summaryrefslogtreecommitdiffstats
path: root/src/newt/native/XCBEvent.c
blob: 8add6b6e0cb8398d05e56d6fff3ea8c1135f2afc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308

#define VERBOSE_ON 1

#include "XCBEvent.h"

#include <xcb/xcb.h>
#include <xcb/xcb_event.h>
#include <xcb/xproto.h>
#include <xcb/xcb_keysyms.h>
#include <X11/Xlib-xcb.h>

void XCBSetEventQueueOwner(Display *dpy) {
    XSetEventQueueOwner(dpy, XCBOwnsEventQueue);
}

void XCBEventPoll(JNIEnv *env, jobject obj, Display *dpy, jlong javaObjectAtom, jlong wmDeleteAtom) {
    int num_events = 100;
    xcb_connection_t *conn = NULL;

    if ( NULL == dpy ) {
        return;
    }
    conn = XGetXCBConnection(dpy);

    // Periodically take a break
    while( num_events > 0 ) {
        JavaWindow *w = NULL;
        xcb_generic_event_t *evt;
        // KeySym keySym = 0;
        jint modifiers = 0;
        char keyChar = 0;
        // char text[255];

        evt = xcb_poll_for_event(conn);
        if(NULL == evt) {
            // DBG_PRINT( "X11: DispatchMessages 0x%X - Leave 1\n", dpy); 
            return;
        }
        num_events--;

        /*if( 0==evt.xany.window ) {
            free(evt);
            NewtCommon_throwNewRuntimeException(env, "event window NULL, bail out!");
            return ;
        }

        if(dpy!=evt.xany.display) {
            free(evt);
            NewtCommon_throwNewRuntimeException(env, "wrong display, bail out!");
            return ;
        }*/

        // DBG_PRINT( "X11: DispatchMessages dpy %p, win %p, Event %d\n", (void*)dpy, (void*)evt.xany.window, evt.type);

        // X11WindowDisplayErrorHandlerEnable(1, env);

        // w = X11WindowGetJavaWindowProperty(env, dpy, evt.xany.window, javaObjectAtom, VERBOSE_BOOL);

        //X11WindowDisplayErrorHandlerEnable(0, env);

        /*if(NULL==w) {
            fprintf(stderr, "Warning: NEWT X11 DisplayDispatch %p, Couldn't handle event %d for X11 window %p\n", 
                (void*)dpy, evt.type, (void*)evt.xany.window);
            continue;
        }*/
 
        uint8_t xcb_event_type = evt->response_type & ~0x80;
        xcb_window_t event_window = 0;

        switch( xcb_event_type ) {
            case XCB_BUTTON_PRESS:
            case XCB_BUTTON_RELEASE:
                event_window = ((xcb_button_press_event_t *)evt)->event;
                modifiers = X11InputState2NewtModifiers(((xcb_button_press_event_t *)evt)->state);
                break;
            case XCB_MOTION_NOTIFY:
                event_window = ((xcb_motion_notify_event_t *)evt)->event;
                break;
            case XCB_KEY_PRESS:
            case XCB_KEY_RELEASE: {
                    xcb_key_press_event_t *_evt = (xcb_key_press_event_t *)evt;
                    event_window = _evt->event;
                    /*
                    xcb_keycode_t   detail = _evt->detail;
                    if(XLookupString(&evt.xkey,text,255,&keySym,0)==1) {
                        KeySym lower_return = 0, upper_return = 0;
                        keyChar=text[0];
                        XConvertCase(keySym, &lower_return, &upper_return);
                        // always return upper case, set modifier masks (SHIFT, ..)
                        keySym = upper_return;
                        modifiers = X11InputState2NewtModifiers(evt.xkey.state);
                    } else {
                        keyChar=0;
                    }*/
                }
                break;
            case  XCB_EXPOSE:
                event_window = ((xcb_expose_event_t *)evt)->window;
                break;
            case XCB_MAP_NOTIFY:
                event_window = ((xcb_map_notify_event_t *)evt)->window;
                break;
            case XCB_UNMAP_NOTIFY:
                event_window = ((xcb_unmap_notify_event_t *)evt)->window;
                break;
        } 
        if(0==event_window) {
            fprintf(stderr, "Warning: NEWT X11 DisplayDispatch %p, Couldn't handle event %d, no X11 window associated\n", 
                (void*)dpy, xcb_event_type);
            continue;
        }
        w = getJavaWindowProperty(env, dpy, event_window, javaObjectAtom,
        #ifdef VERBOSE_ON
                True
        #else
                False
        #endif
            );
        if(NULL==w) {
            fprintf(stderr, "Warning: NEWT X11 DisplayDispatch %p, Couldn't handle event %d for X11 window %p\n", 
                (void*)(intptr_t)dpy, xcb_event_type, (void*)(intptr_t)event_window);
            continue;
        }

        switch( xcb_event_type ) {
            case XCB_BUTTON_PRESS: {
                    xcb_button_press_event_t *_evt = (xcb_button_press_event_t *)evt;
                    (*env)->CallVoidMethod(env, w->jwindow, requestFocusID, JNI_FALSE);
                    #ifdef USE_SENDIO_DIRECT
                    (*env)->CallVoidMethod(env, w->jwindow, sendMouseEventID, (jint) EVENT_MOUSE_PRESSED, 
                                          modifiers,
                                          (jint) _evt->event_x, (jint) _evt->event_y, (jint) _evt->state, 0.0f /*rotation*/);
                    #else
                    (*env)->CallVoidMethod(env, w->jwindow, enqueueMouseEventID, JNI_FALSE, (jint) EVENT_MOUSE_PRESSED, 
                                          modifiers,
                                          (jint) _evt->event_x, (jint) _evt->event_y, (jint) _evt->state, 0.0f /*rotation*/);
                    #endif
                } break;
            case XCB_BUTTON_RELEASE: {
                    xcb_button_release_event_t *_evt = (xcb_button_release_event_t *)evt;
                    #ifdef USE_SENDIO_DIRECT
                    (*env)->CallVoidMethod(env, w->jwindow, sendMouseEventID, (jint) EVENT_MOUSE_RELEASED, 
                                          modifiers,
                                          (jint) _evt->event_x, (jint) _evt->event_y, (jint) _evt->state, 0.0f /*rotation*/);
                    #else
                    (*env)->CallVoidMethod(env, w->jwindow, enqueueMouseEventID, JNI_FALSE, (jint) EVENT_MOUSE_RELEASED, 
                                          modifiers,
                                          (jint) _evt->event_x, (jint) _evt->event_y, (jint) _evt->state, 0.0f /*rotation*/);
                    #endif
                } break;
            case XCB_MOTION_NOTIFY: {
                    xcb_motion_notify_event_t *_evt = (xcb_motion_notify_event_t *)evt;
                    #ifdef USE_SENDIO_DIRECT
                    (*env)->CallVoidMethod(env, w->jwindow, sendMouseEventID, (jint) EVENT_MOUSE_MOVED, 
                                          modifiers,
                                          (jint) _evt->event_x, (jint) _evt->event_y, (jint)0, 0.0f /*rotation*/);
                    #else
                    (*env)->CallVoidMethod(env, w->jwindow, enqueueMouseEventID, JNI_FALSE, (jint) EVENT_MOUSE_MOVED, 
                                          modifiers,
                                          (jint) _evt->event_x, (jint) _evt->event_y, (jint)0, 0.0f /*rotation*/);
                    #endif
                } break;
            case XCB_KEY_PRESS: {
                    xcb_key_press_event_t *_evt = (xcb_key_press_event_t *)evt;
                    #ifdef USE_SENDIO_DIRECT
                    (*env)->CallVoidMethod(env, w->jwindow, sendKeyEventID, (jint) EVENT_KEY_PRESSED, 
                                          modifiers, X11KeySym2NewtVKey(_evt->state), (jchar) keyChar);
                    #else
                    (*env)->CallVoidMethod(env, w->jwindow, enqueueKeyEventID, JNI_FALSE, (jint) EVENT_KEY_PRESSED, 
                                          modifiers, X11KeySym2NewtVKey(_evt->state), (jchar) keyChar);
                    #endif
                } break;
            case XCB_KEY_RELEASE: {
                    xcb_key_release_event_t *_evt = (xcb_key_release_event_t *)evt;
                event_window = ((xcb_key_release_event_t *)evt)->event;
                #ifdef USE_SENDIO_DIRECT
                (*env)->CallVoidMethod(env, w->jwindow, sendKeyEventID, (jint) EVENT_KEY_RELEASED, 
                                      modifiers, X11KeySym2NewtVKey(_evt->state), (jchar) keyChar);
                #else
                (*env)->CallVoidMethod(env, w->jwindow, enqueueKeyEventID, JNI_FALSE, (jint) EVENT_KEY_RELEASED, 
                                      modifiers, X11KeySym2NewtVKey(_evt->state), (jchar) keyChar);
                #endif

                } break;
                /*
            case DestroyNotify:
                DBG_PRINT( "X11: event . DestroyNotify call %p, parent %p, child-event: %d\n", 
                    (void*)evt.xdestroywindow.window, (void*)evt.xdestroywindow.event, evt.xdestroywindow.window != evt.xdestroywindow.event);
                if ( evt.xdestroywindow.window == evt.xdestroywindow.event ) {
                    // ignore child destroy notification
                }
                break;
            case CreateNotify:
                DBG_PRINT( "X11: event . CreateNotify call %p, parent %p, child-event: 1\n", 
                    (void*)evt.xcreatewindow.window, (void*) evt.xcreatewindow.parent);
                break;
            case ConfigureNotify:
                DBG_PRINT( "X11: event . ConfigureNotify call %p (parent %p, above %p) %d/%d %dx%d %d, child-event: %d\n", 
                            (void*)evt.xconfigure.window, (void*)evt.xconfigure.event, (void*)evt.xconfigure.above,
                            evt.xconfigure.x, evt.xconfigure.y, evt.xconfigure.width, evt.xconfigure.height, 
                            evt.xconfigure.override_redirect, evt.xconfigure.window != evt.xconfigure.event);
                if ( evt.xconfigure.window == evt.xconfigure.event ) {
                    // ignore child window change notification
                    (*env)->CallBooleanMethod(env, w->jwindow, sizeChangedID, 
                                            (jint) evt.xconfigure.width, (jint) evt.xconfigure.height, JNI_FALSE);
                    (*env)->CallBooleanMethod(env, w->jwindow, positionChangedID, 
                                            (jint) evt.xconfigure.x, (jint) evt.xconfigure.y);
                }
                break;
            case ClientMessage:
                if (evt.xclient.send_event==True && evt.xclient.data.l[0]==(Atom)wmDeleteAtom) {
                    DBG_PRINT( "X11: event . ClientMessage call %p type 0x%X !!!\n", 
                        (void*)evt.xclient.window, (unsigned int)evt.xclient.message_type);
                    (*env)->CallVoidMethod(env, w->jwindow, windowDestroyNotifyID);
                    // Called by Window.java: CloseWindow(); 
                    num_events = 0; // end loop in case of destroyed display
                }
                break;

            case FocusIn:
                DBG_PRINT( "X11: event . FocusIn call %p\n", (void*)evt.xvisibility.window);
                (*env)->CallVoidMethod(env, w->jwindow, focusChangedID, JNI_TRUE);
                break;

            case FocusOut:
                DBG_PRINT( "X11: event . FocusOut call %p\n", (void*)evt.xvisibility.window);
                (*env)->CallVoidMethod(env, w->jwindow, focusChangedID, JNI_FALSE);
                break;
                */

            case  XCB_EXPOSE: {
                    xcb_expose_event_t *_evt = (xcb_expose_event_t *)evt;
                    DBG_PRINT( "X11: event . Expose call %p %d/%d %dx%d count %d\n", (void*)(intptr_t)_evt->window,
                        _evt->x, _evt->y, _evt->width, _evt->height, _evt->count);

                    if (_evt->count == 0 && _evt->width > 0 && _evt->height > 0) {
                        (*env)->CallVoidMethod(env, w->jwindow, windowRepaintID, 
                            _evt->x, _evt->y, _evt->width, _evt->height);
                    }
                } break;

            case XCB_MAP_NOTIFY: {
                    xcb_map_notify_event_t *_evt = (xcb_map_notify_event_t *)evt;
                    DBG_PRINT( "X11: event . MapNotify call Event %p, Window %p, override_redirect %d, child-event: %d\n", 
                        (void*)(intptr_t)_evt->event, (void*)(intptr_t)_evt->window, (int)_evt->override_redirect,
                        _evt->event!=_evt->window);
                    if( _evt->event == _evt->window ) {
                        // ignore child window notification
                        (*env)->CallVoidMethod(env, w->jwindow, visibleChangedID, JNI_TRUE);
                    }
                } break;

            case XCB_UNMAP_NOTIFY: {
                    xcb_unmap_notify_event_t *_evt = (xcb_unmap_notify_event_t *)evt;
                    DBG_PRINT( "X11: event . UnmapNotify call Event %p, Window %p, child-event: %d\n", 
                        (void*)(intptr_t)_evt->event, (void*)(intptr_t)_evt->window,
                        _evt->event!=_evt->window);
                    if( _evt->event == _evt->window ) {
                        // ignore child window notification
                        (*env)->CallVoidMethod(env, w->jwindow, visibleChangedID, JNI_FALSE);
                    }
                } break;
                /*

            case ReparentNotify:
                {
                    jlong parentResult; // 0 if root, otherwise proper value
                    Window winRoot, winTopParent;
                    #ifdef VERBOSE_ON
                        Window oldParentRoot, oldParentTopParent;
                        Window parentRoot, parentTopParent;
                        if( 0 == NewtWindows_getRootAndParent(dpy, evt.xreparent.event, &oldParentRoot, &oldParentTopParent) ) {
                            oldParentRoot=0; oldParentTopParent = 0;
                        }
                        if( 0 == NewtWindows_getRootAndParent(dpy, evt.xreparent.parent, &parentRoot, &parentTopParent) ) {
                            parentRoot=0; parentTopParent = 0;
                        }
                    #endif
                    if( 0 == NewtWindows_getRootAndParent(dpy, evt.xreparent.window, &winRoot, &winTopParent) ) {
                        winRoot=0; winTopParent = 0;
                    }
                    if(evt.xreparent.parent == winRoot) {
                        parentResult = 0; // our java indicator for root window
                    } else {
                        parentResult = (jlong) (intptr_t) evt.xreparent.parent;
                    }
                    #ifdef VERBOSE_ON
                        DBG_PRINT( "X11: event . ReparentNotify: call OldParent %p (root %p, top %p), NewParent %p (root %p, top %p), Window %p (root %p, top %p)\n", 
                            (void*)evt.xreparent.event, (void*)oldParentRoot, (void*)oldParentTopParent,
                            (void*)evt.xreparent.parent, (void*)parentRoot, (void*)parentTopParent,
                            (void*)evt.xreparent.window, (void*)winRoot, (void*)winTopParent);
                    #endif

                    (*env)->CallVoidMethod(env, w->jwindow, windowReparentedID, parentResult);
                }
                break;
                */

            // unhandled events .. yet ..

            default:
                DBG_PRINT("XCB: event . unhandled %d 0x%X call %p\n", (int)xcb_event_type, (unsigned int)xcb_event_type, (void*)(intptr_t)event_window);
        }
        free(evt);
    }
}