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kolibrios-fun/programs/develop/libraries/libGUI/SRC/main_libGUI.inc

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/*
main meneger loop libGUI library
*/
void LibGUImain(parent_t *WindowParent)
{
DWORD event,key,value;
header_t *control;
gui_message_t *events_message;
gui_timer_t *seek_timer,*exchange_timer;
gui_callbackevent_t *seek_calev,*calev,*exchange_calev;
int i;
char quit;
events_message=(struct MESSAGE*)WindowParent->message;
//tell all child controls of main parent who is main parent
events_message->type=MESSAGE_SET_MAIN_PARENT;
events_message->arg1=(DWORD)WindowParent;
SendMessage((struct HEADER *)WindowParent,events_message);
//display all created controls in window
gui_draw_window(WindowParent);
events_message->type=MESSAGE_FULL_REDRAW_ALL;
SendMessage((struct HEADER *)WindowParent,events_message);
events_message->type=0;
quit=FALSE;
WindowParent->number_callbacks=0;
while (quit==FALSE)
{
//check for timers
if ((WindowParent->timer_bk!=(DWORD*)NULL) ||
(WindowParent->number_timers_for_controls!=0)) {event=gui_ksys_wait_event_with_timeout(1);}
else {event=gui_ksys_wait_event();}
//get and chack system events
switch(event)
{
case KOLIBRIOS_SYS_EVENT_BUTTON_PRESSED:
{
if (ControlCheckCallbackEvent(WindowParent,DELETE_EVENT)!=NULL)
{
WindowParent->flags |= FLAG_CONNECT_EVENT_ON;
WindowParent->control_for_callback_function[WindowParent->number_callbacks]=
(DWORD*)WindowParent;
WindowParent->callback_for_control_callback[WindowParent->number_callbacks]=
(DWORD*)ControlCheckCallbackEvent(WindowParent,(DWORD)DELETE_EVENT);
WindowParent->number_callbacks++;
}
quit=TRUE;
break;
}
case KOLIBRIOS_SYS_EVENT_REDRAW:
{
GetNewWindowSizePos(WindowParent);
SetWindowSizeRequest(WindowParent,WindowParent->ctrl_sizex,WindowParent->ctrl_sizey);
gui_draw_window(WindowParent);
events_message->type=MESSAGE_FULL_REDRAW_ALL;
SendMessage((struct HEADER *)WindowParent,events_message);
break;
}
case KOLIBRIOS_SYS_EVENT_KEYS:
{
key=gui_ksys_get_key();
key=key>>8;
if (key & 128)
{
events_message->arg1=KEY_UP;
events_message->arg2=key & 127;
}
else
{
events_message->arg1=KEY_DOWN;
events_message->arg2=key;
}
events_message->type=MESSAGE_KEYS_EVENT;
SendMessage((struct HEADER *)WindowParent,events_message);
break;
}
case KOLIBRIOS_SYS_EVENT_MOUSE:
{
value=gui_ksys_get_window_mouse_coordinates();
events_message->type=MESSAGE_MOUSE_EVENT;
events_message->arg2=(value & 0xffff)-screen.y;//y
value=value >>16;
events_message->arg1=value-screen.x;//x
value=gui_ksys_get_mouse_buttons_state();
switch(value)
{
case KOLIBRIOS_SYS_MOUSE_BUTTON_LEFT_DOWN:
{
events_message->arg3=MOUSE_LEFT_BUTTON_DOWN;
break;
}
case KOLIBRIOS_SYS_MOUSE_BUTTON_RIGHT_DOWN:
{
events_message->arg3=MOUSE_RIGHT_BUTTON_DOWN;
break;
}
case KOLIBRIOS_SYS_MOUSE_BUTTON_MIDDLE_DOWN:
{
events_message->arg3=MOUSE_MIDDLE_BUTTON_DOWN;
break;
}
case KOLIBRIOS_SYS_MOUSE_BUTTON_4_DOWN:
{
events_message->arg3=MOUSE_4_BUTTON_DOWN;
break;
}
case KOLIBRIOS_SYS_MOUSE_BUTTON_5_DOWN:
{
events_message->arg3=MOUSE_5_BUTTON_DOWN;
break;
}
default:
{
if (events_message->arg3==MOUSE_LEFT_BUTTON_DOWN)
{
events_message->arg3=MOUSE_LEFT_BUTTON_UP;
break;
}
if (events_message->arg3==MOUSE_RIGHT_BUTTON_DOWN)
{
events_message->arg3=MOUSE_RIGHT_BUTTON_UP;
break;
}
if (events_message->arg3==MOUSE_MIDDLE_BUTTON_DOWN)
{
events_message->arg3=MOUSE_MIDDLE_BUTTON_UP;
break;
}
if (events_message->arg3==MOUSE_4_BUTTON_DOWN)
{
events_message->arg3=MOUSE_4_BUTTON_UP;
break;
}
if (events_message->arg3==MOUSE_5_BUTTON_DOWN)
{
events_message->arg3=MOUSE_5_BUTTON_UP;
break;
}
break;
}
}
SendMessage((struct HEADER *)WindowParent,events_message);
break;
}
}
//call functions for events
seek_calev=(struct CALLBACKEVENT*)WindowParent->calev_bk;
while(seek_calev!=(struct CALLBACKEVENT*)NULL)
{
if (seek_calev->event_type==events_message->type)
{
CallbackFunctionForEvent=(void(*)(struct MESSAGE *message,void *data))seek_calev->func;
CallbackFunctionForEvent(events_message,seek_calev->func_data);
}
exchange_calev=(struct CALLBACKEVENT*)seek_calev->calev_fd;
seek_calev=exchange_calev;
}
//call timers of controls
if (WindowParent->number_timers_for_controls!=0)
{
events_message->type=(char)MESSAGE_CALL_TIMER_EVENT;
SendMessage((struct HEADER *)WindowParent,events_message);
}
//call callback functions
for(i=0;i<WindowParent->number_callbacks;i++)
{
control=(struct HEADER*)WindowParent->control_for_callback_function[i];
//check callback control
if (control!=(header_t*)NULL)
{
if (control->flags & FLAG_CONNECT_EVENT_ON)
{
calev=(struct CALLBACKEVENT*)
WindowParent->callback_for_control_callback[i];
#ifdef DEBUG
printf("\ntry to call callback %d for function %d data %d",
(DWORD)calev,
(DWORD)calev->func,
(DWORD)calev->func_data);
#endif
CallbackFunction=(void (*)(header_t *Control,void *data))calev->func;
CallbackFunction(control,calev->func_data);
control->flags=control->flags & FLAG_CONNECT_EVENT_OFF;
}
}
}
WindowParent->number_callbacks=0;
//call timers of parent window
seek_timer=(struct TIMER*)WindowParent->timer_bk;
while(seek_timer!=(struct TIMER*)NULL)
{
if (seek_timer->flags & FLAG_TIMER_ON) Timer(seek_timer);
exchange_timer=(struct TIMER*)seek_timer->tmr_fd;
seek_timer=exchange_timer;
}
//check for IDL function and call it if enabled
if (WindowParent->IDL_func!=(DWORD*)NULL)
{
IDL_Function=(void(*)(void *data))WindowParent->IDL_func;
IDL_Function(WindowParent->IDL_func_data);
}
}
}