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New upstream version 3.24.34

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Simon McVittie
2022-06-01 16:13:05 +01:00
parent 7a40770d02 4e3a3f0553
commit e0952cc337
473 changed files with 306973 additions and 738624 deletions
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docs/reference/gdk/html/gdk3-Events.html
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@ -911,33 +911,33 @@ should check the return value of this function, or of
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27</pre></td>
<td class="listing_code"><pre class="programlisting"><span class="n">GdkScrollDirection</span> <span class="n">direction</span><span class="p">;</span>
<span class="kt">double</span> <span class="n">vscroll_factor</span> <span class="o">=</span> <span class="mf">0.0</span><span class="p">;</span>
<span class="kt">double</span> <span class="n">x_scroll</span><span class="p">,</span> <span class="n">y_scroll</span><span class="p">;</span>
<td class="listing_code"><pre class="programlisting"><span class="n">GdkScrollDirection</span><span class="w"> </span><span class="n">direction</span><span class="p">;</span><span class="w"></span>
<span class="kt">double</span><span class="w"> </span><span class="n">vscroll_factor</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mf">0.0</span><span class="p">;</span><span class="w"></span>
<span class="kt">double</span><span class="w"> </span><span class="n">x_scroll</span><span class="p">,</span><span class="w"> </span><span class="n">y_scroll</span><span class="p">;</span><span class="w"></span>
<span class="k">if</span> <span class="p">(</span><span class="n">gdk_event_get_scroll_direction</span> <span class="p">(</span><span class="n">event</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">direction</span><span class="p">))</span>
<span class="p">{</span>
<span class="c1">// Handle discrete scrolling with a known constant delta;</span>
<span class="k">const</span> <span class="kt">double</span> <span class="n">delta</span> <span class="o">=</span> <span class="mf">12.0</span><span class="p">;</span>
<span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">gdk_event_get_scroll_direction</span><span class="w"> </span><span class="p">(</span><span class="n">event</span><span class="p">,</span><span class="w"> </span><span class="o">&amp;</span><span class="n">direction</span><span class="p">))</span><span class="w"></span>
<span class="w"> </span><span class="p">{</span><span class="w"></span>
<span class="w"> </span><span class="c1">// Handle discrete scrolling with a known constant delta;</span>
<span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="kt">double</span><span class="w"> </span><span class="n">delta</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mf">12.0</span><span class="p">;</span><span class="w"></span>
<span class="k">switch</span> <span class="p">(</span><span class="n">direction</span><span class="p">)</span>
<span class="p">{</span>
<span class="k">case</span> <span class="nl">GDK_SCROLL_UP</span><span class="p">:</span>
<span class="n">vscroll_factor</span> <span class="o">=</span> <span class="o">-</span><span class="n">delta</span><span class="p">;</span>
<span class="k">break</span><span class="p">;</span>
<span class="k">case</span> <span class="nl">GDK_SCROLL_DOWN</span><span class="p">:</span>
<span class="n">vscroll_factor</span> <span class="o">=</span> <span class="n">delta</span><span class="p">;</span>
<span class="k">break</span><span class="p">;</span>
<span class="k">default</span><span class="o">:</span>
<span class="c1">// no scrolling</span>
<span class="k">break</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">gdk_event_get_scroll_deltas</span> <span class="p">(</span><span class="n">event</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">x_scroll</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">y_scroll</span><span class="p">))</span>
<span class="p">{</span>
<span class="c1">// Handle smooth scrolling directly</span>
<span class="n">vscroll_factor</span> <span class="o">=</span> <span class="n">y_scroll</span><span class="p">;</span>
<span class="p">}</span></pre></td>
<span class="w"> </span><span class="k">switch</span><span class="w"> </span><span class="p">(</span><span class="n">direction</span><span class="p">)</span><span class="w"></span>
<span class="w"> </span><span class="p">{</span><span class="w"></span>
<span class="w"> </span><span class="k">case</span><span class="w"> </span><span class="nl">GDK_SCROLL_UP</span><span class="p">:</span><span class="w"></span>
<span class="w"> </span><span class="n">vscroll_factor</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="o">-</span><span class="n">delta</span><span class="p">;</span><span class="w"></span>
<span class="w"> </span><span class="k">break</span><span class="p">;</span><span class="w"></span>
<span class="w"> </span><span class="k">case</span><span class="w"> </span><span class="nl">GDK_SCROLL_DOWN</span><span class="p">:</span><span class="w"></span>
<span class="w"> </span><span class="n">vscroll_factor</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">delta</span><span class="p">;</span><span class="w"></span>
<span class="w"> </span><span class="k">break</span><span class="p">;</span><span class="w"></span>
<span class="w"> </span><span class="k">default</span><span class="o">:</span><span class="w"></span>
<span class="w"> </span><span class="c1">// no scrolling</span>
<span class="w"> </span><span class="k">break</span><span class="p">;</span><span class="w"></span>
<span class="w"> </span><span class="p">}</span><span class="w"></span>
<span class="w"> </span><span class="p">}</span><span class="w"></span>
<span class="k">else</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">gdk_event_get_scroll_deltas</span><span class="w"> </span><span class="p">(</span><span class="n">event</span><span class="p">,</span><span class="w"> </span><span class="o">&amp;</span><span class="n">x_scroll</span><span class="p">,</span><span class="w"> </span><span class="o">&amp;</span><span class="n">y_scroll</span><span class="p">))</span><span class="w"></span>
<span class="w"> </span><span class="p">{</span><span class="w"></span>
<span class="w"> </span><span class="c1">// Handle smooth scrolling directly</span>
<span class="w"> </span><span class="n">vscroll_factor</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">y_scroll</span><span class="p">;</span><span class="w"></span>
<span class="w"> </span><span class="p">}</span><span class="w"></span></pre></td>
</tr>
</tbody>
</table>
@ -1226,13 +1226,13 @@ motion events from a <a class="link" href="gdk3-Events.html#GDK-MOTION-NOTIFY:CA
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7</pre></td>
<td class="listing_code"><pre class="programlisting"><span class="p">{</span>
<span class="c1">// motion_event handler</span>
<span class="n">x</span> <span class="o">=</span> <span class="n">motion_event</span><span class="o">-&gt;</span><span class="n">x</span><span class="p">;</span>
<span class="n">y</span> <span class="o">=</span> <span class="n">motion_event</span><span class="o">-&gt;</span><span class="n">y</span><span class="p">;</span>
<span class="c1">// handle (x,y) motion</span>
<span class="n">gdk_event_request_motions</span> <span class="p">(</span><span class="n">motion_event</span><span class="p">);</span> <span class="c1">// handles is_hint events</span>
<span class="p">}</span></pre></td>
<td class="listing_code"><pre class="programlisting"><span class="p">{</span><span class="w"></span>
<span class="w"> </span><span class="c1">// motion_event handler</span>
<span class="w"> </span><span class="n">x</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">motion_event</span><span class="o">-&gt;</span><span class="n">x</span><span class="p">;</span><span class="w"></span>
<span class="w"> </span><span class="n">y</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">motion_event</span><span class="o">-&gt;</span><span class="n">y</span><span class="p">;</span><span class="w"></span>
<span class="w"> </span><span class="c1">// handle (x,y) motion</span>
<span class="w"> </span><span class="n">gdk_event_request_motions</span><span class="w"> </span><span class="p">(</span><span class="n">motion_event</span><span class="p">);</span><span class="w"> </span><span class="c1">// handles is_hint events</span>
<span class="p">}</span><span class="w"></span></pre></td>
</tr>
</tbody>
</table>