cursors

Signed-off-by: stal <[email protected]>

cocoa/cursor.h

@@ -0,0 +1,88 @@
+#ifndef SCA_CURSOR_H
+#define SCA_CURSOR_H
+
+#import <AppKit/AppKit.h>
+
+static inline CGImageRef create_zoom_cursor(CGFloat scale, BOOL plus) {
+    CGColorSpaceRef cs = CGColorSpaceCreateDeviceRGB();
+    CGColorRef black = CGColorCreateGenericRGB(0, 0, 0, 1.0);
+    CGColorRef white = CGColorCreateGenericRGB(1, 1, 1, 1.0);
+
+    CGContextRef draw = CGBitmapContextCreate(NULL, 16 * scale, 16 * scale, 8, 0, cs, (CGBitmapInfo)kCGImageAlphaPremultipliedLast);
+    CGColorSpaceRelease(cs);
+
+    CGContextBeginPath(draw);
+    CGContextMoveToPoint(draw, 2., 14.);
+    CGContextAddLineToPoint(draw, 15., 1.);
+    //CGContextCloseSubpath(draw);
+
+    CGContextSetStrokeColorWithColor(draw, black);
+    CGContextSetLineWidth(draw, 3.0);
+    CGContextDrawPath(draw, kCGPathStroke);
+
+    CGContextBeginPath(draw);
+    CGContextAddEllipseInRect(draw, CGRectInset((CGRect){0, 4, 12, 12}, 0.5, 0.5));
+
+    CGContextSetLineWidth(draw, 1.0);
+    CGContextSetFillColorWithColor(draw, white);
+    CGContextDrawPath(draw, kCGPathFillStroke);
+
+    CGContextBeginPath(draw);
+    CGContextAddRect(draw, (CGRect){3, 9, 6, 2});
+
+    if (plus)
+        CGContextAddRect(draw, (CGRect){5, 7, 2, 6});
+
+    CGContextSetFillColorWithColor(draw, black);
+    CGContextDrawPath(draw, kCGPathFill);
+
+    CGImageRef glass = CGBitmapContextCreateImage(draw);
+    CGContextRelease(draw);
+    CGColorRelease(white);
+    CGColorRelease(black);
+    return glass;
+}
+
+static inline NSCursor *create_zoom_in_cursor(void) {
+    CGImageRef base = create_zoom_cursor(1.0, YES);
+    CGImageRef base2x = create_zoom_cursor(2.0, YES);
+
+    NSBitmapImageRep *b = [[NSBitmapImageRep alloc] initWithCGImage:base];
+    NSBitmapImageRep *b2x = [[NSBitmapImageRep alloc] initWithCGImage:base2x];
+    NSImage *cur = [[NSImage alloc] initWithSize:(CGSize){16, 16}];
+    [cur addRepresentation:b];
+    [cur addRepresentation:b2x];
+
+    NSCursor *ret = [[NSCursor alloc] initWithImage:cur hotSpot:(CGPoint){6, 6}];
+
+    [b release];
+    [b2x release];
+    [cur release];
+    CGImageRelease(base);
+    CGImageRelease(base2x);
+
+    return ret;
+}
+
+static inline NSCursor *create_zoom_out_cursor(void) {
+    CGImageRef base = create_zoom_cursor(1.0, NO);
+    CGImageRef base2x = create_zoom_cursor(2.0, NO);
+
+    NSBitmapImageRep *b = [[NSBitmapImageRep alloc] initWithCGImage:base];
+    NSBitmapImageRep *b2x = [[NSBitmapImageRep alloc] initWithCGImage:base2x];
+    NSImage *cur = [[NSImage alloc] initWithSize:(CGSize){16, 16}];
+    [cur addRepresentation:b];
+    [cur addRepresentation:b2x];
+
+    NSCursor *ret = [[NSCursor alloc] initWithImage:cur hotSpot:(CGPoint){6, 6}];
+
+    [b release];
+    [b2x release];
+    [cur release];
+    CGImageRelease(base);
+    CGImageRelease(base2x);
+
+    return ret;
+}
+
+#endif

cocoa/interaction.m

@@ -1,4 +1,16 @@
 #include "../main.h"
+#include "cursor.h"
+
+NSCursor *cursors[8];
+
+void setup_cursors(void) {
+    cursors[CURSOR_NONE] = [NSCursor arrowCursor];
+    cursors[CURSOR_HAND] = [NSCursor pointingHandCursor];
+    cursors[CURSOR_SELECT] = [NSCursor crosshairCursor];
+    cursors[CURSOR_TEXT] = [NSCursor IBeamCursor];
+    cursors[CURSOR_ZOOM_IN] = create_zoom_in_cursor();
+    cursors[CURSOR_ZOOM_OUT] = create_zoom_out_cursor();
+}
 
 int getbuf(char_t *ptr, size_t len, int value);
 
@@ -132,23 +144,30 @@ - (void)rightMouseUp:(NSEvent *)theEvent {
 }
 
 - (void)mouseMoved:(NSEvent *)theEvent {
+    cursor = 0;
     panel_mmove(&panel_main, 0, 0, utox_window_width, utox_window_height, theEvent.locationInWindow.x, self.frame.size.height - theEvent.locationInWindow.y, theEvent.deltaX, theEvent.deltaY);
+    [cursors[cursor] set];
 }
 
 - (void)mouseDragged:(NSEvent *)theEvent {
+    cursor = 0;
     panel_mmove(&panel_main, 0, 0, utox_window_width, utox_window_height, theEvent.locationInWindow.x, self.frame.size.height - theEvent.locationInWindow.y, theEvent.deltaX, theEvent.deltaY);
+    [cursors[cursor] set];
 }
 
 - (void)rightMouseDragged:(NSEvent *)theEvent {
+    cursor = 0;
     panel_mmove(&panel_main, 0, 0, utox_window_width, utox_window_height, theEvent.locationInWindow.x, self.frame.size.height - theEvent.locationInWindow.y, theEvent.deltaX, theEvent.deltaY);
+    [cursors[cursor] set];
 }
 
 - (void)mouseEntered:(NSEvent *)theEvent {
-
+    [cursors[0] push];
 }
 
 - (void)mouseExited:(NSEvent *)theEvent {
     panel_mleave(&panel_main);
+    [NSCursor pop];
 }
 
 - (void)scrollWheel:(NSEvent *)theEvent {

cocoa/main.m

@@ -303,6 +303,7 @@ @implementation uToxAppDelegate
 #undef SUB_TITLE
 #define SUB_TITLE "(-cocoa alpha)"
 - (void)applicationDidFinishLaunching:(NSNotification *)notification {
+    setup_cursors();
     ironclad = [[NSMutableDictionary alloc] init];
 
     // hold COMMAND to start utox in portable mode

cocoa/objc_main.h

@@ -8,6 +8,7 @@
 extern CGDirectDisplayID desktop_capture_from;
 extern CGRect desktop_capture_rect;
 extern CGFloat desktop_capture_scale;
+void setup_cursors(void);
 
 #define RELEASE_CHK(func, obj) if ((obj)) \
     func((obj));