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- Fix drawing of widget background. Now I'll move the code to 

an abstract base class, and I'll start working out the 
adjustement / resizing problems (they're not easy to work out 
correctly).


git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@822 3ecf2c5c-341e-0410-92b4-d18e462d057c
This commit is contained in:
tchernobog 2006-08-04 19:12:17 +00:00
parent 974702af3e
commit 2174c25f74
3 changed files with 315 additions and 529 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

795
glade/main-window.glade
View File

@ -1,520 +1,297 @@
<?xml version="1.0" standalone="no"?> <!--*- mode: xml -*-->
<!DOCTYPE glade-interface SYSTEM "http://glade.gnome.org/glade-2.0.dtd">
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE glade-interface SYSTEM "glade-2.0.dtd">
<!-- Generated with glade3
Version: 2.91.3
Date: Fri Aug 4 21:13:04 2006
User: matteo
Host: tulip
-->
<glade-interface>
<widget class="GtkWindow" id="MainWindow">
<property name="title" translatable="yes"></property>
<property name="type">GTK_WINDOW_TOPLEVEL</property>
<property name="window_position">GTK_WIN_POS_NONE</property>
<property name="modal">False</property>
<property name="default_width">800</property>
<property name="default_height">600</property>
<property name="resizable">True</property>
<property name="destroy_with_parent">False</property>
<property name="decorated">True</property>
<property name="skip_taskbar_hint">False</property>
<property name="skip_pager_hint">False</property>
<property name="type_hint">GDK_WINDOW_TYPE_HINT_NORMAL</property>
<property name="gravity">GDK_GRAVITY_NORTH_WEST</property>
<property name="focus_on_map">True</property>
<property name="urgency_hint">False</property>
<child>
<widget class="GtkVBox" id="MainBox">
<property name="visible">True</property>
<property name="homogeneous">False</property>
<property name="spacing">0</property>
<child>
<widget class="GtkMenuBar" id="MenuBar">
<property name="visible">True</property>
<property name="pack_direction">GTK_PACK_DIRECTION_LTR</property>
<property name="child_pack_direction">GTK_PACK_DIRECTION_LTR</property>
<child>
<widget class="GtkMenuItem" id="MenuItem.File">
<property name="visible">True</property>
<property name="label">_File</property>
<property name="use_underline">True</property>
<child>
<widget class="GtkMenu" id="Menu.File">
<property name="visible">True</property>
<child>
<widget class="GtkImageMenuItem" id="MenuItem.File.Quit">
<property name="visible">True</property>
<property name="label">gtk-quit</property>
<property name="use_stock">True</property>
</widget>
</child>
</widget>
</child>
</widget>
</child>
<child>
<widget class="GtkMenuItem" id="MenuItem.Help">
<property name="visible">True</property>
<property name="label">_Help</property>
<property name="use_underline">True</property>
<child>
<widget class="GtkMenu" id="Menu.Help">
<property name="visible">True</property>
<child>
<widget class="GtkImageMenuItem" id="MenuItem.Help.About">
<property name="visible">True</property>
<property name="label">gtk-about</property>
<property name="use_stock">True</property>
</widget>
</child>
</widget>
</child>
</widget>
</child>
</widget>
<packing>
<property name="padding">0</property>
<property name="expand">False</property>
<property name="fill">True</property>
</packing>
</child>
<child>
<widget class="GtkToolbar" id="ToolBar">
<property name="visible">True</property>
<property name="orientation">GTK_ORIENTATION_HORIZONTAL</property>
<property name="toolbar_style">GTK_TOOLBAR_BOTH</property>
<property name="tooltips">True</property>
<property name="show_arrow">True</property>
<child>
<widget class="GtkToolButton" id="ToolBar.Open">
<property name="visible">True</property>
<property name="stock_id">gtk-open</property>
<property name="visible_horizontal">True</property>
<property name="visible_vertical">True</property>
<property name="is_important">False</property>
</widget>
<packing>
<property name="expand">False</property>
<property name="homogeneous">True</property>
</packing>
</child>
<child>
<widget class="GtkToolButton" id="ToolBar.Save">
<property name="visible">True</property>
<property name="stock_id">gtk-save</property>
<property name="visible_horizontal">True</property>
<property name="visible_vertical">True</property>
<property name="is_important">False</property>
</widget>
<packing>
<property name="expand">False</property>
<property name="homogeneous">True</property>
</packing>
</child>
<child>
<widget class="GtkSeparatorToolItem" id="ToolBar.Separator0">
<property name="visible">True</property>
<property name="draw">True</property>
<property name="visible_horizontal">True</property>
<property name="visible_vertical">True</property>
</widget>
<packing>
<property name="expand">False</property>
<property name="homogeneous">False</property>
</packing>
</child>
<child>
<widget class="GtkToolButton" id="ToolBar.Play">
<property name="visible">True</property>
<property name="sensitive">False</property>
<property name="stock_id">gtk-media-play</property>
<property name="visible_horizontal">True</property>
<property name="visible_vertical">True</property>
<property name="is_important">False</property>
</widget>
<packing>
<property name="expand">False</property>
<property name="homogeneous">True</property>
</packing>
</child>
<child>
<widget class="GtkToolButton" id="ToolBar.Pause">
<property name="visible">True</property>
<property name="sensitive">False</property>
<property name="stock_id">gtk-media-pause</property>
<property name="visible_horizontal">True</property>
<property name="visible_vertical">True</property>
<property name="is_important">False</property>
</widget>
<packing>
<property name="expand">False</property>
<property name="homogeneous">True</property>
</packing>
</child>
<child>
<widget class="GtkToolButton" id="ToolBar.Stop">
<property name="visible">True</property>
<property name="sensitive">False</property>
<property name="stock_id">gtk-media-stop</property>
<property name="visible_horizontal">True</property>
<property name="visible_vertical">True</property>
<property name="is_important">False</property>
</widget>
<packing>
<property name="expand">False</property>
<property name="homogeneous">True</property>
</packing>
</child>
<child>
<widget class="GtkSeparatorToolItem" id="ToolBar.Separator1">
<property name="visible">True</property>
<property name="draw">True</property>
<property name="visible_horizontal">True</property>
<property name="visible_vertical">True</property>
</widget>
<packing>
<property name="expand">False</property>
<property name="homogeneous">False</property>
</packing>
</child>
<child>
<widget class="GtkMenuToolButton" id="ToolBar.PolicySelector">
<property name="visible">True</property>
<property name="label" translatable="yes">Scheduling Policy</property>
<property name="use_underline">True</property>
<property name="stock_id">gtk-convert</property>
<property name="visible_horizontal">True</property>
<property name="visible_vertical">True</property>
<property name="is_important">False</property>
</widget>
<packing>
<property name="expand">False</property>
<property name="homogeneous">False</property>
</packing>
</child>
<child>
<widget class="GtkToolButton" id="ToolBar.PolicySelectorProperties">
<property name="visible">True</property>
<property name="stock_id">gtk-properties</property>
<property name="visible_horizontal">True</property>
<property name="visible_vertical">True</property>
<property name="is_important">False</property>
</widget>
<packing>
<property name="expand">False</property>
<property name="homogeneous">True</property>
</packing>
</child>
<child>
<widget class="GtkSeparatorToolItem" id="ToolBar.Separator2">
<property name="visible">True</property>
<property name="draw">True</property>
<property name="visible_horizontal">True</property>
<property name="visible_vertical">True</property>
</widget>
<packing>
<property name="expand">False</property>
<property name="homogeneous">False</property>
</packing>
</child>
<child>
<widget class="GtkMenuToolButton" id="ToolBar.ResourceScheduling">
<property name="visible">True</property>
<property name="label" translatable="yes">Resource Scheduling</property>
<property name="use_underline">True</property>
<property name="stock_id">gtk-select-color</property>
<property name="visible_horizontal">True</property>
<property name="visible_vertical">True</property>
<property name="is_important">False</property>
</widget>
<packing>
<property name="expand">False</property>
<property name="homogeneous">False</property>
</packing>
</child>
<child>
<widget class="GtkToolButton" id="ToolBar.ResourceSchedulingProperties">
<property name="visible">True</property>
<property name="stock_id">gtk-properties</property>
<property name="visible_horizontal">True</property>
<property name="visible_vertical">True</property>
<property name="is_important">False</property>
</widget>
<packing>
<property name="expand">False</property>
<property name="homogeneous">True</property>
</packing>
</child>
</widget>
<packing>
<property name="padding">0</property>
<property name="expand">False</property>
<property name="fill">True</property>
</packing>
</child>
<child>
<widget class="GtkHPaned" id="MainHPaned">
<property name="visible">True</property>
<property name="can_focus">True</property>
<child>
<widget class="GtkScrolledWindow" id="ExpanderScrolledWindow">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="hscrollbar_policy">GTK_POLICY_NEVER</property>
<property name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
<property name="shadow_type">GTK_SHADOW_NONE</property>
<property name="window_placement">GTK_CORNER_TOP_LEFT</property>
<child>
<widget class="GtkViewport" id="ExpandersViewport">
<property name="visible">True</property>
<property name="shadow_type">GTK_SHADOW_IN</property>
<child>
<widget class="GtkVBox" id="ExpandersBox">
<property name="border_width">3</property>
<property name="visible">True</property>
<property name="homogeneous">False</property>
<property name="spacing">0</property>
<child>
<widget class="GtkExpander" id="SchedulablesExpander">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="expanded">True</property>
<property name="spacing">0</property>
<child>
<placeholder/>
</child>
<child>
<widget class="GtkLabel" id="SchedulablesExpander.Label">
<property name="visible">True</property>
<property name="label" translatable="yes">Schedulables</property>
<property name="use_underline">False</property>
<property name="use_markup">False</property>
<property name="justify">GTK_JUSTIFY_LEFT</property>
<property name="wrap">False</property>
<property name="selectable">False</property>
<property name="xalign">0.5</property>
<property name="yalign">0.5</property>
<property name="xpad">0</property>
<property name="ypad">0</property>
<property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
<property name="width_chars">-1</property>
<property name="single_line_mode">False</property>
<property name="angle">0</property>
</widget>
<packing>
<property name="type">label_item</property>
</packing>
</child>
</widget>
<packing>
<property name="padding">0</property>
<property name="expand">True</property>
<property name="fill">True</property>
</packing>
</child>
<child>
<widget class="GtkExpander" id="ResourcesExpander">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="expanded">True</property>
<property name="spacing">0</property>
<child>
<placeholder/>
</child>
<child>
<widget class="GtkLabel" id="ResourcesExpander.Label">
<property name="visible">True</property>
<property name="label" translatable="yes">Resources</property>
<property name="use_underline">False</property>
<property name="use_markup">False</property>
<property name="justify">GTK_JUSTIFY_LEFT</property>
<property name="wrap">False</property>
<property name="selectable">False</property>
<property name="xalign">0.5</property>
<property name="yalign">0.5</property>
<property name="xpad">0</property>
<property name="ypad">0</property>
<property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
<property name="width_chars">-1</property>
<property name="single_line_mode">False</property>
<property name="angle">0</property>
</widget>
<packing>
<property name="type">label_item</property>
</packing>
</child>
</widget>
<packing>
<property name="padding">0</property>
<property name="expand">True</property>
<property name="fill">True</property>
</packing>
</child>
<child>
<widget class="GtkExpander" id="RequestsExpander">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="expanded">False</property>
<property name="spacing">0</property>
<child>
<placeholder/>
</child>
<child>
<widget class="GtkLabel" id="RequestsExpander.Label">
<property name="visible">True</property>
<property name="label" translatable="yes">Requests</property>
<property name="use_underline">False</property>
<property name="use_markup">False</property>
<property name="justify">GTK_JUSTIFY_LEFT</property>
<property name="wrap">False</property>
<property name="selectable">False</property>
<property name="xalign">0.5</property>
<property name="yalign">0.5</property>
<property name="xpad">0</property>
<property name="ypad">0</property>
<property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
<property name="width_chars">-1</property>
<property name="single_line_mode">False</property>
<property name="angle">0</property>
</widget>
<packing>
<property name="type">label_item</property>
</packing>
</child>
</widget>
<packing>
<property name="padding">0</property>
<property name="expand">False</property>
<property name="fill">True</property>
</packing>
</child>
</widget>
</child>
</widget>
</child>
</widget>
<packing>
<property name="shrink">True</property>
<property name="resize">False</property>
</packing>
</child>
<child>
<widget class="GtkScrolledWindow" id="SimulationScrolledWindow">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="hscrollbar_policy">GTK_POLICY_ALWAYS</property>
<property name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
<property name="shadow_type">GTK_SHADOW_NONE</property>
<property name="window_placement">GTK_CORNER_TOP_LEFT</property>
<child>
<placeholder/>
</child>
</widget>
<packing>
<property name="shrink">True</property>
<property name="resize">True</property>
</packing>
</child>
</widget>
<packing>
<property name="padding">0</property>
<property name="expand">True</property>
<property name="fill">True</property>
</packing>
</child>
<child>
<widget class="GtkStatusbar" id="MainStatusBar">
<property name="visible">True</property>
<property name="has_resize_grip">True</property>
</widget>
<packing>
<property name="padding">0</property>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="pack_type">GTK_PACK_END</property>
</packing>
</child>
</widget>
</child>
</widget>
<widget class="GtkAboutDialog" id="AboutDialog">
<property name="destroy_with_parent">False</property>
<property name="name" translatable="yes">SGPEMv2</property>
<property name="copyright">University of Padova, dept. of Pure and Applied Mathematics</property>
<property name="comments" translatable="yes">An educational simulator for process scheduling policies in a monoprocessor computer.</property>
<property name="license">SGPEMv2 comes with ABSOLUTELY NO WARRANTY. This is free software,
<widget class="GtkWindow" id="MainWindow">
<property name="default_width">800</property>
<property name="default_height">600</property>
<child>
<widget class="GtkVBox" id="MainBox">
<property name="visible">True</property>
<child>
<widget class="GtkMenuBar" id="MenuBar">
<property name="visible">True</property>
<child>
<widget class="GtkMenuItem" id="MenuItem.File">
<property name="visible">True</property>
<property name="label">_File</property>
<property name="use_underline">True</property>
<child>
<widget class="GtkMenu" id="Menu.File">
<property name="visible">True</property>
<child>
<widget class="GtkImageMenuItem" id="MenuItem.File.Quit">
<property name="visible">True</property>
<property name="label">gtk-quit</property>
<property name="use_underline">True</property>
<property name="use_stock">True</property>
</widget>
</child>
</widget>
</child>
</widget>
</child>
<child>
<widget class="GtkMenuItem" id="MenuItem.Help">
<property name="visible">True</property>
<property name="label">_Help</property>
<property name="use_underline">True</property>
<child>
<widget class="GtkMenu" id="Menu.Help">
<property name="visible">True</property>
<child>
<widget class="GtkImageMenuItem" id="MenuItem.Help.About">
<property name="visible">True</property>
<property name="label">gtk-about</property>
<property name="use_underline">True</property>
<property name="use_stock">True</property>
</widget>
</child>
</widget>
</child>
</widget>
</child>
</widget>
<packing>
<property name="expand">False</property>
</packing>
</child>
<child>
<widget class="GtkToolbar" id="ToolBar">
<property name="visible">True</property>
<property name="toolbar_style">GTK_TOOLBAR_BOTH</property>
<child>
<widget class="GtkToolButton" id="ToolBar.Open">
<property name="visible">True</property>
<property name="stock_id">gtk-open</property>
</widget>
</child>
<child>
<widget class="GtkToolButton" id="ToolBar.Save">
<property name="visible">True</property>
<property name="stock_id">gtk-save</property>
</widget>
</child>
<child>
<widget class="GtkSeparatorToolItem" id="ToolBar.Separator0">
<property name="visible">True</property>
</widget>
</child>
<child>
<widget class="GtkToolButton" id="ToolBar.Play">
<property name="visible">True</property>
<property name="sensitive">False</property>
<property name="stock_id">gtk-media-play</property>
</widget>
</child>
<child>
<widget class="GtkToolButton" id="ToolBar.Pause">
<property name="visible">True</property>
<property name="sensitive">False</property>
<property name="stock_id">gtk-media-pause</property>
</widget>
</child>
<child>
<widget class="GtkToolButton" id="ToolBar.Stop">
<property name="visible">True</property>
<property name="sensitive">False</property>
<property name="stock_id">gtk-media-stop</property>
</widget>
</child>
<child>
<widget class="GtkSeparatorToolItem" id="ToolBar.Separator1">
<property name="visible">True</property>
</widget>
</child>
<child>
<widget class="GtkMenuToolButton" id="ToolBar.PolicySelector">
<property name="visible">True</property>
<property name="label">Scheduling Policy</property>
<property name="use_underline">True</property>
<property name="stock_id">gtk-convert</property>
</widget>
</child>
<child>
<widget class="GtkSeparatorToolItem" id="ToolBar.Separator2">
<property name="visible">True</property>
</widget>
</child>
<child>
<widget class="GtkMenuToolButton" id="ToolBar.ResourceScheduling">
<property name="visible">True</property>
<property name="label">Resource Scheduling</property>
<property name="use_underline">True</property>
<property name="stock_id">gtk-select-color</property>
</widget>
</child>
</widget>
<packing>
<property name="expand">False</property>
<property name="position">1</property>
</packing>
</child>
<child>
<widget class="GtkHPaned" id="MainHPaned">
<property name="visible">True</property>
<property name="can_focus">True</property>
<child>
<widget class="GtkScrolledWindow" id="ExpanderScrolledWindow">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="hscrollbar_policy">GTK_POLICY_NEVER</property>
<property name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
<child>
<widget class="GtkViewport" id="ExpandersViewport">
<property name="visible">True</property>
<child>
<widget class="GtkVBox" id="ExpandersBox">
<property name="visible">True</property>
<property name="border_width">3</property>
<child>
<widget class="GtkExpander" id="SchedulablesExpander">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="expanded">True</property>
<child>
<placeholder/>
</child>
<child>
<widget class="GtkLabel" id="SchedulablesExpander.Label">
<property name="visible">True</property>
<property name="xalign">0,000000</property>
<property name="yalign">0,000000</property>
<property name="label" translatable="yes">Schedulables</property>
</widget>
<packing>
<property name="type">label_item</property>
</packing>
</child>
</widget>
</child>
<child>
<widget class="GtkExpander" id="ResourcesExpander">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="expanded">True</property>
<child>
<placeholder/>
</child>
<child>
<widget class="GtkLabel" id="ResourcesExpander.Label">
<property name="visible">True</property>
<property name="xalign">0,000000</property>
<property name="yalign">0,000000</property>
<property name="label" translatable="yes">Resources</property>
</widget>
<packing>
<property name="type">label_item</property>
</packing>
</child>
</widget>
<packing>
<property name="position">1</property>
</packing>
</child>
<child>
<widget class="GtkExpander" id="RequestsExpander">
<property name="visible">True</property>
<property name="can_focus">True</property>
<child>
<placeholder/>
</child>
<child>
<widget class="GtkLabel" id="RequestsExpander.Label">
<property name="visible">True</property>
<property name="xalign">0,000000</property>
<property name="yalign">0,000000</property>
<property name="label" translatable="yes">Requests</property>
</widget>
<packing>
<property name="type">label_item</property>
</packing>
</child>
</widget>
<packing>
<property name="expand">False</property>
<property name="position">2</property>
</packing>
</child>
</widget>
</child>
</widget>
</child>
</widget>
<packing>
<property name="resize">False</property>
</packing>
</child>
<child>
<widget class="GtkScrolledWindow" id="SimulationScrolledWindow">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
<child>
<placeholder/>
</child>
</widget>
</child>
</widget>
<packing>
<property name="position">2</property>
</packing>
</child>
<child>
<widget class="GtkStatusbar" id="MainStatusBar">
<property name="visible">True</property>
</widget>
<packing>
<property name="expand">False</property>
<property name="pack_type">GTK_PACK_END</property>
<property name="position">3</property>
</packing>
</child>
</widget>
</child>
</widget>
<widget class="GtkAboutDialog" id="AboutDialog">
<property name="copyright">University of Padova, dept. of Pure and Applied Mathematics</property>
<property name="comments">An educational simulator for process scheduling policies in a monoprocessor computer.</property>
<property name="license">SGPEMv2 comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to redistribute it under the terms of the GNU General
Public License; for details see file COPYING contained in the source
package.</property>
<property name="wrap_license">False</property>
<property name="authors">Giovanni Giacobbi &lt;ggiacobb@studenti.math.unipd.it&gt;
<property name="authors">Giovanni Giacobbi &lt;ggiacobb@studenti.math.unipd.it&gt;
Filippo Paparella &lt;ironpipp@gmail.com&gt;
Paolo Santi &lt;psanti@studenti.math.unipd.it&gt;
Matteo Settenvini &lt;matteo@member.fsf.org&gt;
Marco Trevisan &lt;mtrevisa@studenti.math.unipd.it&gt;
Djina Verbanac &lt;betalgez@yahoo.com&gt;
Luca Vezzaro &lt;lvezzaro@studenti.math.unipd.it&gt;</property>
<property name="documenters"></property>
<property name="translator_credits" translatable="yes" comments="TRANSLATORS: Replace this string with your names, one name per line.">translator-credits</property>
<child internal-child="vbox">
<widget class="GtkVBox" id="dialog-vbox1">
<property name="visible">True</property>
<property name="homogeneous">False</property>
<property name="spacing">12</property>
<child>
<placeholder/>
</child>
<child internal-child="action_area">
<widget class="GtkHButtonBox" id="dialog-action_area1">
<property name="visible">True</property>
<property name="layout_style">GTK_BUTTONBOX_END</property>
</widget>
<packing>
<property name="padding">0</property>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="pack_type">GTK_PACK_END</property>
</packing>
</child>
</widget>
</child>
</widget>
<property name="documenters"></property>
<property name="translator_credits">translator-credits</property>
<child internal-child="vbox">
<widget class="GtkVBox" id="dialog-vbox1">
<property name="visible">True</property>
<property name="spacing">12</property>
<child>
<placeholder/>
</child>
<child internal-child="action_area">
<widget class="GtkHButtonBox" id="dialog-action_area1">
<property name="visible">True</property>
<property name="layout_style">GTK_BUTTONBOX_END</property>
</widget>
<packing>
<property name="expand">False</property>
<property name="pack_type">GTK_PACK_END</property>
</packing>
</child>
</widget>
</child>
</widget>
</glade-interface>

48
src/schedulables_widget.cc
View File

@ -53,6 +53,8 @@ SchedulablesWidget::~SchedulablesWidget()
void
SchedulablesWidget::update(const History& history)
{
// get_window() returns a null pointer
// if the widget has not been realized
if(!is_realized())
return; // Nowhere to draw to.
@ -60,10 +62,17 @@ SchedulablesWidget::update(const History& history)
unsigned int w = get_allocation().get_width();
_h = calc_height(history);
// get_window() returns a null pointer
// if the widget has not been realized
_buf = Gdk::Pixmap::create(get_window(), w, _h);
// Draw the widget background as the first thing.
// I've seen this is how it's done in the very Gtk+ toolkit
// for the GtkProgressBar widget.
GtkStyle* gStyle = get_style()->gobj();
gtk_paint_box(gStyle, _buf->gobj(),
GTK_STATE_NORMAL, GTK_SHADOW_ETCHED_IN,
NULL, this->gobj(), "through",
0, 0, w, _h);
cairo_t* ctx = gdk_cairo_create(_buf->gobj());
// do the drawing...
@ -118,18 +127,23 @@ SchedulablesWidget::on_realize()
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.event_mask = get_events() | GDK_EXPOSURE_MASK;
attributes.window_type = GDK_WINDOW_CHILD;
attributes.visual = get_visual()->gobj();
attributes.colormap = get_colormap()->gobj();
static const gint attributes_mask = Gdk::WA_X | Gdk::WA_Y | Gdk::WA_WMCLASS
| Gdk::WA_VISUAL | Gdk::WA_COLORMAP;
Glib::RefPtr<Gdk::Window> window = Gdk::Window::create(get_parent_window(),
&attributes,
Gdk::WA_X | Gdk::WA_Y |
Gdk::WA_WMCLASS);
unset_flags(Gtk::NO_WINDOW);
attributes_mask);
unset_flags(Gtk::NO_WINDOW);
set_window(window);
window->set_user_data(gobj());
// Not sure if the following line is needed:
gtk_style_attach(get_style()->gobj(), window->gobj());
get_style()->set_background(window, Gtk::STATE_ACTIVE);
_refGC = Gdk::GC::create(window);
}
void
@ -156,26 +170,22 @@ SchedulablesWidget::on_size_allocate(const Gtk::Allocation& allocation)
bool
SchedulablesWidget::on_expose_event(GdkEventExpose* event)
{
if(event == NULL || event->count > 0)
return false;
// calculated dinamically:
int w = get_allocation().get_width();
set_size_request(w, _h);
// Clip to redraw only the smallest possible area
std::auto_ptr<Gdk::Rectangle> clip_area;
if(event)
clip_area = std::auto_ptr<Gdk::Rectangle>(new Gdk::Rectangle(event->area.x, event->area.y,
event->area.width, event->area.height));
else
clip_area = std::auto_ptr<Gdk::Rectangle>(new Gdk::Rectangle(0, 0, w, _h));
// Use double buffering or we're CPU-dead
// Copy from the buffer to the screen
if(_buf)
get_window()->draw_drawable(_refGC, _buf,
clip_area->get_x(), clip_area->get_y(),
clip_area->get_x(), clip_area->get_y(),
clip_area->get_width(), clip_area->get_height());
get_window()->draw_drawable(get_style()->get_black_gc(), _buf,
event->area.x, event->area.y,
event->area.x, event->area.y,
event->area.width, event->area.height);
return true;
}

1
src/schedulables_widget.hh
View File

@ -59,7 +59,6 @@ namespace sgpem
typedef std::vector<area_callback_t> areas_vect_t;
Glib::RefPtr<Gdk::Pixmap> _buf;
Glib::RefPtr<Gdk::GC> _refGC;
};
} //~ namespace sgpem