示例#1
0
文件: menu.c 项目: talisein/feh
feh_menu *feh_menu_new(void)
{
	feh_menu *m;
	XSetWindowAttributes attr;
	feh_menu_list *l;
	static Imlib_Image bg = NULL;
	static Imlib_Border border;

	m = (feh_menu *) emalloc(sizeof(feh_menu));

	attr.backing_store = NotUseful;
	attr.override_redirect = True;
	attr.colormap = cm;
	attr.border_pixel = 0;
	attr.background_pixmap = None;
	attr.save_under = False;
	attr.do_not_propagate_mask = True;

	m->win = XCreateWindow(
			disp, root, 1, 1, 1, 1, 0, depth, InputOutput, vis,
			CWOverrideRedirect | CWSaveUnder | CWBackingStore
			| CWColormap | CWBackPixmap | CWBorderPixel | CWDontPropagate, &attr);
	XSelectInput(disp, m->win,
			ButtonPressMask | ButtonReleaseMask | EnterWindowMask
			| LeaveWindowMask | PointerMotionMask | ButtonMotionMask);

	m->name = NULL;
	m->fehwin = NULL;
	m->pmap = 0;
	m->x = 0;
	m->y = 0;
	m->w = 0;
	m->h = 0;
	m->visible = 0;
	m->items = NULL;
	m->next = NULL;
	m->prev = NULL;
	m->updates = NULL;
	m->needs_redraw = 1;
	m->func_free = NULL;
	m->data = NULL;
	m->calc = 0;
	m->bg = NULL;

	l = emalloc(sizeof(feh_menu_list));
	l->menu = m;
	l->next = menus;
	menus = l;

	if (!bg) {
		feh_load_image_char(&bg, opt.menu_bg);
		if (bg) {
			border.left = border.right = border.top = border.bottom
				= 4;
			imlib_context_set_image(bg);
			imlib_image_set_border(&border);
		}
	}

	if (bg)
		m->bg = gib_imlib_clone_image(bg);

	return(m);
}
示例#2
0
文件: events.c 项目: BlackLight/feh
static void feh_event_handle_MotionNotify(XEvent * ev)
{
	winwidget winwid = NULL;
	int dx, dy;
	int scr_width, scr_height;

	scr_width = scr->width;
	scr_height = scr->height;
#ifdef HAVE_LIBXINERAMA
	if (opt.xinerama && xinerama_screens) {
		scr_width = xinerama_screens[xinerama_screen].width;
		scr_height = xinerama_screens[xinerama_screen].height;
	}
#endif				/* HAVE_LIBXINERAMA */

	if (menu_root) {
		feh_menu *m;
		feh_menu_item *selected_item, *mouseover_item;

		D(("motion notify with menus open\n"));
		while (XCheckTypedWindowEvent(disp, ev->xmotion.window, MotionNotify, ev));

		if (ev->xmotion.window == menu_cover) {
			return;
		} else if ((m = feh_menu_get_from_window(ev->xmotion.window))) {
			selected_item = feh_menu_find_selected(m);
			mouseover_item = feh_menu_find_at_xy(m, ev->xmotion.x, ev->xmotion.y);

			if (selected_item != mouseover_item) {
				D(("selecting a menu item\n"));
				if (selected_item)
					feh_menu_deselect_selected(m);
				if ((mouseover_item)
						&& ((mouseover_item->action)
							|| (mouseover_item->submenu)
							|| (mouseover_item->func_gen_sub)))
					feh_menu_select(m, mouseover_item);
			}
			/* check if we are close to the right and/or the bottom edge of the
			 * screen. If so, and if the menu we are currently over is partially
			 * hidden, slide the menu to the left and/or up until it is
			 * fully visible */

			/* FIXME: get this working nicely with xinerama screen edges --
			 * at the moment it does really funky stuff with
			 * scr_{width,height} instead of scr->{width,height} -- pabs*/
			if (mouseover_item
					&& ((scr->width - (ev->xmotion.x + m->x)) <
						m->w || (scr->height - (ev->xmotion.y + m->y)) < m->w)) {
				dx = scr_width - (m->x + m->w);
				dy = scr_height - (m->y + m->h);
				dx = dx < 0 ? dx : 0;
				dy = dy < 0 ? dy : 0;
				if (dx || dy)
					feh_menu_slide_all_menus_relative(dx, dy);
			}
			/* if a submenu is open we want to see that also */
			if (mouseover_item && m->next && ((scr->width - (ev->xmotion.x + m->next->x))
						< m->next->w
						|| (scr->height -
							(ev->xmotion.y + m->next->y)) < m->next->w)) {
				dx = scr->width - (m->next->x + m->next->w);
				dy = scr->height - (m->next->y + m->next->h);
				dx = dx < 0 ? dx : 0;
				dy = dy < 0 ? dy : 0;
				if (dx || dy)
					feh_menu_slide_all_menus_relative(dx, dy);
			}
		}
	} else if (opt.mode == MODE_ZOOM) {
		while (XCheckTypedWindowEvent(disp, ev->xmotion.window, MotionNotify, ev));

		winwid = winwidget_get_from_window(ev->xmotion.window);
		if (winwid) {
			if (ev->xmotion.x > winwid->click_offset_x)
				winwid->zoom = winwid->old_zoom + (
						((double) ev->xmotion.x - (double) winwid->click_offset_x)
						/ 128.0);
			else
				winwid->zoom = winwid->old_zoom - (
						((double) winwid->click_offset_x - (double) ev->xmotion.x)
						/ 128.0);

			if (winwid->zoom < ZOOM_MIN)
				winwid->zoom = ZOOM_MIN;
			else if (winwid->zoom > ZOOM_MAX)
				winwid->zoom = ZOOM_MAX;

			/* center around click_offset */
			winwid->im_x = winwid->click_offset_x
					- (winwid->im_click_offset_x * winwid->zoom);
			winwid->im_y = winwid->click_offset_y
					- (winwid->im_click_offset_y * winwid->zoom);

			winwidget_render_image(winwid, 0, 1);
		}
	} else if ((opt.mode == MODE_PAN) || (opt.mode == MODE_NEXT)) {
		int orig_x, orig_y;

		while (XCheckTypedWindowEvent(disp, ev->xmotion.window, MotionNotify, ev));
		winwid = winwidget_get_from_window(ev->xmotion.window);
		if (winwid) {
			if (opt.mode == MODE_NEXT) {
				if ((abs(winwid->click_offset_x - (ev->xmotion.x - winwid->im_x)) > FEH_JITTER_OFFSET)
						|| (abs(winwid->click_offset_y - (ev->xmotion.y - winwid->im_y)) > FEH_JITTER_OFFSET)
						|| (time(NULL) - winwid->click_start_time > FEH_JITTER_TIME)) {
					opt.mode = MODE_PAN;
					winwid->mode = MODE_PAN;
				}
				else
					return;
			}
			D(("Panning\n"));
			orig_x = winwid->im_x;
			orig_y = winwid->im_y;

			winwid->im_x = ev->xmotion.x - winwid->click_offset_x;
			winwid->im_y = ev->xmotion.y - winwid->click_offset_y;

			winwidget_sanitise_offsets(winwid);

			D(("im_x %d, im_w %d, off %d, mx %d, my %d\n", winwid->im_x,
				winwid->im_w, winwid->click_offset_x, ev->xmotion.x,
				ev->xmotion.y));

			/* XWarpPointer generates a MotionNotify event which we will
			 * parse. Since that event would undo the effect of the pointer
			 * warp, we need to change the click_offset to compensate this.
			 */
			if ((winwid->w - ev->xmotion.x <= 1) && (winwid->im_x < 0))
			{
				XWarpPointer(disp, None, winwid->win, 0, 0, 0, 0, 3,
					ev->xmotion.y);
				winwid->click_offset_x -= winwid->w - 4;
			}
			// TODO needlessly warps for certain zoom levels
			else if ((ev->xmotion.x <= 1) && (winwid->im_x >
					(winwid->w - winwid->im_w * winwid->zoom)))
			{
				XWarpPointer(disp, None, winwid->win, 0, 0, 0, 0,
					winwid->w - 4, ev->xmotion.y);
				winwid->click_offset_x += winwid->w - 4;
			}
			else if ((winwid->h - ev->xmotion.y <= 1)
					&& (winwid->im_y < 0))
			{
				XWarpPointer(disp, None, winwid->win, 0, 0, 0, 0,
					ev->xmotion.x, 3);
				winwid->click_offset_y -= winwid->h - 4;
			}
			// TODO needlessly warps for certain zoomlevels
			else if ((ev->xmotion.y <= 1) && (winwid->im_y >
					(winwid->h - winwid->im_h * winwid->zoom)))
			{
				XWarpPointer(disp, None, winwid->win, 0, 0, 0, 0,
					ev->xmotion.x, winwid->h - 4);
				winwid->click_offset_y += winwid->h - 4;
			}

			if ((winwid->im_x != orig_x)
					|| (winwid->im_y != orig_y))
				winwidget_render_image(winwid, 0, 1);
		}
	} else if (opt.mode == MODE_ROTATE) {
		while (XCheckTypedWindowEvent(disp, ev->xmotion.window, MotionNotify, ev));
		winwid = winwidget_get_from_window(ev->xmotion.window);
		if (winwid) {
			D(("Rotating\n"));
			if (!winwid->has_rotated) {
				Imlib_Image temp;

				temp = gib_imlib_create_rotated_image(winwid->im, 0.0);
				winwid->im_w = gib_imlib_image_get_width(temp);
				winwid->im_h = gib_imlib_image_get_height(temp);
				gib_imlib_free_image_and_decache(temp);
				if (!winwid->full_screen && !opt.geom_flags)
					winwidget_resize(winwid, winwid->im_w, winwid->im_h);
				winwid->has_rotated = 1;
			}
			winwid->im_angle = (ev->xmotion.x - winwid->w / 2) / ((double) winwid->w / 2) * 3.1415926535;
			D(("angle: %f\n", winwid->im_angle));
			winwidget_render_image(winwid, 0, 1);
		}
	} else if (opt.mode == MODE_BLUR) {
		while (XCheckTypedWindowEvent(disp, ev->xmotion.window, MotionNotify, ev));
		winwid = winwidget_get_from_window(ev->xmotion.window);
		if (winwid) {
			Imlib_Image temp, ptr;
			signed int blur_radius;

			D(("Blurring\n"));

			temp = gib_imlib_clone_image(winwid->im);
			blur_radius = (((double) ev->xmotion.x / winwid->w) * 20) - 10;
			D(("angle: %d\n", blur_radius));
			if (blur_radius > 0)
				gib_imlib_image_sharpen(temp, blur_radius);
			else
				gib_imlib_image_blur(temp, 0 - blur_radius);
			ptr = winwid->im;
			winwid->im = temp;
			winwidget_render_image(winwid, 0, 1);
			gib_imlib_free_image_and_decache(winwid->im);
			winwid->im = ptr;
		}
	} else {
		while (XCheckTypedWindowEvent(disp, ev->xmotion.window, MotionNotify, ev));
		winwid = winwidget_get_from_window(ev->xmotion.window);
		if ((winwid != NULL) && (winwid->type == WIN_TYPE_THUMBNAIL)) {
			feh_thumbnail *thumbnail;
			int x, y;

			x = (ev->xbutton.x - winwid->im_x) / winwid->zoom;
			y = (ev->xbutton.y - winwid->im_y) / winwid->zoom;
			thumbnail = feh_thumbnail_get_thumbnail_from_coords(x, y);
			feh_thumbnail_select(winwid, thumbnail);
		}
	}
	return;
}