annotate src/video/cocoa/SDL_cocoashape.m @ 4829:7160e833c4ac

Implemented shaped windows for Cocoa. Still need to see if they actually work.
author egottlieb
date Tue, 03 Aug 2010 21:56:05 -0400
parents 5660aac926e9
children 3dfe779900f5
rev   line source
4809
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
1 /*
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
3 Copyright (C) 2010 Eli Gottlieb
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
4
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
6 modify it under the terms of the GNU Lesser General Public
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
9
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
13 Lesser General Public License for more details.
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
14
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
15 You should have received a copy of the GNU Lesser General Public
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
16 License along with this library; if not, write to the Free Software
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
18
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
19 Eli Gottlieb
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
20 eligottlieb@gmail.com
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
21 */
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
22
4827
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
23 #include "SDL_stdinc.h"
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
24 #include "SDL_cocoavideo.h"
4809
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
25 #include "SDL_shape.h"
4810
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
26 #include "SDL_cocoashape.h"
4827
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
27 #include "SDL_sysvideo.h"
4809
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
28
4810
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
29 SDL_WindowShaper* Cocoa_CreateShaper(SDL_Window* window) {
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
30 SDL_WindowData* data = (SDL_WindowData*)window->driverdata;
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
31 [data->nswindow setAlpha:1.0];
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
32 [data->nswindow setOpaque:YES];
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
33 [data->nswindow setStyleMask:NSBorderlessWindowMask];
4827
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
34 SDL_WindowShaper* result = SDL_malloc(sizeof(SDL_WindowShaper));
4810
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
35 result->window = window;
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
36 result->mode.mode = ShapeModeDefault;
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
37 result->mode.parameters.binarizationCutoff = 1;
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
38 result->usershownflag = 0;
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
39 window->shaper = result;
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
40
4827
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
41 SDL_ShapeData* shape_data = SDL_malloc(sizeof(SDL_ShapeData));
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
42 result->driverdata = shape_data;
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
43 shape_data->context = [data->nswindow graphicsContext];
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
44 shape_data->saved = SDL_FALSE;
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
45 shape_data->shape = NULL;
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
46
4810
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
47 int resized_properly = Cocoa_ResizeWindowShape(window);
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
48 assert(resized_properly == 0);
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
49 return result;
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
50 }
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
51
4829
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
52 typedef struct {
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
53 NSBezierPath* clipPath;
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
54 SDL_Window* window;
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
55 } SDL_PathConglomeration;
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
56
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
57 NSRect convert_rect(SDL_Rect rect,SDL_Window* window) {
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
58 NSRect nsrect = NSMakeRect(rect.x,window->h-(rect.y+rect.h),rect.w,rect.h);
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
59 return [[((SDL_WindowData*)window->driverdata)->nswindow contentView] convertRectFromBase:nsrect];
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
60 }
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
61
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
62 void ConglomerateShapeTree(SDL_ShapeTree* tree,SDL_PathConglomeration cong) {
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
63 if(tree->kind == OpaqueShape) {
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
64 NSRect rect = convert_rect(tree->data.shape,cong->window);
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
65 [cong->clipPath appendBezierPathWithRect:rect];
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
66 }
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
67 }
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
68
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
69 int Cocoa_SetWindowShape(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shapeMode) {
4827
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
70 SDL_ShapeData* data = (SDL_ShapeData*)shaper->driverdata;
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
71 if(data->saved == SDL_TRUE) {
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
72 [data->context restoreGraphicsState];
4827
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
73 data->saved = SDL_FALSE;
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
74 }
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
75
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
76 [data->context saveGraphicsState];
4827
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
77 data->saved = SDL_TRUE;
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
78
4829
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
79 //[[NSColor clearColor] set];
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
80 //NSRectFill([[((SDL_WindowData*)shaper->window->driverdata)->nswindow contentView] frame]);
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
81 /* TODO: It looks like Cocoa can set a clipping path based on a list of rectangles. That's what we get from the
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
82 Windoze shape-calculation code: a list of rectangles. This will work... I think. */
4829
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
83 NSBezierPath* clipPath = [NSBezierPath bezierPath];
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
84
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
85 SDL_PathConglomeration cong = {clipPath,shaper->window};
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
86
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
87 SDL_TraverseShapeTree(data->shape,&ConglomerateShapeTree,cong);
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
88
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
89 [clipPath addClip];
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
90 }
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
91
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
92 int Cocoa_ResizeWindowShape(SDL_Window *window) {
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
93 SDL_ShapeData* data = window->shaper->driverdata;
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
94 assert(data != NULL);
4827
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
95
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
96 if(data->shape != NULL)
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
97 SDL_FreeShapeTree(&data->shape);
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
98
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
99 return 0;
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
100 }