1 files changed, 0 insertions, 539 deletions
diff --git a/src/linux/WidgetSurface.m b/src/linux/WidgetSurface.m
deleted file mode 100644
index 3538f72..0000000
--- a/src/linux/WidgetSurface.m
+++ /dev/null
@@ -1,539 +0,0 @@
-/*
- * Copyright 2011  Alex Merry <dev@randomguy3.me.uk>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#import "WidgetSurface.h"
-#import "gtkhelpers.h"
-#import "InputDelegate.h"
-#import "CairoRenderContext.h"
-
-// {{{ Internal interfaces
-// {{{ GTK+ callbacks
-static gboolean configure_event_cb (GtkWidget *widget, GdkEventConfigure *event, WidgetSurface *surface);
-static void realize_cb (GtkWidget *widget, WidgetSurface *surface);
-static gboolean expose_event_cb (GtkWidget *widget, GdkEventExpose *event, WidgetSurface *surface);
-static gboolean button_press_event_cb (GtkWidget *widget, GdkEventButton *event, WidgetSurface *surface);
-static gboolean button_release_event_cb (GtkWidget *widget, GdkEventButton *event, WidgetSurface *surface);
-static gboolean motion_notify_event_cb (GtkWidget *widget, GdkEventMotion *event, WidgetSurface *surface);
-static gboolean key_press_event_cb (GtkWidget *widget, GdkEventKey *event, WidgetSurface *surface);
-static gboolean key_release_event_cb (GtkWidget *widget, GdkEventKey *event, WidgetSurface *surface);
-static gboolean scroll_event_cb (GtkWidget *widget, GdkEventScroll *event, WidgetSurface *surface);
-// }}}
-
-@interface WidgetSurface (Private)
-- (void) updateTransformer;
-- (void) widgetSizeChanged:(NSNotification*)notification;
-- (void) handleExposeEvent:(GdkEventExpose*)event;
-- (void) updateLastKnownSize;
-- (void) zoomTo:(CGFloat)scale aboutPoint:(NSPoint)p;
-- (void) zoomTo:(CGFloat)scale;
-@end
-// }}}
-// {{{ API
-@implementation WidgetSurface
-
-- (id) init {
-    return [self initWithWidget:gtk_drawing_area_new ()];
-}
-
-- (id) initWithWidget:(GtkWidget*)w {
-    self = [super init];
-
-    if (self) {
-        widget = w;
-        g_object_ref_sink (G_OBJECT (widget));
-        renderDelegate = nil;
-        inputDelegate = nil;
-        keepCentered = NO;
-        grabsFocusOnClick = NO;
-        defaultScale = 1.0f;
-        transformer = [[Transformer alloc] init];
-        [transformer setFlippedAboutXAxis:YES];
-        [self updateLastKnownSize];
-        g_object_set (G_OBJECT (widget), "events", GDK_STRUCTURE_MASK, NULL);
-        g_signal_connect (widget, "expose-event", G_CALLBACK (expose_event_cb), self);
-        g_signal_connect (widget, "configure-event", G_CALLBACK (configure_event_cb), self);
-        g_signal_connect (widget, "realize", G_CALLBACK (realize_cb), self);
-        g_signal_connect (widget, "button-press-event", G_CALLBACK (button_press_event_cb), self);
-        g_signal_connect (widget, "button-release-event", G_CALLBACK (button_release_event_cb), self);
-        g_signal_connect (widget, "motion-notify-event", G_CALLBACK (motion_notify_event_cb), self);
-        g_signal_connect (widget, "key-press-event", G_CALLBACK (key_press_event_cb), self);
-        g_signal_connect (widget, "key-release-event", G_CALLBACK (key_release_event_cb), self);
-        g_signal_connect (widget, "scroll-event", G_CALLBACK (scroll_event_cb), self);
-        [[NSNotificationCenter defaultCenter] addObserver:self
-                                                 selector:@selector(widgetSizeChanged:)
-                                                     name:@"SurfaceSizeChanged"
-                                                   object:self];
-    }
-
-    return self;
-}
-
-- (void) invalidateRect:(NSRect)rect {
-    if (!NSIsEmptyRect (rect)) {
-        GdkWindow *window = gtk_widget_get_window (widget);
-        if (window) {
-            GdkRectangle g_rect = gdk_rectangle_from_ns_rect (rect);
-            gdk_window_invalidate_rect (window, &g_rect, TRUE);
-        }
-    }
-}
-
-- (void) invalidate {
-    GdkWindow *window = gtk_widget_get_window (widget);
-    if (window) {
-        GdkRegion *visible = gdk_drawable_get_visible_region (GDK_DRAWABLE (window));
-        gdk_window_invalidate_region (window, visible, TRUE);
-        gdk_region_destroy (visible);
-    }
-}
-
-- (id<RenderContext>) createRenderContext {
-    return [CairoRenderContext contextForWidget:widget];
-}
-
-- (int) width {
-    int width = 0;
-    GdkWindow *window = gtk_widget_get_window (widget);
-    if (window) {
-        gdk_drawable_get_size (window, &width, NULL);
-    }
-    return width;
-}
-
-- (int) height {
-    int height = 0;
-    GdkWindow *window = gtk_widget_get_window (widget);
-    if (window) {
-        gdk_drawable_get_size (window, NULL, &height);
-    }
-    return height;
-}
-
-- (void) setSizeRequestWidth:(double)width height:(double)height {
-    gtk_widget_set_size_request (widget, width, height);
-}
-
-- (Transformer*) transformer {
-    return transformer;
-}
-
-- (GtkWidget*) widget {
-    return widget;
-}
-
-- (void) addToEventMask:(GdkEventMask)value {
-    GdkEventMask mask;
-    g_object_get (G_OBJECT (widget), "events", &mask, NULL);
-    mask |= value;
-    g_object_set (G_OBJECT (widget), "events", mask, NULL);
-}
-
-- (void) removeFromEventMask:(GdkEventMask)value {
-    GdkEventMask mask;
-    g_object_get (G_OBJECT (widget), "events", &mask, NULL);
-    mask ^= value;
-    if (grabsFocusOnClick) {
-        mask |= GDK_BUTTON_PRESS_MASK;
-    }
-    g_object_set (G_OBJECT (widget), "events", mask, NULL);
-}
-
-- (void) setRenderDelegate:(id <RenderDelegate>)delegate {
-    // NB: no retention!
-    renderDelegate = delegate;
-    if (renderDelegate == nil) {
-        [self removeFromEventMask:GDK_EXPOSURE_MASK];
-    } else {
-        [self addToEventMask:GDK_EXPOSURE_MASK];
-    }
-}
-
-- (id) inputDelegate {
-    return inputDelegate;
-}
-
-- (void) setInputDelegate:(id)delegate {
-    if (delegate == inputDelegate) {
-        return;
-    }
-    if (inputDelegate != nil) {
-        [self removeFromEventMask:GDK_POINTER_MOTION_MASK
-                                  | GDK_BUTTON_PRESS_MASK
-                                  | GDK_BUTTON_RELEASE_MASK
-                                  | GDK_KEY_PRESS_MASK
-                                  | GDK_KEY_RELEASE_MASK];
-    }
-    inputDelegate = delegate;
-    if (delegate != nil) {
-        GdkEventMask mask = 0;
-        if ([delegate respondsToSelector:@selector(mousePressAt:withButton:andMask:)]) {
-            mask |= GDK_BUTTON_PRESS_MASK;
-        }
-        if ([delegate respondsToSelector:@selector(mouseReleaseAt:withButton:andMask:)]) {
-            mask |= GDK_BUTTON_RELEASE_MASK;
-        }
-        if ([delegate respondsToSelector:@selector(mouseDoubleClickAt:withButton:andMask:)]) {
-            mask |= GDK_BUTTON_PRESS_MASK;
-        }
-        if ([delegate respondsToSelector:@selector(mouseMoveTo:withButtons:andMask:)]) {
-            mask |= GDK_POINTER_MOTION_MASK;
-        }
-        if ([delegate respondsToSelector:@selector(keyPressed:withMask:)]) {
-            mask |= GDK_KEY_PRESS_MASK;
-        }
-        if ([delegate respondsToSelector:@selector(keyReleased:withMask:)]) {
-            mask |= GDK_KEY_RELEASE_MASK;
-        }
-        [self addToEventMask:mask];
-    }
-}
-
-- (id <RenderDelegate>) renderDelegate {
-    return renderDelegate;
-}
-
-- (void) setKeepCentered:(BOOL)centered {
-    keepCentered = centered;
-    [self updateTransformer];
-}
-
-- (BOOL) keepCentered {
-    return keepCentered;
-}
-
-- (BOOL) grabsFocusOnClick {
-    return grabsFocusOnClick;
-}
-
-- (void) setGrabsFocusOnClick:(BOOL)focus {
-    if (grabsFocusOnClick != focus) {
-        grabsFocusOnClick = focus;
-        if (grabsFocusOnClick) {
-            [self addToEventMask:GDK_BUTTON_PRESS_MASK];
-        } else {
-            [self removeFromEventMask:GDK_BUTTON_PRESS_MASK];
-        }
-    }
-}
-
-- (CGFloat) defaultScale {
-    return defaultScale;
-}
-
-- (void) setDefaultScale:(CGFloat)newDefault {
-    if (defaultScale != newDefault) {
-        CGFloat oldDefault = defaultScale;
-        defaultScale = newDefault;
-
-        CGFloat scale = [transformer scale];
-        scale *= (newDefault / oldDefault);
-        [transformer setScale:scale];
-        [self invalidate];
-    }
-}
-
-- (void) zoomIn {
-    CGFloat scale = [transformer scale];
-    scale *= 1.2f;
-    [self zoomTo:scale];
-}
-
-- (void) zoomOut {
-    CGFloat scale = [transformer scale];
-    scale /= 1.2f;
-    [self zoomTo:scale];
-}
-
-- (void) zoomReset {
-    [self zoomTo:defaultScale];
-}
-
-- (void) zoomInAboutPoint:(NSPoint)p {
-    CGFloat scale = [transformer scale];
-    scale *= 1.2f;
-    [self zoomTo:scale aboutPoint:p];
-}
-
-- (void) zoomOutAboutPoint:(NSPoint)p {
-    CGFloat scale = [transformer scale];
-    scale /= 1.2f;
-    [self zoomTo:scale aboutPoint:p];
-}
-
-- (void) zoomResetAboutPoint:(NSPoint)p {
-    [self zoomTo:defaultScale aboutPoint:p];
-}
-
-- (void) dealloc {
-    [[NSNotificationCenter defaultCenter] removeObserver:self];
-    [transformer release];
-    g_object_unref (G_OBJECT (widget));
-
-    [super dealloc];
-}
-
-@end
-// }}}
-// {{{ Private
-@implementation WidgetSurface (Private)
-- (void) widgetSizeChanged:(NSNotification*)notification {
-    [self updateTransformer];
-    [self updateLastKnownSize];
-}
-
-- (void) updateTransformer {
-    if (keepCentered) {
-        GdkWindow *window = gtk_widget_get_window (widget);
-        if (window) {
-            int width = 0;
-            int height = 0;
-            gdk_drawable_get_size (window, &width, &height);
-            NSPoint origin;
-            if (lastKnownSize.width < 1 || lastKnownSize.height < 1) {
-                origin.x = (float)width / 2.0f;
-                origin.y = (float)height / 2.0f;
-            } else {
-                origin = [transformer origin];
-                origin.x += ((float)width - lastKnownSize.width) / 2.0f;
-                origin.y += ((float)height - lastKnownSize.height) / 2.0f;
-            }
-            [transformer setOrigin:origin];
-        }
-    }
-}
-
-- (void) handleExposeEvent:(GdkEventExpose*)event {
-    if (renderDelegate != nil) {
-        NSRect area = gdk_rectangle_to_ns_rect (event->area);
-
-        id<RenderContext> context = [CairoRenderContext contextForWidget:widget];
-        [context rect:area];
-        [context clipToPath];
-        [renderDelegate renderWithContext:context onSurface:self];
-    }
-}
-
-- (void) updateLastKnownSize {
-    GdkWindow *window = gtk_widget_get_window (widget);
-    if (window) {
-        int width = 0;
-        int height = 0;
-        gdk_drawable_get_size (window, &width, &height);
-        lastKnownSize.width = (float)width;
-        lastKnownSize.height = (float)height;
-    } else {
-        lastKnownSize = NSZeroSize;
-    }
-}
-
-- (void) zoomTo:(CGFloat)scale aboutPoint:(NSPoint)p {
-    NSPoint graphP = [transformer fromScreen:p];
-
-    [transformer setScale:scale];
-
-    NSPoint newP = [transformer toScreen:graphP];
-    NSPoint origin = [transformer origin];
-    origin.x += p.x - newP.x;
-    origin.y += p.y - newP.y;
-    [transformer setOrigin:origin];
-
-    [self invalidate];
-}
-
-- (void) zoomTo:(CGFloat)scale {
-    NSPoint centre = NSMakePoint (lastKnownSize.width/2.0f, lastKnownSize.height/2.0f);
-    [self zoomTo:scale aboutPoint:centre];
-}
-
-@end
-// }}}
-// {{{ GTK+ callbacks
-static gboolean configure_event_cb(GtkWidget *widget, GdkEventConfigure *event, WidgetSurface *surface) {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-    [[NSNotificationCenter defaultCenter] postNotificationName:@"SurfaceSizeChanged" object:surface];
-    [pool drain];
-    return FALSE;
-}
-
-static void realize_cb (GtkWidget *widget, WidgetSurface *surface) {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-    [surface updateTransformer];
-    [pool drain];
-}
-
-static gboolean expose_event_cb(GtkWidget *widget, GdkEventExpose *event, WidgetSurface *surface) {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-    [surface handleExposeEvent:event];
-    [pool drain];
-    return FALSE;
-}
-
-InputMask mask_from_gdk_modifier_state (GdkModifierType state) {
-    InputMask mask = 0;
-    if (state & GDK_SHIFT_MASK) {
-        mask |= ShiftMask;
-    }
-    if (state & GDK_CONTROL_MASK) {
-        mask |= ControlMask;
-    }
-    if (state & GDK_META_MASK) {
-        mask |= MetaMask;
-    }
-    return mask;
-}
-
-ScrollDirection scroll_dir_from_gdk_scroll_dir (GdkScrollDirection dir) {
-    switch (dir) {
-        case GDK_SCROLL_UP: return ScrollUp;
-        case GDK_SCROLL_DOWN: return ScrollDown;
-        case GDK_SCROLL_LEFT: return ScrollLeft;
-        case GDK_SCROLL_RIGHT: return ScrollRight;
-        default: NSLog(@"Invalid scroll direction %i", (int)dir); return ScrollDown;
-    }
-}
-
-MouseButton buttons_from_gdk_modifier_state (GdkModifierType state) {
-    MouseButton buttons = 0;
-    if (state & GDK_BUTTON1_MASK) {
-        buttons |= LeftButton;
-    }
-    if (state & GDK_BUTTON2_MASK) {
-        buttons |= MiddleButton;
-    }
-    if (state & GDK_BUTTON3_MASK) {
-        buttons |= RightButton;
-    }
-    if (state & GDK_BUTTON4_MASK) {
-        buttons |= Button4;
-    }
-    if (state & GDK_BUTTON5_MASK) {
-        buttons |= Button5;
-    }
-    return buttons;
-}
-
-static gboolean button_press_event_cb(GtkWidget *widget, GdkEventButton *event, WidgetSurface *surface) {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
-    if ([surface grabsFocusOnClick]) {
-        if (!GTK_WIDGET_HAS_FOCUS (widget)) {
-             gtk_widget_grab_focus (widget);
-        }
-    }
-
-    id delegate = [surface inputDelegate];
-    if (delegate != nil) {
-        NSPoint pos = NSMakePoint (event->x, event->y);
-        MouseButton button = (MouseButton)event->button;
-        InputMask mask = mask_from_gdk_modifier_state (event->state);
-        if (event->type == GDK_BUTTON_PRESS && [delegate respondsToSelector:@selector(mousePressAt:withButton:andMask:)]) {
-            [delegate mousePressAt:pos withButton:button andMask:mask];
-        }
-        if (event->type == GDK_2BUTTON_PRESS && [delegate respondsToSelector:@selector(mouseDoubleClickAt:withButton:andMask:)]) {
-            [delegate mouseDoubleClickAt:pos withButton:button andMask:mask];
-        }
-    }
-
-    [pool drain];
-    return FALSE;
-}
-
-static gboolean button_release_event_cb(GtkWidget *widget, GdkEventButton *event, WidgetSurface *surface) {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
-    id delegate = [surface inputDelegate];
-    if (delegate != nil) {
-        if ([delegate respondsToSelector:@selector(mouseReleaseAt:withButton:andMask:)]) {
-            NSPoint pos = NSMakePoint (event->x, event->y);
-            MouseButton button = (MouseButton)event->button;
-            InputMask mask = mask_from_gdk_modifier_state (event->state);
-            [delegate mouseReleaseAt:pos withButton:button andMask:mask];
-        }
-    }
-
-    [pool drain];
-    return FALSE;
-}
-
-static gboolean motion_notify_event_cb(GtkWidget *widget, GdkEventMotion *event, WidgetSurface *surface) {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
-    id delegate = [surface inputDelegate];
-    if (delegate != nil) {
-        if ([delegate respondsToSelector:@selector(mouseMoveTo:withButtons:andMask:)]) {
-            NSPoint pos = NSMakePoint (event->x, event->y);
-            MouseButton buttons = buttons_from_gdk_modifier_state (event->state);
-            InputMask mask = mask_from_gdk_modifier_state (event->state);
-            [delegate mouseMoveTo:pos withButtons:buttons andMask:mask];
-        }
-    }
-
-    [pool drain];
-    return FALSE;
-}
-
-static gboolean key_press_event_cb(GtkWidget *widget, GdkEventKey *event, WidgetSurface *surface) {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
-    id delegate = [surface inputDelegate];
-    if (delegate != nil) {
-        if ([delegate respondsToSelector:@selector(keyPressed:withMask:)]) {
-            InputMask mask = mask_from_gdk_modifier_state (event->state);
-            [delegate keyPressed:event->keyval withMask:mask];
-        }
-    }
-
-    [pool drain];
-    return FALSE;
-}
-
-static gboolean key_release_event_cb(GtkWidget *widget, GdkEventKey *event, WidgetSurface *surface) {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
-    id delegate = [surface inputDelegate];
-    if (delegate != nil) {
-        if ([delegate respondsToSelector:@selector(keyReleased:withMask:)]) {
-            InputMask mask = mask_from_gdk_modifier_state (event->state);
-            [delegate keyReleased:event->keyval withMask:mask];
-        }
-    }
-
-    [pool drain];
-    return FALSE;
-}
-
-static gboolean scroll_event_cb (GtkWidget *widget, GdkEventScroll *event, WidgetSurface *surface) {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
-    id delegate = [surface inputDelegate];
-    if (delegate != nil) {
-        if ([delegate respondsToSelector:@selector(mouseScrolledAt:inDirection:withMask:)]) {
-            NSPoint pos = NSMakePoint (event->x, event->y);
-            InputMask mask = mask_from_gdk_modifier_state (event->state);
-            ScrollDirection dir = scroll_dir_from_gdk_scroll_dir (event->direction);
-            [delegate mouseScrolledAt:pos
-                          inDirection:dir
-                             withMask:mask];
-        }
-    }
-
-    [pool drain];
-    return FALSE;
-}
-// }}}
-
-// vim:ft=objc:ts=8:et:sts=4:sw=4:foldmethod=marker