Get Scribble sample working.
* cairo/cairo-api.xml: add the Content enum type and fix surface symbol. * gdk/gdk-sharp.dll.config.in: s/3.0/3/ on the so name. * sample/Makefile.am: enable scribble.exe build * sample/Scribble.cs: rewrite for new API, specifically replace pixmap drawing usage with cairo, and use OnDrawn in place of OnExposeEvent. Also Made it a subclass of DrawingArea instead of handling events.
This commit is contained in:
Mike Kestner
parent
d757f1b63a
commit
27b71b1982
4 changed files with 99 additions and 98 deletions
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@ -1,7 +1,10 @@
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<?xml version="1.0"?>
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<api>
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<namespace name="Cairo">
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<enum cname="cairo_content_t" name="Content" type="enum" />
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</namespace>
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<symbol type="manual" cname="cairo_t" name="Cairo.Context"/>
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<symbol type="manual" cname="cairo_font_options_t" name="Cairo.FontOptions"/>
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<symbol type="manual" cname="cairo_region_t" name="Cairo.Region"/>
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<symbol type="marshal" cname="cairo_surface_t" name="Cairo.Surface" native_type="IntPtr" to_fmt="{0}.Handle" from_fmt="Cairo.Surface.LookupSurface ({0})" />
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<symbol type="marshal" cname="cairo_surface_t" name="Cairo.Surface" marshal_type="IntPtr" call_fmt="{0}.Handle" from_fmt="Cairo.Surface.LookupSurface ({0})" />
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</api>
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@ -1,6 +1,6 @@
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<configuration>
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<dllmap dll="libglib-2.0-0.dll" target="libglib-2.0@LIB_PREFIX@.0@LIB_SUFFIX@"/>
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<dllmap dll="libgobject-2.0-0.dll" target="libgobject-2.0@LIB_PREFIX@.0@LIB_SUFFIX@"/>
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<dllmap dll="libgdk-win32-3.0-0.dll" target="libgdk-3.0@LIB_PREFIX@.0@LIB_SUFFIX@"/>
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<dllmap dll="libgdk-win32-3.0-0.dll" target="libgdk-3@LIB_PREFIX@.0@LIB_SUFFIX@"/>
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<dllmap dll="libgdk_pixbuf-2.0-0.dll" target="libgdk_pixbuf-2.0@LIB_PREFIX@.0@LIB_SUFFIX@"/>
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</configuration>
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@ -8,7 +8,7 @@ DOTNET_TARGETS=
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DOTNET_ASSEMBLY=
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endif
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TARGETS = gtk-hello-world.exe button.exe calendar.exe subclass.exe menu.exe treeviewdemo.exe managedtreeviewdemo.exe nodeviewdemo.exe treemodeldemo.exe actions.exe spawn.exe assistant.exe registerprop.exe gexceptiontest.exe native-instantiation.exe polarfixed.exe cairo-sample.exe # custom-widget.exe custom-cellrenderer.exe scribble.exe scribble-xinput.exe testdnd.exe $(DOTNET_TARGETS)
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TARGETS = gtk-hello-world.exe button.exe calendar.exe subclass.exe menu.exe treeviewdemo.exe managedtreeviewdemo.exe nodeviewdemo.exe treemodeldemo.exe actions.exe spawn.exe assistant.exe registerprop.exe gexceptiontest.exe native-instantiation.exe polarfixed.exe cairo-sample.exe scribble.exe # custom-widget.exe custom-cellrenderer.exe scribble-xinput.exe testdnd.exe $(DOTNET_TARGETS)
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DEBUGS = $(addsuffix .mdb, $(TARGETS))
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@ -1,121 +1,119 @@
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// Scribble.cs - port of Gtk+ scribble demo
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// Copyright (c) 2011 Novell, Inc.
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//
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// Author: Rachel Hestilow <hestilow@ximian.com>
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//
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// (c) 2002 Rachel Hestilow
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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using Gtk;
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using Gdk;
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using System;
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namespace GtkSamples {
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using Gtk;
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using Gdk;
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using System;
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public class Scribble {
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private static Gtk.DrawingArea darea;
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private static Gdk.Pixmap pixmap = null;
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public class ScribbleArea : DrawingArea {
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public static int Main (string[] args)
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{
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Application.Init ();
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Gtk.Window win = new Gtk.Window ("Scribble demo");
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win.DeleteEvent += new DeleteEventHandler (Window_Delete);
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darea = new Gtk.DrawingArea ();
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darea.SetSizeRequest (200, 200);
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win.Add (darea);
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darea.ExposeEvent += new ExposeEventHandler (ExposeEvent);
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darea.ConfigureEvent += new ConfigureEventHandler (ConfigureEvent);
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darea.MotionNotifyEvent += new MotionNotifyEventHandler (MotionNotifyEvent);
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darea.ButtonPressEvent += new ButtonPressEventHandler (ButtonPressEvent);
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darea.Events = EventMask.ExposureMask | EventMask.LeaveNotifyMask |
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EventMask.ButtonPressMask | EventMask.PointerMotionMask |
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EventMask.PointerMotionHintMask;
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Gtk.Window win = new Gtk.Window ("Scribble");
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win.DeleteEvent += delegate { Application.Quit (); };
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win.BorderWidth = 8;
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Frame frm = new Frame (null);
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frm.ShadowType = ShadowType.In;
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frm.Add (new ScribbleArea ());
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win.Add (frm);
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win.ShowAll ();
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Application.Run ();
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return 0;
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}
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static void Window_Delete (object obj, DeleteEventArgs args)
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Cairo.Surface surface;
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public ScribbleArea ()
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{
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Application.Quit ();
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args.RetVal = true;
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SetSizeRequest (200, 200);
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Events |= EventMask.ButtonPressMask | EventMask.PointerMotionMask | EventMask.PointerMotionHintMask;
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}
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static void ExposeEvent (object obj, ExposeEventArgs args)
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void ClearSurface ()
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{
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Gdk.Rectangle area = args.Event.Area;
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args.Event.Window.DrawDrawable (darea.Style.BlackGC,
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pixmap,
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area.X, area.Y,
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area.X, area.Y,
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area.Width, area.Height);
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args.RetVal = false;
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}
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static void ConfigureEvent (object obj, ConfigureEventArgs args)
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{
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Gdk.EventConfigure ev = args.Event;
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Gdk.Window window = ev.Window;
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Gdk.Rectangle allocation = darea.Allocation;
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pixmap = new Gdk.Pixmap (window, allocation.Width, allocation.Height, -1);
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pixmap.DrawRectangle (darea.Style.WhiteGC, true, 0, 0,
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allocation.Width, allocation.Height);
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args.RetVal = true;
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using (Cairo.Context ctx = new Cairo.Context (surface)) {
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ctx.SetSourceRGB (1, 1, 1);
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ctx.Paint ();
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}
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}
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static void DrawBrush (double x, double y, bool black)
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void DrawBrush (double x, double y)
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{
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Gdk.Rectangle update_rect = new Gdk.Rectangle ();
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update_rect.X = (int) x - 5;
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update_rect.Y = (int) y - 5;
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update_rect.Width = 10;
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update_rect.Height = 10;
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pixmap.DrawRectangle (black ? darea.Style.BlackGC : darea.Style.WhiteGC, true,
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update_rect.X, update_rect.Y,
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update_rect.Width, update_rect.Height);
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darea.QueueDrawArea (update_rect.X, update_rect.Y,
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update_rect.Width, update_rect.Height);
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}
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static void ButtonPressEvent (object obj, ButtonPressEventArgs args)
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{
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Gdk.EventButton ev = args.Event;
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if (ev.Button == 1 && pixmap != null)
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DrawBrush (ev.X, ev.Y, true);
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else if (ev.Button == 3 && pixmap != null)
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DrawBrush (ev.X, ev.Y, false);
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args.RetVal = true;
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}
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static void MotionNotifyEvent (object obj, MotionNotifyEventArgs args)
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{
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int x, y;
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Gdk.ModifierType state;
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Gdk.EventMotion ev = args.Event;
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Gdk.Window window = ev.Window;
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if (ev.IsHint) {
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Gdk.ModifierType s;
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window.GetPointer (out x, out y, out s);
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state = s;
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} else {
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x = (int) ev.X;
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y = (int) ev.Y;
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state = ev.State;
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using (Cairo.Context ctx = new Cairo.Context (surface)) {
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ctx.Rectangle ((int) x - 3, (int) y - 3, 6, 6);
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ctx.Fill ();
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}
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if ((state & Gdk.ModifierType.Button1Mask) != 0 && pixmap != null)
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DrawBrush (x, y, true);
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else if ((state & Gdk.ModifierType.Button3Mask) != 0 && pixmap != null)
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DrawBrush (x, y, false);
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QueueDrawArea ((int) x - 3, (int) y - 3, 6, 6);
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}
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protected override bool OnButtonPressEvent (EventButton ev)
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{
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if (surface == null)
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return false;
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args.RetVal = true;
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switch (ev.Button) {
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case 1:
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DrawBrush (ev.X, ev.Y);
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break;
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case 3:
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ClearSurface ();
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QueueDraw ();
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break;
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default:
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break;
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}
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return true;
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}
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protected override bool OnConfigureEvent (EventConfigure ev)
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{
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surface = ev.Window.CreateSimilarSurface (Cairo.Content.Color, AllocatedWidth, AllocatedHeight);
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ClearSurface ();
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return true;
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}
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protected override bool OnDrawn (Cairo.Context ctx)
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{
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ctx.SetSourceSurface (surface, 0, 0);
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ctx.Paint ();
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return false;
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}
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protected override bool OnMotionNotifyEvent (EventMotion ev)
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{
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if (surface == null)
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return false;
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int x, y;
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Gdk.ModifierType state;
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ev.Window.GetPointer (out x, out y, out state);
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if ((state & Gdk.ModifierType.Button1Mask) != 0)
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DrawBrush (x, y);
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return true;
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}
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}
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}
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