[gnome-shell/wip/carlosg/osk-updates: 35/40] keyboard: Propagate ratio changes to the emoji selection panel




commit b67a74be7fa5c2376c8930666c5a97b17355c719
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Jun 28 18:53:56 2022 +0200

    keyboard: Propagate ratio changes to the emoji selection panel
    
    Update the emoji panel so it can handle ratio changes dynamically,
    and propagate the ratio from the Keyboard itself, so that the
    emoji panel has a size that fits the OSK panel it was launched
    from.
    
    This is more important now with widely varying ratios, like
    extended keyboards.

 js/ui/keyboard.js | 63 +++++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 45 insertions(+), 18 deletions(-)
---
diff --git a/js/ui/keyboard.js b/js/ui/keyboard.js
index ded4802fe8..416a013351 100644
--- a/js/ui/keyboard.js
+++ b/js/ui/keyboard.js
@@ -58,7 +58,6 @@ class AspectContainer extends St.Widget {
     vfunc_allocate(box) {
         if (box.get_width() > 0 && box.get_height() > 0) {
             let sizeRatio = box.get_width() / box.get_height();
-
             if (sizeRatio >= this._ratio) {
                 /* Restrict horizontally */
                 let width = box.get_height() * this._ratio;
@@ -662,7 +661,7 @@ var EmojiPager = GObject.registerClass({
         },
     },
 }, class EmojiPager extends St.Widget {
-    _init(sections, nCols, nRows) {
+    _init(sections) {
         super._init({
             layout_manager: new Clutter.BinLayout(),
             reactive: true,
@@ -670,8 +669,6 @@ var EmojiPager = GObject.registerClass({
             y_expand: true,
         });
         this._sections = sections;
-        this._nCols = nCols;
-        this._nRows = nRows;
 
         this._pages = [];
         this._panel = null;
@@ -682,8 +679,6 @@ var EmojiPager = GObject.registerClass({
         this._delta = 0;
         this._width = null;
 
-        this._initPagingInfo();
-
         let panAction = new Clutter.PanAction({ interpolate: false });
         panAction.connect('pan', this._onPan.bind(this));
         panAction.connect('gesture-begin', this._onPanBegin.bind(this));
@@ -811,6 +806,8 @@ var EmojiPager = GObject.registerClass({
     }
 
     _initPagingInfo() {
+        this._pages = [];
+
         for (let i = 0; i < this._sections.length; i++) {
             let section = this._sections[i];
             let itemsPerPage = this._nCols * this._nRows;
@@ -938,6 +935,12 @@ var EmojiPager = GObject.registerClass({
             }
         }
     }
+
+    setRatio(nCols, nRows) {
+        this._nCols = nCols;
+        this._nRows = nRows;
+        this._initPagingInfo();
+    }
 });
 
 var EmojiSelection = GObject.registerClass({
@@ -946,13 +949,18 @@ var EmojiSelection = GObject.registerClass({
         'close-request': {},
         'toggle': {},
     },
-}, class EmojiSelection extends St.BoxLayout {
+}, class EmojiSelection extends St.Widget {
     _init() {
+        const gridLayout = new Clutter.GridLayout({
+            orientation: Clutter.Orientation.HORIZONTAL,
+            column_homogeneous: true,
+            row_homogeneous: true,
+        });
         super._init({
+            layout_manager: gridLayout,
             style_class: 'emoji-panel',
             x_expand: true,
             y_expand: true,
-            vertical: true,
         });
 
         this._sections = [
@@ -967,28 +975,36 @@ var EmojiSelection = GObject.registerClass({
             { first: 'chequered flag', label: '🚩️' },
         ];
 
+        this._gridLayout = gridLayout;
         this._populateSections();
 
-        this._emojiPager = new EmojiPager(this._sections, 11, 3);
+        this._pagerBox = new Clutter.Actor({
+            layout_manager: new Clutter.BoxLayout({
+                orientation: Clutter.Orientation.VERTICAL,
+            }),
+        });
+
+        this._emojiPager = new EmojiPager(this._sections);
         this._emojiPager.connect('page-changed', (pager, sectionLabel, page, nPages) => {
             this._onPageChanged(sectionLabel, page, nPages);
         });
         this._emojiPager.connect('emoji', (pager, str) => {
             this.emit('emoji-selected', str);
         });
-        this.add_child(this._emojiPager);
+        this._pagerBox.add_child(this._emojiPager);
 
         this._pageIndicator = new PageIndicators.PageIndicators(
             Clutter.Orientation.HORIZONTAL);
-        this.add_child(this._pageIndicator);
+        this._pageIndicator.y_expand = false;
+        this._pageIndicator.y_align = Clutter.ActorAlign.START;
+        this._pagerBox.add_child(this._pageIndicator);
         this._pageIndicator.setReactive(false);
 
         this._emojiPager.connect('notify::delta', () => {
             this._updateIndicatorPosition();
         });
 
-        let bottomRow = this._createBottomRow();
-        this.add_child(bottomRow);
+        this._bottomRow = this._createBottomRow();
 
         this._curPage = 0;
     }
@@ -1091,14 +1107,24 @@ var EmojiSelection = GObject.registerClass({
             y_expand: true,
         });
         actor.add_child(row);
-        /* Regular keyboard layouts are 11.5×4 grids, optimize for that
-         * at the moment. Ideally this should be as wide as the current
-         * keymap.
-         */
-        actor.setRatio(11.5, 1);
 
         return actor;
     }
+
+    setRatio(nCols, nRows) {
+        this._emojiPager.setRatio(Math.floor(nCols), Math.floor(nRows) - 1);
+        this._bottomRow.setRatio(nCols, 1);
+
+        // (Re)attach actors so the emoji panel fits the ratio and
+        // the bottom row is ensured to take 1 row high.
+        if (this._pagerBox.get_parent())
+            this.remove_child(this._pagerBox);
+        if (this._bottomRow.get_parent())
+            this.remove_child(this._bottomRow);
+
+        this._gridLayout.attach(this._pagerBox, 0, 0, 1, Math.floor(nRows) - 1);
+        this._gridLayout.attach(this._bottomRow, 0, Math.floor(nRows) - 1, 1, 1);
+    }
 });
 
 var Keypad = GObject.registerClass({
@@ -1862,6 +1888,7 @@ var Keyboard = GObject.registerClass({
         });
         this._updateCurrentPageVisible();
         this._aspectContainer.setRatio(...this._currentPage.getRatio());
+        this._emojiSelection.setRatio(...this._currentPage.getRatio());
     }
 
     _clearKeyboardRestTimer() {


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