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<a name="l00435"></a>00435 XSetWMHints (GDK_WINDOW_XDISPLAY (widget->window),<a name="l00436"></a>00436 GDK_WINDOW_XWINDOW (widget->window), &wm_hints);<a name="l00437"></a>00437 <a name="l00438"></a>00438 XSetWMProtocols (GDK_WINDOW_XDISPLAY (widget->window),<a name="l00439"></a>00439 GDK_WINDOW_XWINDOW (widget->window), wm_window_protocols, 2);<a name="l00440"></a>00440 <a name="l00441"></a>00441 net_wm_window_type = gdk_x11_get_xatom_by_name_for_display <a name="l00442"></a>00442 (target_display, <span class="stringliteral">"_NET_WM_WINDOW_TYPE"</span>);<a name="l00443"></a>00443 <a name="l00444"></a>00444 <span class="keywordflow">if</span> (net_wm_window_type && wm_type_atoms[0])<a name="l00445"></a>00445 XChangeProperty (GDK_WINDOW_XDISPLAY (widget->window),<a name="l00446"></a>00446 GDK_WINDOW_XWINDOW (widget->window),<a name="l00447"></a>00447 net_wm_window_type,<a name="l00448"></a>00448 XA_ATOM, 32, PropModeReplace,<a name="l00449"></a>00449 (guchar *)wm_type_atoms,<a name="l00450"></a>00450 1);<a name="l00451"></a>00451 <span class="preprocessor">#else</span><a name="l00452"></a>00452 <span class="preprocessor"></span><span class="preprocessor">#endif</span><a name="l00453"></a>00453 <span class="preprocessor"></span> <span class="comment">/* TODO: make sure this works/is reset if the DISPLAY </span><a name="l00454"></a>00454 <span class="comment"> * (as well as the SCREEN) changes.</span><a name="l00455"></a>00455 <span class="comment"> */</span><a name="l00456"></a>00456 <a name="l00457"></a>00457 XSetErrorHandler (<a class="code" href="magnifier_8c.html#982b55bded4a2601c71a180a2450e751">magnifier_x_error_handler</a>);<a name="l00458"></a>00458 }<a name="l00459"></a>00459 <a name="l00460"></a>00460 GdkWindow*<a name="l00461"></a><a class="code" href="magnifier_8h.html#ca7d287432d79d9d72aef38adb4fa3eb">00461</a> <a class="code" href="magnifier_8c.html#ca7d287432d79d9d72aef38adb4fa3eb">magnifier_get_root</a> (<a class="code" href="structMagnifier.html">Magnifier</a> *magnifier)<a name="l00462"></a>00462 {<a name="l00463"></a>00463 <span class="keywordflow">if</span> (!magnifier-><a class="code" href="structMagnifier.html#92b3f715e639bde2e224d91c6801997b">priv</a>-><a class="code" href="struct__MagnifierPrivate.html#5ab4d39e5bb2aa9bd1fd989de9c50c9e">root</a> && magnifier-><a class="code" href="structMagnifier.html#2e085c3a4d47b26635ed0438680f5632">source_display</a>) {<a name="l00464"></a>00464 magnifier-><a class="code" href="structMagnifier.html#92b3f715e639bde2e224d91c6801997b">priv</a>-><a class="code" href="struct__MagnifierPrivate.html#5ab4d39e5bb2aa9bd1fd989de9c50c9e">root</a> = gdk_screen_get_root_window (<a name="l00465"></a>00465 gdk_display_get_screen (magnifier-><a class="code" href="structMagnifier.html#2e085c3a4d47b26635ed0438680f5632">source_display</a>,<a name="l00466"></a>00466 magnifier-><a class="code" href="structMagnifier.html#6ded5f49dfbcb6122347c3f047217d3b">source_screen_num</a>));<a name="l00467"></a>00467 }<a name="l00468"></a>00468 <span class="keywordflow">return</span> magnifier-><a class="code" href="structMagnifier.html#92b3f715e639bde2e224d91c6801997b">priv</a>-><a class="code" href="struct__MagnifierPrivate.html#5ab4d39e5bb2aa9bd1fd989de9c50c9e">root</a>;<a name="l00469"></a>00469 }<a name="l00470"></a>00470 <a name="l00471"></a>00471 <span class="keyword">static</span> gint<a name="l00472"></a><a class="code" href="magnifier_8c.html#d758108ab419c5fefa34b4edc2954100">00472</a> <a class="code" href="magnifier_8c.html#d758108ab419c5fefa34b4edc2954100">magnifier_parse_display_name</a> (<a class="code" href="structMagnifier.html">Magnifier</a> *magnifier, gchar *full_display_string,<a name="l00473"></a>00473 gchar **display_name)<a name="l00474"></a>00474 {<a name="l00475"></a>00475 gchar *screen_ptr;<a name="l00476"></a>00476 gchar **strings;<a name="l00477"></a>00477 <a name="l00478"></a>00478 <span class="keywordflow">if</span> (display_name != NULL) {<a name="l00479"></a>00479 strings = g_strsplit (full_display_string, <span class="stringliteral">":"</span>, 2);<a name="l00480"></a>00480 *display_name = strings [0];<a name="l00481"></a>00481 <span class="keywordflow">if</span> (strings [1] != NULL)<a name="l00482"></a>00482 g_free (strings [1]);<a name="l00483"></a>00483 }<a name="l00484"></a>00484 <a name="l00485"></a>00485 screen_ptr = rindex (full_display_string, <span class="charliteral">'.'</span>);<a name="l00486"></a>00486 <span class="keywordflow">if</span> (screen_ptr != NULL) {<a name="l00487"></a>00487 <span class="keywordflow">return</span> (gint) strtol (++screen_ptr, NULL, 10);<a name="l00488"></a>00488 }<a name="l00489"></a>00489 <span class="keywordflow">return</span> 0;<a name="l00490"></a>00490 }<a name="l00491"></a>00491 <a name="l00492"></a>00492 <span class="keyword">static</span> <span class="keywordtype">void</span><a name="l00493"></a><a class="code" href="magnifier_8c.html#5d8b1dcf3e0cf7b420c2fe60e879a411">00493</a> <a class="code" href="magnifier_8c.html#5d8b1dcf3e0cf7b420c2fe60e879a411">magnifier_get_display_rect_bounds</a> (<a class="code" href="structMagnifier.html">Magnifier</a> *magnifier, <a class="code" href="structGNOME__Magnifier__RectBounds__type.html">GNOME_Magnifier_RectBounds</a> *rect_bounds, gboolean is_target)<a name="l00494"></a>00494 {<a name="l00495"></a>00495 <span class="keywordflow">if</span> (is_target)<a name="l00496"></a>00496 {<a name="l00497"></a>00497 rect_bounds-><a class="code" href="structGNOME__Magnifier__RectBounds__type.html#da72b580c4e14d8f1dcd85b2da3a8759">x1</a> = 0;<a name="l00498"></a>00498 rect_bounds-><a class="code" href="structGNOME__Magnifier__RectBounds__type.html#721fd6fb9a4c3c6c3813402b31de633a">x2</a> = gdk_screen_get_width (<a name="l00499"></a>00499 gdk_display_get_screen (magnifier-><a class="code" href="structMagnifier.html#23d4c44ae2496cc1494d7691b81e47bc">target_display</a>,<a name="l00500"></a>00500 magnifier-><a class="code" href="structMagnifier.html#bd18b53abfb094b1f878b8a9d238060e">target_screen_num</a>));<a name="l00501"></a>00501 rect_bounds-><a class="code" href="structGNOME__Magnifier__RectBounds__type.html#24de0d98768b0b42dc53ab51950760c0">y1</a> = 0;<a name="l00502"></a>00502 rect_bounds-><a class="code" href="structGNOME__Magnifier__RectBounds__type.html#3ba20b4c1f0db87a1b9f21169e20b5f3">y2</a> = gdk_screen_get_height (<a name="l00503"></a>00503 gdk_display_get_screen (magnifier-><a class="code" href="structMagnifier.html#23d4c44ae2496cc1494d7691b81e47bc">target_display</a>,<a name="l00504"></a>00504 magnifier-><a class="code" href="structMagnifier.html#bd18b53abfb094b1f878b8a9d238060e">target_screen_num</a>));<a name="l00505"></a>00505 <a name="l00506"></a>00506 }<a name="l00507"></a>00507 <span class="keywordflow">else</span> <a name="l00508"></a>00508 {<a name="l00509"></a>00509 rect_bounds-><a class="code" href="structGNOME__Magnifier__RectBounds__type.html#da72b580c4e14d8f1dcd85b2da3a8759">x1</a> = 0;<a name="l00510"></a>00510 rect_bounds-><a class="code" href="structGNOME__Magnifier__RectBounds__type.html#721fd6fb9a4c3c6c3813402b31de633a">x2</a> = gdk_screen_get_width (<a name="l00511"></a>00511 gdk_display_get_screen (magnifier-><a class="code" href="structMagnifier.html#2e085c3a4d47b26635ed0438680f5632">source_display</a>,<a name="l00512"></a>00512 magnifier-><a class="code" href="structMagnifier.html#6ded5f49dfbcb6122347c3f047217d3b">source_screen_num</a>));<a name="l00513"></a>00513 rect_bounds-><a class="code" href="structGNOME__Magnifier__RectBounds__type.html#24de0d98768b0b42dc53ab51950760c0">y1</a> = 0;<a name="l00514"></a>00514 rect_bounds-><a class="code" href="structGNOME__Magnifier__RectBounds__type.html#3ba20b4c1f0db87a1b9f21169e20b5f3">y2</a> = gdk_screen_get_height (<a name="l00515"></a>00515 gdk_display_get_screen (magnifier-><a class="code" href="structMagnifier.html#2e085c3a4d47b26635ed0438680f5632">source_display</a>,<a name="l00516"></a>00516 magnifier-><a class="code" href="structMagnifier.html#6ded5f49dfbcb6122347c3f047217d3b">source_screen_num</a>));<a name="l00517"></a>00517 <a name="l00518"></a>00518 }<a name="l00519"></a>00519 }<a name="l00520"></a>00520 <a name="l00521"></a>00521 <span class="keyword">static</span> <span class="keywordtype">void</span><a name="l00522"></a><a class="code" href="magnifier_8c.html#5d03b9ff4244a9c29761615eeae742fb">00522</a> <a class="code" href="magnifier_8c.html#5d03b9ff4244a9c29761615eeae742fb">magnifier_adjust_source_size</a> (<a class="code" href="structMagnifier.html">Magnifier</a> *magnifier)<a name="l00523"></a>00523 {<a name="l00524"></a>00524 <a class="code" href="structGNOME__Magnifier__RectBounds__type.html">GNOME_Magnifier_RectBounds</a> rect_bounds; <a name="l00525"></a>00525 gdouble vfract_top, vfract_bottom, hfract_left, hfract_right;<a name="l00526"></a>00526 <a class="code" href="magnifier_8c.html#5d8b1dcf3e0cf7b420c2fe60e879a411">magnifier_get_display_rect_bounds</a> (magnifier, &rect_bounds, FALSE);<a name="l00527"></a>00527 hfract_left = (double) (magnifier-><a class="code" href="structMagnifier.html#261dde452415adc226171e6c9e6f21bf">target_bounds</a>.<a class="code" href="structGNOME__Magnifier__RectBounds__type.html#da72b580c4e14d8f1dcd85b2da3a8759">x1</a>) / (double) rect_bounds.<a class="code" href="structGNOME__Magnifier__RectBounds__type.html#721fd6fb9a4c3c6c3813402b31de633a">x2</a>;<a name="l00528"></a>00528 vfract_top = (<span class="keywordtype">double</span>) (magnifier-><a class="code" href="structMagnifier.html#261dde452415adc226171e6c9e6f21bf">target_bounds</a>.<a class="code" href="structGNOME__Magnifier__RectBounds__type.html#24de0d98768b0b42dc53ab51950760c0">y1</a>) / (<span class="keywordtype">double</span>) rect_bounds.<a class="code" href="structGNOME__Magnifier__RectBounds__type.html#3ba20b4c1f0db87a1b9f21169e20b5f3">y2</a>;<a name="l00529"></a>00529 hfract_right = (double) (rect_bounds.<a class="code" href="structGNOME__Magnifier__RectBounds__type.html#721fd6fb9a4c3c6c3813402b31de633a">x2</a> - magnifier-><a class="code" href="structMagnifier.html#261dde452415adc226171e6c9e6f21bf">target_bounds</a>.<a class="code" href="structGNOME__Magnifier__RectBounds__type.html#721fd6fb9a4c3c6c3813402b31de633a">x2</a>) / (double) rect_bounds.<a class="code" href="structGNOME__Magnifier__RectBounds__type.html#721fd6fb9a4c3c6c3813402b31de633a">x2</a>;<a name="l00530"></a>00530 vfract_bottom = (<span class="keywordtype">double</span>) (rect_bounds.<a class="code" href="structGNOME__Magnifier__RectBounds__type.html#3ba20b4c1f0db87a1b9f21169e20b5f3">y2</a> - magnifier-><a class="code" href="structMagnifier.html#261dde452415adc226171e6c9e6f21bf">target_bounds</a>.<a class="code" href="structGNOME__Magnifier__RectBounds__type.html#3ba20b4c1f0db87a1b9f21169e20b5f3">y2</a>) / (<span class="keywordtype">double</span>) rect_bounds.<a class="code" href="structGNOME__Magnifier__RectBounds__type.html#3ba20b4c1f0db87a1b9f21169e20b5f3">y2</a>;<a name="l00531"></a>00531 <span class="comment">/* we make our 'source' rectangle the largest available subsection which we aren't occupying */</span><a name="l00532"></a>00532 <span class="preprocessor">#ifdef HAVE_COMPOSITE</span><a name="l00533"></a>00533 <span class="preprocessor"></span> <span class="keywordflow">if</span> (!g_getenv (<span class="stringliteral">"MAGNIFIER_IGNORE_COMPOSITE"</span>)) {<a name="l00534"></a>00534 magnifier-><a class="code" href="structMagnifier.html#ae209aab6157f0a0946e2b1a78cb00e8">source_bounds</a> = rect_bounds;<a name="l00535"></a>00535 } <span class="keywordflow">else</span><a name="l00536"></a>00536 <span class="preprocessor">#endif</span><a name="l00537"></a>00537 <span class="preprocessor"></span> <span class="keywordflow">if</span> (MAX (hfract_left, hfract_right) > MAX (vfract_top, vfract_bottom)) <span class="comment">/* vertical split, approximately */</span><a name="l00538"></a>00538 {<a name="l00539"></a>00539 <span class="keywordflow">if</span> (hfract_right > hfract_left) {<a name="l00540"></a>00540 magnifier-><a class="code" href="structMagnifier.html#ae209aab6157f0a0946e2b1a78cb00e8">source_bounds</a>.<a class="code" href="structGNOME__Magnifier__RectBounds__type.html#da72b580c4e14d8f1dcd85b2da3a8759">x1</a> = magnifier-><a class="code" href="structMagnifier.html#261dde452415adc226171e6c9e6f21bf">target_bounds</a>.<a class="code" href="structGNOME__Magnifier__RectBounds__type.html#721fd6fb9a4c3c6c3813402b31de633a">x2</a>;<a name="l00541"></a>00541 magnifier-><a class="code" href="structMagnifier.html#ae209aab6157f0a0946e2b1a78cb00e8">source_bounds</a>.<a class="code" href="structGNOME__Magnifier__RectBounds__type.html#721fd6fb9a4c3c6c3813402b31de633a">x2</a> = rect_bounds.<a class="code" href="structGNOME__Magnifier__RectBounds__type.html#721fd6fb9a4c3c6c3813402b31de633a">x2</a>;<a name="l00542"></a>00542 }<a name="l00543"></a>00543 <span class="keywordflow">else</span> <a name="l00544"></a>00544 {<a n⌨️ 快捷键说明
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