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1 /*
2     SDL - Simple DirectMedia Layer
3     Copyright (C) 1997-2012 Sam Lantinga
4 
5     This library is free software; you can redistribute it and/or
6     modify it under the terms of the GNU Lesser General Public
7     License as published by the Free Software Foundation; either
8     version 2.1 of the License, or (at your option) any later version.
9 
10     This library is distributed in the hope that it will be useful,
11     but WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13     Lesser General Public License for more details.
14 
15     You should have received a copy of the GNU Lesser General Public
16     License along with this library; if not, write to the Free Software
17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
18 
19     Sam Lantinga
20     slouken@libsdl.org
21 
22     Micah Dowty
23     micahjd@users.sourceforge.net
24 */
25 #include "SDL_config.h"
26 
27 #include "SDL.h"
28 #include "../../events/SDL_sysevents.h"
29 #include "../../events/SDL_events_c.h"
30 #include "SDL_pgvideo.h"
31 #include "SDL_pgevents_c.h"
32 
PG_HandleClose(struct pgEvent * evt)33 int PG_HandleClose(struct pgEvent *evt)
34 {
35         SDL_PrivateQuit();
36 	return 1;               /* Intercept the event's normal quit handling */
37 }
38 
PG_HandleResize(struct pgEvent * evt)39 int PG_HandleResize(struct pgEvent *evt)
40 {
41         SDL_PrivateResize(evt->e.size.w, evt->e.size.h);
42 	return 0;
43 }
44 
PG_HandleKey(struct pgEvent * evt)45 int PG_HandleKey(struct pgEvent *evt)
46 {
47         SDL_keysym sym;
48 	SDL_memset(&sym,0,sizeof(sym));
49 	sym.sym = evt->e.kbd.key;
50 	sym.mod = evt->e.kbd.mods;
51         SDL_PrivateKeyboard(evt->type == PG_WE_KBD_KEYDOWN, &sym);
52 	return 0;
53 }
54 
PG_HandleChar(struct pgEvent * evt)55 int PG_HandleChar(struct pgEvent *evt)
56 {
57         SDL_keysym sym;
58 	SDL_memset(&sym,0,sizeof(sym));
59 	sym.unicode = evt->e.kbd.key;
60 	sym.mod = evt->e.kbd.mods;
61         SDL_PrivateKeyboard(evt->type == PG_WE_KBD_KEYDOWN, &sym);
62 	return 0;
63 }
64 
PG_HandleMouseButton(struct pgEvent * evt)65 int PG_HandleMouseButton(struct pgEvent *evt)
66 {
67         /* We need to focus the canvas when it's clicked */
68         if (evt->extra) {
69 	        SDL_VideoDevice *this = (SDL_VideoDevice *) evt->extra;
70 		pgFocus(this->hidden->wCanvas);
71 	}
72         SDL_PrivateMouseButton(evt->type == PG_WE_PNTR_DOWN, evt->e.pntr.chbtn,
73 			       evt->e.pntr.x, evt->e.pntr.y);
74 	return 0;
75 }
76 
PG_HandleMouseMotion(struct pgEvent * evt)77 int PG_HandleMouseMotion(struct pgEvent *evt)
78 {
79         SDL_PrivateMouseMotion(evt->e.pntr.btn,0,evt->e.pntr.x, evt->e.pntr.y);
80 	return 0;
81 }
82 
PG_PumpEvents(_THIS)83 void PG_PumpEvents(_THIS)
84 {
85         /* Process all pending events */
86         pgEventPoll();
87 }
88 
PG_InitOSKeymap(_THIS)89 void PG_InitOSKeymap(_THIS)
90 {
91         /* We need no keymap */
92 }
93 
PG_InitEvents(_THIS)94 void PG_InitEvents(_THIS)
95 {
96         /* Turn on all the mouse and keyboard triggers for our canvas, normally less important
97 	 * events like mouse movement are ignored to save bandwidth. */
98         pgSetWidget(this->hidden->wCanvas, PG_WP_TRIGGERMASK,
99 		    pgGetWidget(this->hidden->wCanvas, PG_WP_TRIGGERMASK) |
100 		    PG_TRIGGER_UP | PG_TRIGGER_DOWN | PG_TRIGGER_MOVE |
101 		    PG_TRIGGER_KEYUP | PG_TRIGGER_KEYDOWN | PG_TRIGGER_CHAR,0);
102 
103 	/* Start our canvas out focused, so we get keyboard input */
104 	pgFocus(this->hidden->wCanvas);
105 
106         /* Set up bindings for all the above event handlers */
107         pgBind(this->hidden->wApp,    PG_WE_CLOSE, &PG_HandleClose, NULL);
108         pgBind(this->hidden->wCanvas, PG_WE_BUILD, &PG_HandleResize, NULL);
109         pgBind(this->hidden->wCanvas, PG_WE_KBD_CHAR, &PG_HandleChar, NULL);
110         pgBind(this->hidden->wCanvas, PG_WE_KBD_KEYUP, &PG_HandleKey, NULL);
111         pgBind(this->hidden->wCanvas, PG_WE_KBD_KEYDOWN, &PG_HandleKey, NULL);
112         pgBind(this->hidden->wCanvas, PG_WE_PNTR_MOVE, &PG_HandleMouseMotion, NULL);
113         pgBind(this->hidden->wCanvas, PG_WE_PNTR_UP, &PG_HandleMouseButton, NULL);
114         pgBind(this->hidden->wCanvas, PG_WE_PNTR_DOWN, &PG_HandleMouseButton, this);
115 }
116 
117 /* end of SDL_pgevents.c ... */
118