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StScrollView: Implement real fade effect

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Implement an edge fade effect (top/bottom) using a
ClutterOffscreenEffect subclass, replacing the former
shadow hack.

https://bugzilla.gnome.org/show_bug.cgi?id=639460
This commit is contained in:
Adel Gadllah
2011-01-20 20:25:21 +01:00
parent df3560143d
commit 00ba937171
10 changed files with 446 additions and 159 deletions
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18
tests/interactive/scroll-view-sizing.js
View File

@ -319,17 +319,17 @@ function togglePolicy(button) {
hpolicy.connect('clicked', function() { togglePolicy(hpolicy); });
vpolicy.connect('clicked', function() { togglePolicy(vpolicy); });
let shadowsBox = new St.BoxLayout({ vertical: false });
mainBox.add(shadowsBox);
let fadeBox = new St.BoxLayout({ vertical: false });
mainBox.add(fadeBox);
spacer = new St.Bin();
shadowsBox.add(spacer, { expand: true });
fadeBox.add(spacer, { expand: true });
shadowsBox.add(new St.Label({ text: 'Vertical Shadows: '}));
let vshadows = new St.Button({ label: 'No', style: 'text-decoration: underline; color: #4444ff;' });
shadowsBox.add(vshadows);
fadeBox.add(new St.Label({ text: 'Vertical Fade: '}));
let vfade = new St.Button({ label: 'No', style: 'text-decoration: underline; color: #4444ff;' });
fadeBox.add(vfade);
function toggleShadows(button) {
function toggleFade(button) {
switch(button.label) {
case 'No':
button.label = 'Yes';
@ -338,10 +338,10 @@ function toggleShadows(button) {
button.label = 'No';
break;
}
scrollView.set_vshadows(vshadows.label == 'Yes');
scrollView.set_vfade(vfade.label == 'Yes');
}
vshadows.connect('clicked', function() { toggleShadows(vshadows); });
vfade.connect('clicked', function() { toggleFade(vfade); });
stage.show();
Clutter.main();