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x.c
2397 lines (2080 loc) · 57 KB
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x.c
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/* x.c
* (c) 2002 Petr 'Brain' Kulhavy
* This file is a part of the Links program, released under GPL.
*/
/* Takovej mensi problemek se scrollovanim:
*
* Mikulas a Xy zpusobili, ze scrollovani a prekreslovani je asynchronni. To znamena, ze
* je v tom peknej bordylek. Kdyz BFU scrollne s oknem, tak se zavola funkce scroll. Ta
* posle Xum XCopyArea (prekopiruje prislusny kus okna) a vygeneruje eventu
* (GraphicsExpose) na postizenou (odkrytou) oblast. Funkce XCopyArea pripadne vygeneruje
* dalsi GraphicsExpose eventu na postizenou oblast, ktera se muze objevit, kdyz je
* linksove okno prekryto jinym oknem.
*
* Funkce scroll skonci. V event handleru se nekdy v budoucnosti (treba za tyden)
* zpracuji eventy od Xu, mezi nimi i GraphicsExpose - tedy prekreslovani postizenych
* oblasti.
*
* Problem je v tom, ze v okamziku, kdy scroll skonci, neni obrazovka prekreslena do
* konzistentniho stavu (misty je garbaz) a navic se muze volat dalsi scroll. Tedy
* XCopyArea muze posunout garbaz nekam do cudu a az se dostane na radu prekreslovani
* postizenych oblasti, garbaz se uz nikdy neprekresli.
*
* Ja jsem navrhoval udelat scrollovani synchronni, to znamena, ze v okamziku, kdy scroll
* skonci, bude okno v konzistentnim stavu. To by znamenalo volat ze scrollu zpracovavani
* eventu (alespon GraphicsExpose). To by ovsem nepomohlo, protoze prekreslovaci funkce
* neprekresluje, ale registruje si bottom halfy a podobny ptakoviny a prekresluje az
* nekdy v budoucnosti. Navic Mikulas rikal, ze prekreslovaci funkce muze generovat dalsi
* prekreslovani (sice jsem nepochopil jak, ale hlavne, ze je vecirek), takze by to
* neslo.
*
* Proto Mikulas vymyslel genialni tah - takzvany "genitah". Ve funkci scroll se projede
* fronta eventu od Xserveru a vyberou se GraphicsExp(l)ose eventy a ulozi se do zvlastni
* fronty. Ve funkci na zpracovani Xovych eventu se zpracuji eventy z teto fronty. Na
* zacatku scrollovaci funkce se projedou vsechny eventy ve zvlastni fronte a updatuji se
* jim souradnice podle prislusneho scrollu.
*
* Na to jsem ja vymyslel uzasnou vymluvu: co kdyz 1. scroll vyrobi nejake postizene
* oblasti a 2. scroll bude mit jinou clipovaci oblast, ktera bude tu postizenou oblast
* zasahovat z casti. Tak to se bude jako ta postizena oblast stipat na casti a ty casti
* se posunou podle toho, jestli jsou zasazene tim 2. scrollem? Tim jsem ho utrel, jak
* zpoceny celo.
*
* Takze se to nakonec udela tak, ze ze scrollu vratim hromadu rectanglu, ktere se maji
* prekreslit, a Mikulas si s tim udela, co bude chtit. Podobne jako ve svgalib, kde se
* vrati 1 a Mikulas si prislusnou odkrytou oblast prekresli sam. Doufam jen, ze to je
* posledni verze a ze nevzniknou dalsi problemy.
*
* Ve funkci scroll tedy pribude argument struct rect_set **.
*/
/* Data od XImage se alokujou pomoci malloc. get_links_icon musi alokovat taky
* pomoci malloc.
*/
/* Pozor: po kazdem XSync nebo XFlush se musi dat
* X_SCHEDULE_PROCESS_EVENTS
* jinak to bude cekat na filedescriptoru, i kdyz to ma eventy uz ve fronte.
* -- mikulas
*/
#include "cfg.h"
#ifdef GRDRV_X
/* #define X_DEBUG */
/* #define SC_DEBUG */
#if defined(X_DEBUG) || defined(SC_DEBUG)
#define MESSAGE(a) fprintf(stderr,"%s",a);
#endif
#include "links.h"
/* Mikulas je PRASE: definuje makro "format" a navrch to jeste nechce vopravit */
#ifdef format
#undef format
#endif
#if defined(HAVE_XOPENIM) && defined(HAVE_XCLOSEIM) && defined(HAVE_XCREATEIC) && defined(HAVE_XDESTROYIC) && (defined(HAVE_XWCLOOKUPSTRING) || defined(HAVE_XUTF8LOOKUPSTRING))
#define X_INPUT_METHOD
#endif
#include <X11/Xlib.h>
#include <X11/X.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#ifdef HAVE_X11_XLOCALE_H
#include <X11/Xlocale.h>
#endif
#ifndef XK_MISCELLANY
#define XK_MISCELLANY
#endif
#ifndef XK_LATIN1
#define XK_LATIN1
#endif
#include <X11/keysymdef.h>
#ifdef HAVE_LANGINFO_H
#include <langinfo.h>
#endif
#define X_BORDER_WIDTH 4
#define X_HASH_TABLE_SIZE 64
#define X_MAX_CLIPBOARD_SIZE (15*1024*1024)
#define XPIXMAPP(a) ((struct x_pixmapa*)(a))
static int x_default_window_width;
static int x_default_window_height;
static long (*x_get_color_function)(int);
static void selection_request(XEvent *event);
static int x_fd; /* x socket */
static Display *x_display = NULL; /* display */
static int x_screen; /* screen */
static int x_display_height,x_display_width; /* screen dimensions */
static int x_black_pixel,x_white_pixel; /* white and black pixel */
static int x_depth,x_bitmap_bpp; /* bits per pixel and bytes per pixel */
static int x_bitmap_scanline_pad; /* bitmap scanline_padding in bytes */
static int x_colors; /* colors in the palette (undefined when there's no palette) */
static int x_have_palette;
static int x_input_encoding; /* locales encoding */
static int x_bitmap_bit_order;
static Window x_root_window, fake_window;
static int fake_window_initialized = 0;
static GC x_normal_gc = 0, x_copy_gc = 0, x_drawbitmap_gc = 0, x_scroll_gc = 0;
static Colormap x_colormap;
static Atom x_delete_window_atom, x_wm_protocols_atom, x_sel_atom, x_targets_atom, x_utf8_string_atom;
static Visual* x_default_visual;
static Pixmap x_icon = 0;
#ifdef X_INPUT_METHOD
static XIM xim = NULL;
#endif
extern struct graphics_driver x_driver;
static unsigned char *x_driver_param=NULL;
static int n_wins; /* number of windows */
#define X_TYPE_PIXMAP 1
#define X_TYPE_IMAGE 2
struct x_pixmapa
{
unsigned char type;
union
{
XImage *image;
Pixmap *pixmap;
}data;
};
static struct
{
unsigned char count;
struct graphics_device **pointer;
}
x_hash_table[X_HASH_TABLE_SIZE];
/* string in clipboard is in UTF-8 */
static unsigned char * x_my_clipboard=NULL;
struct window_info {
#ifdef X_INPUT_METHOD
XIC xic;
#endif
Window window;
};
static inline struct window_info *get_window_info(struct graphics_device *gd)
{
return gd->driver_data;
}
/*----------------------------------------------------------------------*/
/* Tyhle opicarny tu jsou pro zvyseni rychlosti. Flush se nedela pri kazde operaci, ale
* rekne se, ze je potreba udelat flush, a zaregistruje se bottom-half, ktery flush
* provede. Takze jakmile se vrati rizeni do select smycky, tak se provede flush.
*/
static void x_wait_for_event(void)
{
fd_set rfds;
int rs;
if (x_fd >= (int)FD_SETSIZE) {
fatal_exit("too big handle %d", x_fd);
}
FD_ZERO(&rfds);
FD_SET(x_fd, &rfds);
EINTRLOOP(rs, select(x_fd+1, &rfds, NULL, NULL, NULL));
}
static void x_process_events(void *data);
static unsigned char flush_in_progress=0;
static unsigned char process_events_in_progress=0;
static inline void X_SCHEDULE_PROCESS_EVENTS(void)
{
if (!process_events_in_progress)
{
register_bottom_half(x_process_events,NULL);
process_events_in_progress = 1;
}
}
static void x_do_flush(void *ignore)
{
/* kdyz budu mit zaregistrovanej bottom-half na tuhle funkci a nekdo mi
* tipne Xy, tak se nic nedeje, maximalne se zavola XFlush na blbej
* display, ale Xy se nepodelaj */
flush_in_progress=0;
XFlush(x_display);
X_SCHEDULE_PROCESS_EVENTS();
}
static inline void X_FLUSH(void)
{
#ifdef INTERIX
/*
* Interix has some bug, it locks up in _XWaitForWritable.
* As a workaround, do synchronous flushes.
*/
x_do_flush(NULL);
#else
if (!flush_in_progress)
{
register_bottom_half(x_do_flush,NULL);
flush_in_progress=1;
}
#endif
}
static int (*old_error_handler)(Display *, XErrorEvent *) = NULL;
static int failure_happened;
static int failure_handler(Display *d, XErrorEvent *e)
{
failure_happened = 1;
return 0;
}
static void x_prepare_for_failure(void)
{
if (old_error_handler)
internal("x_prepare_for_failure: double call");
failure_happened = 0;
old_error_handler = XSetErrorHandler(failure_handler);
}
static int x_test_for_failure(void)
{
XSync(x_display,False);
X_SCHEDULE_PROCESS_EVENTS();
XSetErrorHandler(old_error_handler);
old_error_handler = NULL;
return failure_happened;
}
/* suppose l<h */
static void x_clip_number(int *n,int l,int h)
{
if ((*n)<l)*n=l;
if ((*n)>h)*n=h;
}
static unsigned char * x_set_palette(void)
{
XColor color;
int a,r,g,b;
int tbl0[4]={0,21845,43690,65535};
int tbl1[8]={0,9362,18724,28086,37449,46811,56173,65535};
x_colormap=XCreateColormap(x_display,x_root_window,x_default_visual,AllocAll);
XInstallColormap(x_display,x_colormap);
switch(x_depth)
{
case 4:
for (a=0;a<16;a++)
{
color.red=(a&8)?65535:0;
color.green=tbl0[(a>>1)&3];
color.blue=(a&1)?65535:0;
color.pixel=a;
color.flags=DoRed|DoGreen|DoBlue;
XStoreColor(x_display,x_colormap,&color);
}
break;
case 8:
for (a=0;a<256;a++)
{
color.red=tbl1[(a>>5)&7];
color.green=tbl1[(a>>2)&7];
color.blue=tbl0[a&3];
color.pixel=a;
color.flags=DoRed|DoGreen|DoBlue;
XStoreColor(x_display,x_colormap,&color);
}
break;
case 15:
for (a=0;a<32768;a++){
color.red=((a>>10)&31)*(65535/31);
color.green=((a>>5)&31)*(65535/31);
color.blue=(a&31)*(65535/31);
color.pixel=a;
color.flags=DoRed|DoGreen|DoBlue;
XStoreColor(x_display,x_colormap,&color);
}
break;
case 16:
for (a=0;a<65536;a++){
color.red=((a>>11)&31)*(65535/31);
color.green=((a>>5)&63)*(65535/63);
color.blue=(a&31)*(65535/31);
color.pixel=a;
color.flags=DoRed|DoGreen|DoBlue;
XStoreColor(x_display,x_colormap,&color);
}
break;
case 24:
for (r=0;r<256;r++)
for (g=0;g<256;g++)
for (b=0;b<256;b++)
{
color.red=r<<8;
color.green=g<<8;
color.blue=b<<8;
color.pixel=(r<<16)+(g<<8)+(b);
color.flags=DoRed|DoGreen|DoBlue;
XStoreColor(x_display,x_colormap,&color);
}
break;
}
X_FLUSH();
return NULL;
}
static inline int trans_key(unsigned char * str, int table)
{
if (table==utf8_table){int a; GET_UTF_8(str,a);return a;}
if (*str<128)return *str;
return cp2u(*str,table);
}
/* translates X keys to links representation */
/* return value: 1=valid key, 0=nothing */
static int x_translate_key(struct graphics_device *gd, XKeyEvent *e,int *key,int *flag)
{
KeySym ks = 0;
static XComposeStatus comp = { NULL, 0 };
static unsigned char str[16];
#define str_size ((int)(sizeof(str) - 1))
int table=x_input_encoding<0?drv->codepage:x_input_encoding;
int len;
#ifdef X_INPUT_METHOD
if (get_window_info(gd)->xic) {
Status status;
#ifndef HAVE_XUTF8LOOKUPSTRING
{
wchar_t wc;
len = XwcLookupString(get_window_info(gd)->xic, e, &wc, 1, &ks, &status);
if (len == 1) {
strcpy(cast_char str, cast_const_char encode_utf_8(wc));
len = strlen(cast_const_char str);
} else
len = 0;
}
#else
{
len = Xutf8LookupString(get_window_info(gd)->xic, e, cast_char str, str_size, &ks, &status);
}
#endif
table = utf8_table;
/*fprintf(stderr, "len: %d, ks %ld, status %d\n", len, ks, status);*/
} else
#endif
{
len = XLookupString(e,cast_char str,str_size,&ks,&comp);
}
str[len>str_size?str_size:len]=0;
if (!len) str[0]=ks, str[1]=0;
*flag=0;
*key=0;
/* alt, control, shift ... */
if (e->state&ShiftMask)*flag|=KBD_SHIFT;
if (e->state&ControlMask)*flag|=KBD_CTRL;
if (e->state&Mod1Mask)*flag|=KBD_ALT;
/* alt-f4 */
if (((*flag)&KBD_ALT)&&(ks==XK_F4)){*key=KBD_CTRL_C;*flag=0;return 1;}
/* ctrl-c */
if (((*flag)&KBD_CTRL)&&(ks==XK_c||ks==XK_C)){*key=KBD_CTRL_C;*flag=0;return 1;}
switch (ks)
{
case NoSymbol: return 0;
case XK_Return: *key=KBD_ENTER;break;
case XK_BackSpace: *key=KBD_BS;break;
#ifdef XK_KP_Tab
case XK_KP_Tab:
#endif
case XK_Tab: *key=KBD_TAB;break;
case XK_Escape: *key=KBD_ESC;break;
#ifdef XK_KP_Left
case XK_KP_Left:
#endif
case XK_Left: *key=KBD_LEFT;break;
#ifdef XK_KP_Right
case XK_KP_Right:
#endif
case XK_Right: *key=KBD_RIGHT;break;
#ifdef XK_KP_Up
case XK_KP_Up:
#endif
case XK_Up: *key=KBD_UP;break;
#ifdef XK_KP_Down
case XK_KP_Down:
#endif
case XK_Down: *key=KBD_DOWN;break;
#ifdef XK_KP_Insert
case XK_KP_Insert:
#endif
case XK_Insert: *key=KBD_INS;break;
#ifdef XK_KP_Delete
case XK_KP_Delete:
#endif
case XK_Delete: *key=KBD_DEL;break;
#ifdef XK_KP_Home
case XK_KP_Home:
#endif
case XK_Home: *key=KBD_HOME;break;
#ifdef XK_KP_End
case XK_KP_End:
#endif
case XK_End: *key=KBD_END;break;
#ifdef XK_KP_Page_Up
case XK_KP_Page_Up:
#endif
#ifdef XK_Page_Up
case XK_Page_Up:
#endif
*key=KBD_PAGE_UP;break;
#ifdef XK_KP_Page_Down
case XK_KP_Page_Down:
#endif
#ifdef XK_Page_Down
case XK_Page_Down:
#endif
*key=KBD_PAGE_DOWN;break;
#ifdef XK_KP_F1
case XK_KP_F1:
#endif
case XK_F1: *key=KBD_F1;break;
#ifdef XK_KP_F2
case XK_KP_F2:
#endif
case XK_F2: *key=KBD_F2;break;
#ifdef XK_KP_F3
case XK_KP_F3:
#endif
case XK_F3: *key=KBD_F3;break;
#ifdef XK_KP_F4
case XK_KP_F4:
#endif
case XK_F4: *key=KBD_F4;break;
case XK_F5: *key=KBD_F5;break;
case XK_F6: *key=KBD_F6;break;
case XK_F7: *key=KBD_F7;break;
case XK_F8: *key=KBD_F8;break;
case XK_F9: *key=KBD_F9;break;
case XK_F10: *key=KBD_F10;break;
case XK_F11: *key=KBD_F11;break;
case XK_F12: *key=KBD_F12;break;
case XK_KP_Subtract: *key='-';break;
case XK_KP_Decimal: *key='.';break;
case XK_KP_Divide: *key='/';break;
case XK_KP_Space: *key=' ';break;
case XK_KP_Enter: *key=KBD_ENTER;break;
case XK_KP_Equal: *key='=';break;
case XK_KP_Multiply: *key='*';break;
case XK_KP_Add: *key='+';break;
case XK_KP_0: *key='0';break;
case XK_KP_1: *key='1';break;
case XK_KP_2: *key='2';break;
case XK_KP_3: *key='3';break;
case XK_KP_4: *key='4';break;
case XK_KP_5: *key='5';break;
case XK_KP_6: *key='6';break;
case XK_KP_7: *key='7';break;
case XK_KP_8: *key='8';break;
case XK_KP_9: *key='9';break;
default:
if (ks&0x8000)return 0;
*key=((*flag)&KBD_CTRL)?(int)ks&255:trans_key(str,table);
break;
/*
default: *key=((*flag)&KBD_CTRL)?(int)ks&255:trans_key(str,table);(*flag)&=~KBD_SHIFT;break;
*/
}
return 1;
}
static void x_hash_table_init(void)
{
int a;
for (a=0;a<X_HASH_TABLE_SIZE;a++)
{
x_hash_table[a].count=0;
x_hash_table[a].pointer=NULL;
}
}
static void x_clear_clipboard(void);
static void x_free_hash_table(void)
{
int a,b;
unregister_bottom_half(x_process_events,NULL);
unregister_bottom_half(x_do_flush,NULL);
for (a=0;a<X_HASH_TABLE_SIZE;a++)
{
for (b=0;b<x_hash_table[a].count;b++)
mem_free(x_hash_table[a].pointer[b]);
if (x_hash_table[a].pointer)
mem_free(x_hash_table[a].pointer);
}
x_clear_clipboard();
if (x_display) {
if (x_icon) XFreePixmap(x_display, x_icon), x_icon = 0;
if (fake_window_initialized) XDestroyWindow(x_display,fake_window), fake_window_initialized = 0;
if (x_normal_gc) XFreeGC(x_display,x_normal_gc), x_normal_gc = 0;
if (x_copy_gc) XFreeGC(x_display,x_copy_gc), x_copy_gc = 0;
if (x_drawbitmap_gc) XFreeGC(x_display,x_drawbitmap_gc), x_drawbitmap_gc = 0;
if (x_scroll_gc) XFreeGC(x_display,x_scroll_gc), x_scroll_gc = 0;
#ifdef X_INPUT_METHOD
if (xim) XCloseIM(xim), xim = NULL;
#endif
XCloseDisplay(x_display), x_display = NULL;
}
if (x_driver_param) mem_free(x_driver_param), x_driver_param = NULL;
}
/* returns graphics device structure which belonging to the window */
static struct graphics_device *x_find_gd(Window *win)
{
int a,b;
a=(*win)&(X_HASH_TABLE_SIZE-1);
if (!x_hash_table[a].count)return 0;
for (b=0;b<x_hash_table[a].count;b++)
{
if (get_window_info(x_hash_table[a].pointer[b])->window == *win)
return x_hash_table[a].pointer[b];
}
return NULL;
}
static void x_update_driver_param(int w, int h)
{
int l=0;
if (n_wins!=1)return;
x_default_window_width=w;
x_default_window_height=h;
if (x_driver_param)mem_free(x_driver_param);
x_driver_param=init_str();
add_num_to_str(&x_driver_param,&l,x_default_window_width);
add_to_str(&x_driver_param,&l,cast_uchar "x");
add_num_to_str(&x_driver_param,&l,x_default_window_height);
}
/* adds graphics device to hash table */
static void x_add_to_table(struct graphics_device* gd)
{
int a=get_window_info(gd)->window & (X_HASH_TABLE_SIZE-1);
int c=x_hash_table[a].count;
if (!c) {
x_hash_table[a].pointer=mem_alloc(sizeof(struct graphics_device *));
} else {
if ((unsigned)c > MAXINT / sizeof(struct graphics_device *) - 1) overalloc();
x_hash_table[a].pointer=mem_realloc(x_hash_table[a].pointer,(c+1)*sizeof(struct graphics_device *));
}
x_hash_table[a].pointer[c]=gd;
x_hash_table[a].count++;
}
/* removes graphics device from table */
static void x_remove_from_table(Window *win)
{
int a=(*win)&(X_HASH_TABLE_SIZE-1);
int b;
for (b=0;b<x_hash_table[a].count;b++)
if (get_window_info(x_hash_table[a].pointer[b])->window == *win)
{
memmove(x_hash_table[a].pointer+b,x_hash_table[a].pointer+b+1,(x_hash_table[a].count-b-1)*sizeof(struct graphics_device *));
x_hash_table[a].count--;
x_hash_table[a].pointer=mem_realloc(x_hash_table[a].pointer,x_hash_table[a].count*sizeof(struct graphics_device*));
}
}
static void x_clear_clipboard(void)
{
if(x_my_clipboard)
{
mem_free(x_my_clipboard);
x_my_clipboard=NULL;
}
}
static void x_process_events(void *data)
{
XEvent event;
XEvent last_event;
struct graphics_device *gd;
int last_was_mouse;
int replay_event = 0;
process_events_in_progress = 0;
#ifdef SC_DEBUG
MESSAGE("x_process_event\n");
#endif
memset(&last_event, 0, sizeof last_event); /* against warning */
last_was_mouse=0;
while (XPending(x_display) || replay_event)
{
if (replay_event) replay_event = 0;
else XNextEvent(x_display,&event);
if (last_was_mouse&&(event.type==ButtonPress||event.type==ButtonRelease)) /* this is end of mouse move block --- call mouse handler */
{
int a,b;
last_was_mouse=0;
#ifdef X_DEBUG
MESSAGE("(MotionNotify event)\n");
{
unsigned char txt[256];
sprintf(txt,"x=%d y=%d\n",last_event.xmotion.x,last_event.xmotion.y);
MESSAGE(txt);
}
#endif
gd=x_find_gd(&(last_event.xmotion.window));
if (!gd)break;
a=B_LEFT;
b=B_MOVE;
if ((last_event.xmotion.state)&Button1Mask)
{
a=B_LEFT;
b=B_DRAG;
#ifdef X_DEBUG
MESSAGE("left button/drag\n");
#endif
}
if ((last_event.xmotion.state)&Button2Mask)
{
a=B_MIDDLE;
b=B_DRAG;
#ifdef X_DEBUG
MESSAGE("middle button/drag\n");
#endif
}
if ((last_event.xmotion.state)&Button3Mask)
{
a=B_RIGHT;
b=B_DRAG;
#ifdef X_DEBUG
MESSAGE("right button/drag\n");
#endif
}
x_clip_number(&(last_event.xmotion.x),gd->size.x1,gd->size.x2);
x_clip_number(&(last_event.xmotion.y),gd->size.y1,gd->size.y2);
gd->mouse_handler(gd,last_event.xmotion.x,last_event.xmotion.y,a|b);
}
switch(event.type)
{
case GraphicsExpose: /* redraw uncovered area during scroll */
{
struct rect r;
#ifdef X_DEBUG
MESSAGE("(GraphicsExpose event)\n");
#endif
gd=x_find_gd(&(event.xgraphicsexpose.drawable));
if (!gd)break;
r.x1=event.xgraphicsexpose.x;
r.y1=event.xgraphicsexpose.y;
r.x2=event.xgraphicsexpose.x+event.xgraphicsexpose.width;
r.y2=event.xgraphicsexpose.y+event.xgraphicsexpose.height;
gd->redraw_handler(gd,&r);
}
break;
case Expose: /* redraw part of the window */
{
struct rect r;
#ifdef X_DEBUG
MESSAGE("(Expose event)\n");
#endif
gd=x_find_gd(&(event.xexpose.window));
if (!gd)break;
r.x1=event.xexpose.x;
r.y1=event.xexpose.y;
r.x2=event.xexpose.x+event.xexpose.width;
r.y2=event.xexpose.y+event.xexpose.height;
gd->redraw_handler(gd,&r);
}
break;
case ConfigureNotify: /* resize window */
#ifdef X_DEBUG
MESSAGE("(ConfigureNotify event)\n");
{
unsigned char txt[256];
sprintf(txt,"width=%d height=%d\n",event.xconfigure.width,event.xconfigure.height);
MESSAGE(txt);
}
#endif
gd=x_find_gd(&(event.xconfigure.window));
if (!gd)break;
/* when window only moved and size is the same, do nothing */
if (gd->size.x2==event.xconfigure.width&&gd->size.y2==event.xconfigure.height)break;
configure_notify_again:
gd->size.x2=event.xconfigure.width;
gd->size.y2=event.xconfigure.height;
x_update_driver_param(event.xconfigure.width, event.xconfigure.height);
while (XCheckWindowEvent(x_display,get_window_info(gd)->window,ExposureMask,&event)==True)
;
if (XCheckWindowEvent(x_display,get_window_info(gd)->window,StructureNotifyMask,&event)==True) {
if (event.type==ConfigureNotify) goto configure_notify_again;
replay_event=1;
}
gd->resize_handler(gd);
break;
case KeyPress: /* a key was pressed */
{
int f,k;
#ifdef X_DEBUG
MESSAGE("(KeyPress event)\n");
{
unsigned char txt[256];
sprintf(txt,"keycode=%d state=%d\n",event.xkey.keycode,event.xkey.state);
MESSAGE(txt);
}
#endif
#ifdef X_INPUT_METHOD
if (XFilterEvent(&event, None))
break;
#endif
gd=x_find_gd(&(event.xkey.window));
if (!gd)break;
if (x_translate_key(gd, (XKeyEvent*)(&event),&k,&f))
gd->keyboard_handler(gd,k,f);
}
break;
case ClientMessage:
if (
event.xclient.format!=32||
event.xclient.message_type!=x_wm_protocols_atom||
(Atom)event.xclient.data.l[0]!=x_delete_window_atom
)break;
/* This event is destroy window event from window manager */
case DestroyNotify:
#ifdef X_DEBUG
MESSAGE("(DestroyNotify event)\n");
#endif
gd=x_find_gd(&(event.xkey.window));
if (!gd)break;
gd->keyboard_handler(gd,KBD_CLOSE,0);
break;
case ButtonRelease: /* mouse button was released */
{
int a;
#ifdef X_DEBUG
MESSAGE("(ButtonRelease event)\n");
{
unsigned char txt[256];
sprintf(txt,"x=%d y=%d buttons=%d mask=%d\n",event.xbutton.x,event.xbutton.y,event.xbutton.button,event.xbutton.state);
MESSAGE(txt);
}
#endif
gd=x_find_gd(&(event.xbutton.window));
if (!gd)break;
last_was_mouse=0;
switch(event.xbutton.button)
{
case 1:
a=B_LEFT;
break;
case 3:
a=B_RIGHT;
break;
case 2:
a=B_MIDDLE;
break;
case 8:
a=B_FOURTH;
break;
case 9:
a=B_FIFTH;
break;
default:
goto r_xx;
}
x_clip_number(&(event.xmotion.x),gd->size.x1,gd->size.x2);
x_clip_number(&(event.xmotion.y),gd->size.y1,gd->size.y2);
gd->mouse_handler(gd,event.xbutton.x,event.xbutton.y,a|B_UP);
r_xx:;
}
break;
case ButtonPress: /* mouse button was pressed */
{
int a;
#ifdef X_DEBUG
MESSAGE("(ButtonPress event)\n");
{
unsigned char txt[256];
sprintf(txt,"x=%d y=%d buttons=%d mask=%d\n",event.xbutton.x,event.xbutton.y,event.xbutton.button,event.xbutton.state);
MESSAGE(txt);
}
#endif
gd=x_find_gd(&(event.xbutton.window));
if (!gd)break;
last_was_mouse=0;
switch(event.xbutton.button)
{
case 1:
a=B_LEFT;
break;
case 3:
a=B_RIGHT;
break;
case 2:
a=B_MIDDLE;
break;
case 4:
a=B_WHEELUP;
break;
case 5:
a=B_WHEELDOWN;
break;
case 6:
a=B_WHEELLEFT;
break;
case 7:
a=B_WHEELRIGHT;
break;
case 8:
a=B_FOURTH;
break;
case 9:
a=B_FIFTH;
break;
default:
goto p_xx;
}
x_clip_number(&(event.xmotion.x),gd->size.x1,gd->size.x2);
x_clip_number(&(event.xmotion.y),gd->size.y1,gd->size.y2);
gd->mouse_handler(gd,event.xbutton.x,event.xbutton.y,a|(a != B_WHEELDOWN && a != B_WHEELUP && a != B_WHEELLEFT && a != B_WHEELRIGHT ? B_DOWN : B_MOVE));
p_xx:;
}
break;
case MotionNotify: /* pointer moved */
{
#ifdef X_DEBUG
MESSAGE("(MotionNotify event)\n");
{
unsigned char txt[256];
sprintf(txt,"x=%d y=%d\n",event.xmotion.x,event.xmotion.y);
MESSAGE(txt);
}
#endif
/* just sign, that this was mouse event */
last_was_mouse=1;
last_event=event;
}
break;
/* read clipboard */
case SelectionNotify:
#ifdef X_DEBUG
MESSAGE("xselectionnotify\n");
#endif
/* handled in x_get_clipboard_text */
break;
/* This long code must be here in order to implement copying of stuff into the clipboard */
case SelectionRequest:
{
selection_request(&event);
}
break;
case MapNotify:
XFlush (x_display);
break;
default:
#ifdef X_DEBUG
{
unsigned char txt[256];
sprintf(txt,"event=%d\n",event.type);
MESSAGE(txt);
}
#endif
break;
}
}
if (last_was_mouse) /* that was end of mouse move block --- call mouse handler */
{
int a,b;
last_was_mouse=0;
#ifdef X_DEBUG
MESSAGE("(MotionNotify event)\n");
/*
{
unsigned char txt[256];
sprintf(txt,"x=%d y=%d\n",last_event.xmotion.x,last_event.xmotion.y);
MESSAGE(txt);
}
*/
#endif
gd=x_find_gd(&(last_event.xmotion.window));