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X11: handle window resize and close

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This commit is contained in:
Thomas Bernard 2018-07-01 13:12:19 +02:00
parent 74a8ad142f
commit d5bd599461
2 changed files with 78 additions and 48 deletions
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14
src/input.c
View File

@ -1358,6 +1358,20 @@ int Get_input(int sleep_time)
Update_rect(event.xexpose.x, event.xexpose.y,
event.xexpose.width, event.xexpose.height);
break;
case ConfigureNotify:
if (event.xconfigure.above == 0)
{
Resize_width = event.xconfigure.width;
Resize_height = event.xconfigure.height;
}
break;
case ClientMessage:
if (event.xclient.data.l[0] == XInternAtom(X11_display, "WM_DELETE_WINDOW", False))
{
Quit_is_required = 1;
user_feedback_required = 1;
}
break;
default:
printf("event.type = %d\n", event.type);
}

112
src/x11screen.c
View File

@ -43,13 +43,9 @@ void GFX2_Set_mode(int *width, int *height, int fullscreen)
unsigned long white, black;
char * winName[] = { "GrafX2" };
Visual * visual;
const char blank_data[1] = { 0 };
Pixmap blank;
Cursor cursor;
XColor dummy;
if (X11_display == NULL)
X11_display = XOpenDisplay(NULL);//getenv("DISPLAY")
X11_display = XOpenDisplay(NULL);// NULL is equivalent to getenv("DISPLAY")
if (X11_display == NULL)
{
fprintf(stderr, "X11: cannot open display\n");
@ -75,53 +71,73 @@ void GFX2_Set_mode(int *width, int *height, int fullscreen)
}
depth = DisplayPlanes(X11_display, s);
X11_window = XCreateSimpleWindow(X11_display, RootWindow(X11_display, s),
0, 0, *width, *height, 0, white, black);
// create blank 1x1 pixmap to make a 1x1 transparent cursor
blank = XCreateBitmapFromData(X11_display, X11_window, blank_data, 1, 1);
cursor = XCreatePixmapCursor(X11_display, blank, blank, &dummy, &dummy, 0, 0);
//cursor = XCreateFontCursor(X11_display, 130 /*XC_tcross*/);
XDefineCursor(X11_display, X11_window, cursor);
XFreePixmap(X11_display, blank);
XFreeCursor(X11_display, cursor);
X11_gc = XCreateGC(X11_display, X11_window, 0, NULL);
XSetFunction(X11_display, X11_gc, GXcopy);
XStringListToTextProperty(winName, 1, &windowName);
XSetWMName(X11_display, X11_window, &windowName);
// TODO : set icon
screen = New_GFX2_Surface(*width, *height);
memset(screen->pixels, 0, *width * *height);
image_pixels = malloc(*height * *width * 4);
memset(image_pixels, 64, *height * *width * 4);
#if 0
{
int i;
for (i= 3*8; i < (*height * *width * 4); i += *width * 4)
{
image_pixels[i+0] = 0; // B
image_pixels[i+1] = 0; // G
image_pixels[i+2] = 0; // R
}
}
#endif
X11_image = XCreateImage(X11_display, visual, depth,
ZPixmap, 0, image_pixels, *width, *height,
32, 0/**width * 4*/);
if(X11_image == NULL)
if (X11_window == NULL)
{
fprintf(stderr, "XCreateImage failed\n");
exit(1);
static const char blank_data[1] = { 0 };
Pixmap blank;
Cursor cursor;
XColor dummy;
Atom wmDelete;
X11_window = XCreateSimpleWindow(X11_display, RootWindow(X11_display, s),
0, 0, *width, *height, 0, white, black);
// create blank 1x1 pixmap to make a 1x1 transparent cursor
blank = XCreateBitmapFromData(X11_display, X11_window, blank_data, 1, 1);
cursor = XCreatePixmapCursor(X11_display, blank, blank, &dummy, &dummy, 0, 0);
//cursor = XCreateFontCursor(X11_display, 130 /*XC_tcross*/);
XDefineCursor(X11_display, X11_window, cursor);
XFreePixmap(X11_display, blank);
XFreeCursor(X11_display, cursor);
X11_gc = XCreateGC(X11_display, X11_window, 0, NULL);
//XSetFunction(X11_display, X11_gc, GXcopy);
XStringListToTextProperty(winName, 1, &windowName);
XSetWMName(X11_display, X11_window, &windowName);
// TODO : set icon
XSelectInput(X11_display, X11_window,
PointerMotionMask | ButtonPressMask | ButtonReleaseMask | KeyPressMask | ExposureMask | StructureNotifyMask);
wmDelete = XInternAtom(X11_display, "WM_DELETE_WINDOW", True);
XSetWMProtocols(X11_display, X11_window, &wmDelete, 1);
XMapWindow(X11_display, X11_window);
}
XSelectInput(X11_display, X11_window,
PointerMotionMask | ButtonPressMask | ButtonReleaseMask | KeyPressMask | ExposureMask | StructureNotifyMask);
if (screen == NULL)
{
screen = New_GFX2_Surface(*width, *height);
memset(screen->pixels, 0, *width * *height);
}
else if (*width > screen->w || *height > screen->h)
{
screen->pixels = realloc(screen->pixels, *width * *height);
screen->w = *width;
screen->h = *height;
XDestroyImage(X11_image);
X11_image = NULL;
image_pixels = NULL;
}
if (image_pixels == NULL)
{
image_pixels = malloc(*height * *width * 4);
memset(image_pixels, 64, *height * *width * 4);
}
if (X11_image == NULL)
{
X11_image = XCreateImage(X11_display, visual, depth,
ZPixmap, 0, image_pixels, *width, *height,
32, 0/**width * 4*/);
if(X11_image == NULL)
{
fprintf(stderr, "XCreateImage failed\n");
exit(1);
}
}
XMapWindow(X11_display, X11_window);
XFlush(X11_display);
}