         appendParams(tweenParams, extraParams);
         this._manager.platform.tween(preview, tweenParams);
@@ -282,6 +282,8 @@ export class CoverflowSwitcher extends BaseSwitcher {
     }
 
     _updatePreview(idx, zeroIndexPreview, preview, i, reorder_only, animation_time) {
+        const  side_angle = this._settings.coverflow_window_angle;
+
         let half_length = Math.floor(this._previews.length / 2);
         let pivot_index = (this._usingCarousel()) ?
          half_length : this._currentIndex;
@@ -296,7 +298,7 @@ export class CoverflowSwitcher extends BaseSwitcher {
         } else if (idx < pivot_index) {
             preview.make_top_layer(this.previewActor);
             if (!reorder_only) {
-                let final_angle = SIDE_ANGLE + this._getPerspectiveCorrectionAngle(0);
+                let final_angle = side_angle + this._getPerspectiveCorrectionAngle(0);
                 let progress = pivot_index - idx < 1 ? pivot_index - idx : 1;
                 let center_offset = (this._xOffsetLeft + this._xOffsetRight) / 2;
                 this._animatePreviewToSide(preview, idx, center_offset - preview.width / 2 - progress * (center_offset - preview.width / 2 - this._xOffsetLeft), {
@@ -308,7 +310,7 @@ export class CoverflowSwitcher extends BaseSwitcher {
         } else /* i > this._currentIndex */ {
             preview.make_bottom_layer(this.previewActor);
             if (!reorder_only) {
-                let final_angle = -SIDE_ANGLE + this._getPerspectiveCorrectionAngle(1);
+                let final_angle = -side_angle + this._getPerspectiveCorrectionAngle(1);
                 let progress = idx - pivot_index < 1 ? idx - pivot_index : 1;
                 let center_offset = (this._xOffsetLeft + this._xOffsetRight) / 2;
                 this._animatePreviewToSide(preview, idx, center_offset + preview.width / 2 + progress * (this._xOffsetRight - center_offset - preview.width / 2), {

diff --git a/src/platform.js b/src/platform.js
@@ -144,6 +144,8 @@ class AbstractPlatform {
             verbose_logging: false,
             natural_scrolling: true,
             icon_add_remove_effects: "Fade Only",
+            coverflow_window_angle: 90,
+            coverflow_window_offset_width: 50,
         };
     }
 
@@ -257,6 +259,8 @@ export class PlatformGnomeShell extends AbstractPlatform {
             "prefs-default-height",
             "verbose-logging",
             "icon-add-remove-effects",
+            "coverflow-window-angle",
+            "coverflow-window-offset-width",
         ];
 
         let dkeys = [
@@ -409,6 +413,8 @@ export class PlatformGnomeShell extends AbstractPlatform {
                 verbose_logging: settings.get_boolean("verbose-logging"),
                 natural_scrolling: touchpadSettings.get_boolean(KEY_NATURAL_SCROLL),
                 icon_add_remove_effects: settings.get_string("icon-add-remove-effects"),
+                coverflow_window_angle: settings.get_double("coverflow-window-angle"),
+                coverflow_window_offset_width: settings.get_double("coverflow-window-offset-width"),
             };
         } catch (e) {
             this._logger.log(e);

diff --git a/src/prefs.js b/src/prefs.js
@@ -289,7 +289,8 @@ export default class CoverflowAltTabPreferences extends ExtensionPreferences {
         window_size_page.add(windows_pref_group);
         window_size_pref_group.add(buildRangeAdw(settings, "preview-to-monitor-ratio", [0, 1, 0.001, [0.250, 0.500, 0.750]], _("Window Preview Size to Monitor Size Ratio"), _("Maximum ratio of window preview size to monitor size."), true));
         window_size_pref_group.add(buildRangeAdw(settings, "preview-scaling-factor", [0, 1, 0.001, [0.250, 0.500, 0.800]], _("Off-center Size Factor"), _("Factor by which to successively shrink previews off to the side."), true));
-
+        window_size_pref_group.add(buildRangeAdw(settings, "coverflow-window-angle", [0, 360, 0.5, [0, 90, 180, 270]], _("Coverflow Window Angle"), _("Angle of off-center windows in coverflow mode."), true));
+        window_size_pref_group.add(buildRangeAdw(settings, "coverflow-window-offset-width", [0, 1000, 1, [0, 50,]], _("Coverflow Window Offset Width"), _("How far windows are off to the side in coverflow mode."), true));
         let background_application_page = new Adw.PreferencesPage({
             title: _("AppSwitcher"),
             icon_name: "appswitcher-symbolic"