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Learning_GTK4_tree/gdk/macos/GdkMacosBaseView.c

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/* GdkMacosBaseView.c
*
* Copyright 2005-2007 Imendio AB
* Copyright 2011 Hiroyuki Yamamoto
* Copyright 2020 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "config.h"
#import "GdkMacosBaseView.h"
#import "GdkMacosWindow.h"
#include "gdkmacosdisplay-private.h"
#include "gdkmacossurface-private.h"
#include "gdkdebugprivate.h"
@implementation GdkMacosBaseView
-(id)initWithFrame:(NSRect)frameRect
{
if ((self = [super initWithFrame: frameRect]))
{
NSRect rect = NSMakeRect (0, 0, 0, 0);
NSTrackingAreaOptions options;
markedRange = NSMakeRange (NSNotFound, 0);
selectedRange = NSMakeRange (0, 0);
[self setValue: @(YES) forKey: @"postsFrameChangedNotifications"];
options = (NSTrackingMouseEnteredAndExited |
NSTrackingMouseMoved |
NSTrackingActiveAlways);
trackingArea = [[NSTrackingArea alloc] initWithRect:rect
options:options
owner:(id)self
userInfo:nil];
[self addTrackingArea:trackingArea];
}
return self;
}
-(void)setInputArea:(const cairo_rectangle_int_t *)area
{
NSRect rect = NSMakeRect (area->x, area->y, area->width, area->height);
NSTrackingAreaOptions options;
[self removeTrackingArea:trackingArea];
options = (NSTrackingMouseEnteredAndExited |
NSTrackingMouseMoved |
NSTrackingActiveAlways);
trackingArea = [[NSTrackingArea alloc] initWithRect:rect
options:options
owner:(id)self
userInfo:nil];
[self addTrackingArea:trackingArea];
}
-(void)setOpaqueRegion:(cairo_region_t *)region
{
/* Handled in Subclass */
}
-(BOOL)acceptsFirstMouse
{
return YES;
}
-(BOOL)mouseDownCanMoveWindow
{
return NO;
}
-(BOOL)acceptsFirstResponder
{
GDK_DEBUG (EVENTS, "acceptsFirstResponder");
return YES;
}
-(BOOL)becomeFirstResponder
{
GDK_DEBUG (EVENTS, "becomeFirstResponder");
return YES;
}
-(BOOL)resignFirstResponder
{
GDK_DEBUG (EVENTS, "resignFirstResponder");
return YES;
}
-(void)setNeedsInvalidateShadow: (BOOL)invalidate
{
needsInvalidateShadow = invalidate;
}
-(NSTrackingArea *)trackingArea
{
return trackingArea;
}
-(GdkMacosSurface *)gdkSurface
{
return [(GdkMacosWindow *)[self window] gdkSurface];
}
-(GdkMacosDisplay *)gdkDisplay
{
GdkMacosSurface *surface = [self gdkSurface];
GdkDisplay *display = gdk_surface_get_display (GDK_SURFACE (surface));
return GDK_MACOS_DISPLAY (display);
}
-(void)keyDown:(NSEvent *)theEvent
{
/* NOTE: When user press Cmd+A, interpretKeyEvents: will call noop:
* method. When user press and hold A to show the accented char window,
* it consumed repeating key down events for key 'A' do NOT call
* any other method. We use this behavior to determine if this key
* down event is filtered by interpretKeyEvents.
*/
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_FILTERED));
GDK_DEBUG (EVENTS, "keyDown");
[self interpretKeyEvents: [NSArray arrayWithObject: theEvent]];
}
-(void)flagsChanged: (NSEvent *)theEvent
{
}
-(NSUInteger)characterIndexForPoint:(NSPoint)aPoint
{
GDK_DEBUG (EVENTS, "characterIndexForPoint");
return 0;
}
-(NSRect)firstRectForCharacterRange:(NSRange)aRange actualRange: (NSRangePointer)actualRange
{
GdkRectangle *rect;
GDK_DEBUG (EVENTS, "firstRectForCharacterRange");
if ((rect = g_object_get_data (G_OBJECT ([self gdkSurface]), GIC_CURSOR_RECT)))
{
GdkMacosDisplay *display = [self gdkDisplay];
int ns_x, ns_y;
_gdk_macos_display_to_display_coords (display,
rect->x, rect->y + rect->height,
&ns_x, &ns_y);
return NSMakeRect (ns_x, ns_y, rect->width, rect->height);
}
return NSMakeRect (0, 0, 0, 0);
}
-(NSArray *)validAttributesForMarkedText
{
GDK_DEBUG (EVENTS, "validAttributesForMarkedText");
return [NSArray arrayWithObjects: NSUnderlineStyleAttributeName, nil];
}
-(NSAttributedString *)attributedSubstringForProposedRange: (NSRange)aRange actualRange: (NSRangePointer)actualRange
{
GDK_DEBUG (EVENTS, "attributedSubstringForProposedRange");
return nil;
}
-(BOOL)hasMarkedText
{
GDK_DEBUG (EVENTS, "hasMarkedText");
return markedRange.location != NSNotFound && markedRange.length != 0;
}
-(NSRange)markedRange
{
GDK_DEBUG (EVENTS, "markedRange");
return markedRange;
}
-(NSRange)selectedRange
{
GDK_DEBUG (EVENTS, "selectedRange");
return selectedRange;
}
-(void)unmarkText
{
GDK_DEBUG (EVENTS, "unmarkText");
selectedRange = NSMakeRange (0, 0);
markedRange = NSMakeRange (NSNotFound, 0);
g_object_set_data_full (G_OBJECT ([self gdkSurface]), TIC_MARKED_TEXT, NULL, g_free);
}
-(void)setMarkedText:(id)aString selectedRange: (NSRange)newSelection replacementRange: (NSRange)replacementRange
{
const char *str;
GDK_DEBUG (EVENTS, "setMarkedText");
if (replacementRange.location == NSNotFound)
{
markedRange = NSMakeRange (newSelection.location, [aString length]);
selectedRange = NSMakeRange (newSelection.location, newSelection.length);
}
else
{
markedRange = NSMakeRange (replacementRange.location, [aString length]);
selectedRange = NSMakeRange (replacementRange.location + newSelection.location, newSelection.length);
}
if ([aString isKindOfClass: [NSAttributedString class]])
str = [[aString string] UTF8String];
else
str = [aString UTF8String];
g_object_set_data_full (G_OBJECT ([self gdkSurface]), TIC_MARKED_TEXT, g_strdup (str), g_free);
g_object_set_data (G_OBJECT ([self gdkSurface]),
TIC_SELECTED_POS,
GUINT_TO_POINTER (selectedRange.location));
g_object_set_data (G_OBJECT ([self gdkSurface]),
TIC_SELECTED_LEN,
GUINT_TO_POINTER (selectedRange.length));
GDK_DEBUG (EVENTS, "setMarkedText: set %s (%p, nsview %p): %s",
TIC_MARKED_TEXT, [self gdkSurface], self,
str ? str : "(empty)");
/* handle text input changes by mouse events */
if (!GPOINTER_TO_UINT (g_object_get_data (G_OBJECT ([self gdkSurface]), TIC_IN_KEY_DOWN)))
_gdk_macos_surface_synthesize_null_key ([self gdkSurface]);
}
-(void)doCommandBySelector:(SEL)aSelector
{
GDK_DEBUG (EVENTS, "doCommandBySelector");
if ([self respondsToSelector: aSelector])
[self performSelector: aSelector];
}
-(void)insertText:(id)aString replacementRange: (NSRange)replacementRange
{
const char *str;
NSString *string;
GDK_DEBUG (EVENTS, "insertText");
if ([self hasMarkedText])
[self unmarkText];
if ([aString isKindOfClass: [NSAttributedString class]])
string = [aString string];
else
string = aString;
NSCharacterSet *ctrlChars = [NSCharacterSet controlCharacterSet];
NSCharacterSet *wsnlChars = [NSCharacterSet whitespaceAndNewlineCharacterSet];
if ([string rangeOfCharacterFromSet:ctrlChars].length &&
[string rangeOfCharacterFromSet:wsnlChars].length == 0)
{
/* discard invalid text input with Chinese input methods */
str = "";
[self unmarkText];
[[NSTextInputContext currentInputContext] discardMarkedText];
}
else
{
str = [string UTF8String];
}
g_object_set_data_full (G_OBJECT ([self gdkSurface]), TIC_INSERT_TEXT, g_strdup (str), g_free);
GDK_DEBUG (EVENTS, "insertText: set %s (%p, nsview %p): %s",
TIC_INSERT_TEXT, [self gdkSurface], self,
str ? str : "(empty)");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_FILTERED));
/* handle text input changes by mouse events */
if (!GPOINTER_TO_UINT (g_object_get_data (G_OBJECT ([self gdkSurface]), TIC_IN_KEY_DOWN)))
_gdk_macos_surface_synthesize_null_key ([self gdkSurface]);
}
-(void)deleteBackward:(id)sender
{
GDK_DEBUG (EVENTS, "deleteBackward");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)deleteForward:(id)sender
{
GDK_DEBUG (EVENTS, "deleteForward");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)deleteToBeginningOfLine:(id)sender
{
GDK_DEBUG (EVENTS, "deleteToBeginningOfLine");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)deleteToEndOfLine:(id)sender
{
GDK_DEBUG (EVENTS, "deleteToEndOfLine");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)deleteWordBackward:(id)sender
{
GDK_DEBUG (EVENTS, "deleteWordBackward");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)deleteWordForward:(id)sender
{
GDK_DEBUG (EVENTS, "deleteWordForward");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)insertBacktab:(id)sender
{
GDK_DEBUG (EVENTS, "insertBacktab");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)insertNewline:(id)sender
{
GDK_DEBUG (EVENTS, "insertNewline");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)insertTab:(id)sender
{
GDK_DEBUG (EVENTS, "insertTab");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveBackward:(id)sender
{
GDK_DEBUG (EVENTS, "moveBackward");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveBackwardAndModifySelection:(id)sender
{
GDK_DEBUG (EVENTS, "moveBackwardAndModifySelection");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveDown:(id)sender
{
GDK_DEBUG (EVENTS, "moveDown");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveDownAndModifySelection:(id)sender
{
GDK_DEBUG (EVENTS, "moveDownAndModifySelection");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveForward:(id)sender
{
GDK_DEBUG (EVENTS, "moveForward");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveForwardAndModifySelection:(id)sender
{
GDK_DEBUG (EVENTS, "moveForwardAndModifySelection");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveLeft:(id)sender
{
GDK_DEBUG (EVENTS, "moveLeft");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveLeftAndModifySelection:(id)sender
{
GDK_DEBUG (EVENTS, "moveLeftAndModifySelection");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveRight:(id)sender
{
GDK_DEBUG (EVENTS, "moveRight");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveRightAndModifySelection:(id)sender
{
GDK_DEBUG (EVENTS, "moveRightAndModifySelection");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveToBeginningOfDocument:(id)sender
{
GDK_DEBUG (EVENTS, "moveToBeginningOfDocument");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveToBeginningOfDocumentAndModifySelection:(id)sender
{
GDK_DEBUG (EVENTS, "moveToBeginningOfDocumentAndModifySelection");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveToBeginningOfLine:(id)sender
{
GDK_DEBUG (EVENTS, "moveToBeginningOfLine");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveToBeginningOfLineAndModifySelection:(id)sender
{
GDK_DEBUG (EVENTS, "moveToBeginningOfLineAndModifySelection");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveToEndOfDocument:(id)sender
{
GDK_DEBUG (EVENTS, "moveToEndOfDocument");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveToEndOfDocumentAndModifySelection:(id)sender
{
GDK_DEBUG (EVENTS, "moveToEndOfDocumentAndModifySelection");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveToEndOfLine:(id)sender
{
GDK_DEBUG (EVENTS, "moveToEndOfLine");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveToEndOfLineAndModifySelection:(id)sender
{
GDK_DEBUG (EVENTS, "moveToEndOfLineAndModifySelection");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveUp:(id)sender
{
GDK_DEBUG (EVENTS, "moveUp");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveUpAndModifySelection:(id)sender
{
GDK_DEBUG (EVENTS, "moveUpAndModifySelection");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveWordBackward:(id)sender
{
GDK_DEBUG (EVENTS, "moveWordBackward");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveWordBackwardAndModifySelection:(id)sender
{
GDK_DEBUG (EVENTS, "moveWordBackwardAndModifySelection");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveWordForward:(id)sender
{
GDK_DEBUG (EVENTS, "moveWordForward");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveWordForwardAndModifySelection:(id)sender
{
GDK_DEBUG (EVENTS, "moveWordForwardAndModifySelection");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveWordLeft:(id)sender
{
GDK_DEBUG (EVENTS, "moveWordLeft");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveWordLeftAndModifySelection:(id)sender
{
GDK_DEBUG (EVENTS, "moveWordLeftAndModifySelection");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveWordRight:(id)sender
{
GDK_DEBUG (EVENTS, "moveWordRight");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)moveWordRightAndModifySelection:(id)sender
{
GDK_DEBUG (EVENTS, "moveWordRightAndModifySelection");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)pageDown:(id)sender
{
GDK_DEBUG (EVENTS, "pageDown");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)pageDownAndModifySelection:(id)sender
{
GDK_DEBUG (EVENTS, "pageDownAndModifySelection");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)pageUp:(id)sender
{
GDK_DEBUG (EVENTS, "pageUp");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)pageUpAndModifySelection:(id)sender
{
GDK_DEBUG (EVENTS, "pageUpAndModifySelection");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)selectAll:(id)sender
{
GDK_DEBUG (EVENTS, "selectAll");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)selectLine:(id)sender
{
GDK_DEBUG (EVENTS, "selectLine");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)selectWord:(id)sender
{
GDK_DEBUG (EVENTS, "selectWord");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
-(void)noop: (id)sender
{
GDK_DEBUG (EVENTS, "noop");
g_object_set_data (G_OBJECT ([self gdkSurface]),
GIC_FILTER_KEY,
GUINT_TO_POINTER (GIC_FILTER_PASSTHRU));
}
@end
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