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List:       webkit-changes
Subject:    [webkit-changes] [75241] trunk/WebCore
From:       carlosgc () webkit ! org
Date:       2011-01-07 13:58:58
Message-ID: 20110107135859.D6F1762618D3 () beta ! macosforge ! org
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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a \
href="http://trac.webkit.org/projects/webkit/changeset/75241">75241</a></dd> \
<dt>Author</dt> <dd>carlosgc@webkit.org</dd> <dt>Date</dt> <dd>2011-01-07 05:58:53 \
-0800 (Fri, 07 Jan 2011)</dd> </dl>

<h3>Log Message</h3>
<pre>2011-01-07  Carlos Garcia Campos  &lt;cgarcia@igalia.com&gt; and Martin Robinson \
&lt;mrobinson@igalia.com&gt;

        Reviewed by Xan Lopez.

        [GTK] Port slider painting to GtkStyleContext
        https://bugs.webkit.org/show_bug.cgi?id=51874

        Use GtkStyleContext API to paint sliders when building with GTK+
        3.x. Also move the code to adjust media slider to its own method
        in RenderThemeGtk.cpp since it's common to both gtk 2 and 3.

        No new tests. This should not change functionality.

        * platform/gtk/RenderThemeGtk.cpp:
        (WebCore::RenderThemeGtk::adjustMediaSliderThumbSize):
        * platform/gtk/RenderThemeGtk.h:
        * platform/gtk/RenderThemeGtk2.cpp:
        (WebCore::RenderThemeGtk::adjustSliderThumbSize):
        * platform/gtk/RenderThemeGtk3.cpp:
        (WebCore::RenderThemeGtk::paintSliderTrack):
        (WebCore::RenderThemeGtk::paintSliderThumb):
        (WebCore::RenderThemeGtk::adjustSliderThumbSize):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkWebCoreChangeLog">trunk/WebCore/ChangeLog</a></li>
<li><a href="#trunkWebCoreplatformgtkRenderThemeGtkcpp">trunk/WebCore/platform/gtk/RenderThemeGtk.cpp</a></li>
 <li><a href="#trunkWebCoreplatformgtkRenderThemeGtkh">trunk/WebCore/platform/gtk/RenderThemeGtk.h</a></li>
 <li><a href="#trunkWebCoreplatformgtkRenderThemeGtk2cpp">trunk/WebCore/platform/gtk/RenderThemeGtk2.cpp</a></li>
 <li><a href="#trunkWebCoreplatformgtkRenderThemeGtk3cpp">trunk/WebCore/platform/gtk/RenderThemeGtk3.cpp</a></li>
 </ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/WebCore/ChangeLog (75240 => 75241)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/WebCore/ChangeLog	2011-01-07 13:07:21 UTC (rev 75240)
+++ trunk/WebCore/ChangeLog	2011-01-07 13:58:53 UTC (rev 75241)
</span><span class="lines">@@ -1,3 +1,26 @@
</span><ins>+2011-01-07  Carlos Garcia Campos  &lt;cgarcia@igalia.com&gt; and Martin \
Robinson  &lt;mrobinson@igalia.com&gt; +
+        Reviewed by Xan Lopez.
+
+        [GTK] Port slider painting to GtkStyleContext
+        https://bugs.webkit.org/show_bug.cgi?id=51874
+
+        Use GtkStyleContext API to paint sliders when building with GTK+
+        3.x. Also move the code to adjust media slider to its own method
+        in RenderThemeGtk.cpp since it's common to both gtk 2 and 3.
+
+        No new tests. This should not change functionality.
+
+        * platform/gtk/RenderThemeGtk.cpp:
+        (WebCore::RenderThemeGtk::adjustMediaSliderThumbSize):
+        * platform/gtk/RenderThemeGtk.h:
+        * platform/gtk/RenderThemeGtk2.cpp:
+        (WebCore::RenderThemeGtk::adjustSliderThumbSize):
+        * platform/gtk/RenderThemeGtk3.cpp:
+        (WebCore::RenderThemeGtk::paintSliderTrack):
+        (WebCore::RenderThemeGtk::paintSliderThumb):
+        (WebCore::RenderThemeGtk::adjustSliderThumbSize):
+
</ins><span class="cx"> 2011-01-07  Benjamin Poulain  \
&lt;benjamin.poulain@nokia.com&gt; </span><span class="cx"> 
</span><span class="cx">         Reviewed by Andreas Kling.
</span></span></pre></div>
<a id="trunkWebCoreplatformgtkRenderThemeGtkcpp"></a>
<div class="modfile"><h4>Modified: trunk/WebCore/platform/gtk/RenderThemeGtk.cpp \
(75240 => 75241)</h4> <pre class="diff"><span>
<span class="info">--- trunk/WebCore/platform/gtk/RenderThemeGtk.cpp	2011-01-07 \
                13:07:21 UTC (rev 75240)
+++ trunk/WebCore/platform/gtk/RenderThemeGtk.cpp	2011-01-07 13:58:53 UTC (rev 75241)
</span><span class="lines">@@ -436,6 +436,16 @@
</span><span class="cx">     return String(mediaControlsGtkUserAgentStyleSheet, \
sizeof(mediaControlsGtkUserAgentStyleSheet)); </span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void RenderThemeGtk::adjustMediaSliderThumbSize(RenderObject* \
renderObject) const +{
+    ControlPart part = renderObject-&gt;style()-&gt;appearance();
+
+    if (part == MediaSliderThumbPart) {
+        renderObject-&gt;style()-&gt;setWidth(Length(m_mediaSliderThumbWidth, \
Fixed)); +        renderObject-&gt;style()-&gt;setHeight(Length(m_mediaSliderThumbHeight, \
Fixed)); +    }
+}
+
</ins><span class="cx"> bool RenderThemeGtk::paintMediaButton(RenderObject* \
renderObject, GraphicsContext* context, const IntRect&amp; rect, const char* \
iconName) </span><span class="cx"> {
</span><span class="cx">     GRefPtr&lt;GdkPixbuf&gt; icon = \
getStockIcon(GTK_TYPE_CONTAINER, iconName, </span></span></pre></div>
<a id="trunkWebCoreplatformgtkRenderThemeGtkh"></a>
<div class="modfile"><h4>Modified: trunk/WebCore/platform/gtk/RenderThemeGtk.h (75240 \
=> 75241)</h4> <pre class="diff"><span>
<span class="info">--- trunk/WebCore/platform/gtk/RenderThemeGtk.h	2011-01-07 \
                13:07:21 UTC (rev 75240)
+++ trunk/WebCore/platform/gtk/RenderThemeGtk.h	2011-01-07 13:58:53 UTC (rev 75241)
</span><span class="lines">@@ -54,6 +54,8 @@
</span><span class="cx">     // A general method asking if any control tinting is \
supported at all. </span><span class="cx">     virtual bool supportsControlTints() \
const { return true; } </span><span class="cx"> 
</span><ins>+    virtual void adjustRepaintRect(const RenderObject*, IntRect&amp;);
+
</ins><span class="cx">     // A method to obtain the baseline position for a \
&quot;leaf&quot; control.  This will only be used if a baseline </span><span \
class="cx">     // position cannot be determined by examining child content. \
Checkboxes and radio buttons are examples of </span><span class="cx">     // controls \
that need to do this. </span><span class="lines">@@ -138,6 +140,7 @@
</span><span class="cx"> #if ENABLE(VIDEO)
</span><span class="cx">     void initMediaColors();
</span><span class="cx">     void initMediaButtons();
</span><ins>+    void adjustMediaSliderThumbSize(RenderObject*) const;
</ins><span class="cx">     virtual bool paintMediaFullscreenButton(RenderObject*, \
const PaintInfo&amp;, const IntRect&amp;); </span><span class="cx">     virtual bool \
paintMediaPlayButton(RenderObject*, const PaintInfo&amp;, const IntRect&amp;); \
</span><span class="cx">     virtual bool paintMediaMuteButton(RenderObject*, const \
PaintInfo&amp;, const IntRect&amp;); </span></span></pre></div>
<a id="trunkWebCoreplatformgtkRenderThemeGtk2cpp"></a>
<div class="modfile"><h4>Modified: trunk/WebCore/platform/gtk/RenderThemeGtk2.cpp \
(75240 => 75241)</h4> <pre class="diff"><span>
<span class="info">--- trunk/WebCore/platform/gtk/RenderThemeGtk2.cpp	2011-01-07 \
                13:07:21 UTC (rev 75240)
+++ trunk/WebCore/platform/gtk/RenderThemeGtk2.cpp	2011-01-07 13:58:53 UTC (rev \
75241) </span><span class="lines">@@ -59,6 +59,10 @@
</span><span class="cx"> }
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><ins>+void RenderThemeGtk::adjustRepaintRect(const RenderObject*, \
IntRect&amp;) +{
+}
+
</ins><span class="cx"> GtkStateType RenderThemeGtk::getGtkStateType(RenderObject* \
object) </span><span class="cx"> {
</span><span class="cx">     if (!isEnabled(object) || isReadOnlyControl(object))
</span><span class="lines">@@ -302,13 +306,10 @@
</span><span class="cx"> {
</span><span class="cx">     ControlPart part = o-&gt;style()-&gt;appearance();
</span><span class="cx"> #if ENABLE(VIDEO)
</span><del>-    if (part == MediaSliderThumbPart) {
-        o-&gt;style()-&gt;setWidth(Length(m_mediaSliderThumbWidth, Fixed));
-        o-&gt;style()-&gt;setHeight(Length(m_mediaSliderThumbHeight, Fixed));
</del><ins>+    if (part == MediaSliderThumbPart || part == \
MediaVolumeSliderThumbPart) { +        adjustMediaSliderThumbSize(o);
</ins><span class="cx">         return;
</span><span class="cx">     }
</span><del>-    if (part == MediaVolumeSliderThumbPart)
-        return;
</del><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     GtkWidget* widget = part == SliderThumbHorizontalPart ? \
gtkHScale() : gtkVScale(); </span></span></pre></div>
<a id="trunkWebCoreplatformgtkRenderThemeGtk3cpp"></a>
<div class="modfile"><h4>Modified: trunk/WebCore/platform/gtk/RenderThemeGtk3.cpp \
(75240 => 75241)</h4> <pre class="diff"><span>
<span class="info">--- trunk/WebCore/platform/gtk/RenderThemeGtk3.cpp	2011-01-07 \
                13:07:21 UTC (rev 75240)
+++ trunk/WebCore/platform/gtk/RenderThemeGtk3.cpp	2011-01-07 13:58:53 UTC (rev \
75241) </span><span class="lines">@@ -101,6 +101,24 @@
</span><span class="cx">     m_sliderThumbColor = style-&gt;bg[GTK_STATE_SELECTED];
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void RenderThemeGtk::adjustRepaintRect(const RenderObject* renderObject, \
IntRect&amp; rect) +{
+    ControlPart part = renderObject-&gt;style()-&gt;appearance();
+    switch (part) {
+    case SliderVerticalPart:
+    case SliderHorizontalPart: {
+        GtkStyleContext* context = getStyleContext(part == SliderThumbHorizontalPart \
?  GTK_TYPE_HSCALE : GTK_TYPE_VSCALE); +        gint focusWidth, focusPad;
+        gtk_style_context_get_style(context,
+                                    &quot;focus-line-width&quot;, &amp;focusWidth,
+                                    &quot;focus-padding&quot;, &amp;focusPad, NULL);
+        rect.inflate(focusWidth + focusPad);
+    }
+    default:
+        break;
+    }
+}
+
</ins><span class="cx"> GtkStateType RenderThemeGtk::getGtkStateType(RenderObject* \
object) </span><span class="cx"> {
</span><span class="cx">     if (!isEnabled(object) || isReadOnlyControl(object))
</span><span class="lines">@@ -273,94 +291,99 @@
</span><span class="cx">     return paintRenderObject(MOZ_GTK_ENTRY, object, \
info.context, rect); </span><span class="cx"> }
</span><span class="cx"> 
</span><del>-bool RenderThemeGtk::paintSliderTrack(RenderObject* object, const \
PaintInfo&amp; info, const IntRect&amp; rect) </del><ins>+bool \
RenderThemeGtk::paintSliderTrack(RenderObject* renderObject, const PaintInfo&amp; \
paintInfo, const IntRect&amp; rect) </ins><span class="cx"> {
</span><del>-    if (info.context-&gt;paintingDisabled())
-        return false;
-
-    ControlPart part = object-&gt;style()-&gt;appearance();
</del><ins>+    ControlPart part = renderObject-&gt;style()-&gt;appearance();
</ins><span class="cx">     ASSERT(part == SliderHorizontalPart || part == \
SliderVerticalPart); </span><span class="cx"> 
</span><del>-    // We shrink the trough rect slightly to make room for the focus \
                indicator.
-    IntRect troughRect(IntPoint(), rect.size()); // This is relative to rect.
-    GtkWidget* widget = 0;
-    if (part == SliderVerticalPart) {
-        widget = gtkVScale();
-        troughRect.inflateY(-gtk_widget_get_style(widget)-&gt;ythickness);
-    } else {
-        widget = gtkHScale();
-        troughRect.inflateX(-gtk_widget_get_style(widget)-&gt;xthickness);
</del><ins>+    GtkStyleContext* context = getStyleContext(part == \
SliderThumbHorizontalPart ? GTK_TYPE_HSCALE : GTK_TYPE_VSCALE); +    \
gtk_style_context_save(context); +
+    gtk_style_context_set_direction(context, \
gtkTextDirection(renderObject-&gt;style()-&gt;direction())); +    \
gtk_style_context_add_class(context, GTK_STYLE_CLASS_SCALE); +    \
gtk_style_context_add_class(context, GTK_STYLE_CLASS_TROUGH); +
+    if (!isEnabled(renderObject) || isReadOnlyControl(renderObject))
+        gtk_style_context_set_state(context, GTK_STATE_FLAG_INSENSITIVE);
+
+    gtk_render_background(context, paintInfo.context-&gt;platformContext(),
+                          rect.x(), rect.y(), rect.width(), rect.height());
+    gtk_render_frame(context, paintInfo.context-&gt;platformContext(),
+                     rect.x(), rect.y(), rect.width(), rect.height());
+
+    if (isFocused(renderObject)) {
+        gint focusWidth, focusPad;
+        gtk_style_context_get_style(context,
+                                    &quot;focus-line-width&quot;, &amp;focusWidth,
+                                    &quot;focus-padding&quot;, &amp;focusPad, NULL);
+        IntRect focusRect(rect);
+        focusRect.inflate(focusWidth + focusPad);
+        gtk_render_focus(context, paintInfo.context-&gt;platformContext(),
+                         focusRect.x(), focusRect.y(), focusRect.width(), \
focusRect.height()); </ins><span class="cx">     }
</span><del>-    gtk_widget_set_direction(widget, \
gtkTextDirection(object-&gt;style()-&gt;direction())); </del><span class="cx"> 
</span><del>-    WidgetRenderingContext widgetContext(info.context, rect);
-    widgetContext.gtkPaintBox(troughRect, widget, GTK_STATE_ACTIVE, GTK_SHADOW_OUT, \
                &quot;trough&quot;);
-    if (isFocused(object))
-        widgetContext.gtkPaintFocus(IntRect(IntPoint(), rect.size()), widget, \
                getGtkStateType(object), &quot;trough&quot;);
-
</del><ins>+    gtk_style_context_restore(context);
</ins><span class="cx">     return false;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-bool RenderThemeGtk::paintSliderThumb(RenderObject* object, const \
PaintInfo&amp; info, const IntRect&amp; rect) </del><ins>+bool \
RenderThemeGtk::paintSliderThumb(RenderObject* renderObject, const PaintInfo&amp; \
paintInfo, const IntRect&amp; rect) </ins><span class="cx"> {
</span><del>-    if (info.context-&gt;paintingDisabled())
-        return false;
-
-    ControlPart part = object-&gt;style()-&gt;appearance();
</del><ins>+    ControlPart part = renderObject-&gt;style()-&gt;appearance();
</ins><span class="cx">     ASSERT(part == SliderThumbHorizontalPart || part == \
SliderThumbVerticalPart); </span><span class="cx"> 
</span><del>-    GtkWidget* widget = 0;
-    const char* detail = 0;
-    GtkOrientation orientation;
-    if (part == SliderThumbVerticalPart) {
-        widget = gtkVScale();
-        detail = &quot;vscale&quot;;
-        orientation = GTK_ORIENTATION_VERTICAL;
-    } else {
-        widget = gtkHScale();
-        detail = &quot;hscale&quot;;
-        orientation = GTK_ORIENTATION_HORIZONTAL;
-    }
-    gtk_widget_set_direction(widget, \
gtkTextDirection(object-&gt;style()-&gt;direction())); </del><ins>+    \
GtkStyleContext* context = getStyleContext(part == SliderThumbHorizontalPart ? \
GTK_TYPE_HSCALE : GTK_TYPE_VSCALE); +    gtk_style_context_save(context);
</ins><span class="cx"> 
</span><del>-    // Only some themes have slider thumbs respond to clicks and some \
                don't. This information is
-    // gathered via the 'activate-slider' property, but it's deprecated in GTK+ 2.22 \
                and removed in
-    // GTK+ 3.x. The drawback of not honoring it is that slider thumbs change color \
                when you click
-    // on them. 
-    IntRect thumbRect(IntPoint(), rect.size());
-    WidgetRenderingContext widgetContext(info.context, rect);
-    widgetContext.gtkPaintSlider(thumbRect, widget, getGtkStateType(object), \
GTK_SHADOW_OUT, detail, orientation); </del><ins>+    \
gtk_style_context_set_direction(context, \
gtkTextDirection(renderObject-&gt;style()-&gt;direction())); +    \
gtk_style_context_add_class(context, GTK_STYLE_CLASS_SCALE); +    \
gtk_style_context_add_class(context, GTK_STYLE_CLASS_SLIDER); +
+    gint troughBorder;
+    gtk_style_context_get_style(context, &quot;trough-border&quot;, \
&amp;troughBorder, NULL); +
+    IntRect sliderRect(rect);
+    sliderRect.inflate(-troughBorder);
+
+    guint flags = 0;
+    if (!isEnabled(renderObject) || isReadOnlyControl(renderObject))
+        flags |= GTK_STATE_FLAG_INSENSITIVE;
+    else if (isHovered(renderObject))
+        flags |= GTK_STATE_FLAG_PRELIGHT;
+    if (isPressed(renderObject))
+        flags |= GTK_STATE_FLAG_ACTIVE;
+    gtk_style_context_set_state(context, static_cast&lt;GtkStateFlags&gt;(flags));
+
+    gtk_render_slider(context, paintInfo.context-&gt;platformContext(), \
sliderRect.x(), sliderRect.y(), sliderRect.width(), sliderRect.height(), +            \
part == SliderThumbHorizontalPart ? GTK_ORIENTATION_HORIZONTAL : \
GTK_ORIENTATION_VERTICAL); +
+    gtk_style_context_restore(context);
+
</ins><span class="cx">     return false;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void RenderThemeGtk::adjustSliderThumbSize(RenderObject* o) const
</del><ins>+void RenderThemeGtk::adjustSliderThumbSize(RenderObject* renderObject) \
const </ins><span class="cx"> {
</span><del>-    ControlPart part = o-&gt;style()-&gt;appearance();
</del><ins>+    ControlPart part = renderObject-&gt;style()-&gt;appearance();
</ins><span class="cx"> #if ENABLE(VIDEO)
</span><del>-    if (part == MediaSliderThumbPart) {
-        o-&gt;style()-&gt;setWidth(Length(m_mediaSliderThumbWidth, Fixed));
-        o-&gt;style()-&gt;setHeight(Length(m_mediaSliderThumbHeight, Fixed));
</del><ins>+    if (part == MediaSliderThumbPart || part == \
MediaVolumeSliderThumbPart) { +        adjustMediaSliderThumbSize(renderObject);
</ins><span class="cx">         return;
</span><span class="cx">     }
</span><del>-    if (part == MediaVolumeSliderThumbPart)
-        return;
</del><span class="cx"> #endif
</span><span class="cx"> 
</span><del>-    GtkWidget* widget = part == SliderThumbHorizontalPart ? gtkHScale() \
                : gtkVScale();
-    int length = 0, width = 0;
-    gtk_widget_style_get(widget,
-                         &quot;slider_length&quot;, &amp;length,
-                         &quot;slider_width&quot;, &amp;width,
-                         NULL);
-
</del><ins>+    gint sliderWidth, sliderLength;
+    gtk_style_context_get_style(getStyleContext(part == SliderThumbHorizontalPart ? \
GTK_TYPE_HSCALE : GTK_TYPE_VSCALE), +                                \
&quot;slider-width&quot;, &amp;sliderWidth, +                                \
&quot;slider-length&quot;, &amp;sliderLength, +                                NULL);
</ins><span class="cx">     if (part == SliderThumbHorizontalPart) {
</span><del>-        o-&gt;style()-&gt;setWidth(Length(length, Fixed));
-        o-&gt;style()-&gt;setHeight(Length(width, Fixed));
</del><ins>+        renderObject-&gt;style()-&gt;setWidth(Length(sliderLength, \
Fixed)); +        renderObject-&gt;style()-&gt;setHeight(Length(sliderWidth, Fixed));
</ins><span class="cx">         return;
</span><span class="cx">     }
</span><span class="cx">     ASSERT(part == SliderThumbVerticalPart);
</span><del>-    o-&gt;style()-&gt;setWidth(Length(width, Fixed));
-    o-&gt;style()-&gt;setHeight(Length(length, Fixed));
</del><ins>+    renderObject-&gt;style()-&gt;setWidth(Length(sliderWidth, Fixed));
+    renderObject-&gt;style()-&gt;setHeight(Length(sliderLength, Fixed));
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> #if ENABLE(PROGRESS_TAG)
</span></span></pre>
</div>
</div>

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