diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/events.c | 60 | ||||
| -rw-r--r-- | src/options.h | 2 | 
2 files changed, 62 insertions, 0 deletions
| diff --git a/src/events.c b/src/events.c index dcd1aa1..fadae9b 100644 --- a/src/events.c +++ b/src/events.c @@ -152,6 +152,10 @@ void init_buttonbindings(void)  			cur_bb = &buttons.blur;  		else if (!strcmp(action, "rotate"))  			cur_bb = &buttons.rotate; +		else if (!strcmp(action, "zoom_in")) +			cur_bb = &buttons.zoom_in; +		else if (!strcmp(action, "zoom_out")) +			cur_bb = &buttons.zoom_out;  		else  			weprintf("buttons: Invalid action: %s", action); @@ -246,6 +250,62 @@ static void feh_event_handle_ButtonPress(XEvent * ev)  		winwid->im_click_offset_y = (winwid->click_offset_y  				- winwid->im_y) / winwid->old_zoom; +	} else if (feh_is_bb(&buttons.zoom_in, button, state)) { +		D(("Zoom_In Button Press event\n")); +		D(("click offset is %d,%d\n", ev->xbutton.x, ev->xbutton.y)); +		winwid->click_offset_x = ev->xbutton.x; +		winwid->click_offset_y = ev->xbutton.y; +		winwid->old_zoom = winwid->zoom; + +		/* required to adjust the image position in zoom mode */ +		winwid->im_click_offset_x = (winwid->click_offset_x +				- winwid->im_x) / winwid->old_zoom; +		winwid->im_click_offset_y = (winwid->click_offset_y +				- winwid->im_y) / winwid->old_zoom; + +		/* copied from zoom_in, keyevents.c */ +		winwid->zoom = winwid->zoom * 1.25; + +		if (winwid->zoom > ZOOM_MAX) +			winwid->zoom = ZOOM_MAX; + +		/* copied from below (ZOOM, feh_event_handle_MotionNotify) */ +		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_sanitise_offsets(winwid); +		winwidget_render_image(winwid, 0, 0); + +	} else if (feh_is_bb(&buttons.zoom_out, button, state)) { +		D(("Zoom_Out Button Press event\n")); +		D(("click offset is %d,%d\n", ev->xbutton.x, ev->xbutton.y)); +		winwid->click_offset_x = ev->xbutton.x; +		winwid->click_offset_y = ev->xbutton.y; +		winwid->old_zoom = winwid->zoom; + +		/* required to adjust the image position in zoom mode */ +		winwid->im_click_offset_x = (winwid->click_offset_x +				- winwid->im_x) / winwid->old_zoom; +		winwid->im_click_offset_y = (winwid->click_offset_y +				- winwid->im_y) / winwid->old_zoom; + +		/* copied from zoom_out, keyevents.c */ +		winwid->zoom = winwid->zoom * 0.80; + +		if (winwid->zoom < ZOOM_MIN) +			winwid->zoom = ZOOM_MIN; + +		/* copied from below (ZOOM, feh_event_handle_MotionNotify) */ +		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_sanitise_offsets(winwid); +		winwidget_render_image(winwid, 0, 0); +  	} else if (feh_is_bb(&buttons.reload, button, state)) {  		D(("Reload Button Press event\n"));  			feh_reload_image(winwid, 0, 1); diff --git a/src/options.h b/src/options.h index f3f49eb..27d3d38 100644 --- a/src/options.h +++ b/src/options.h @@ -207,6 +207,8 @@ struct __fehbb {  	struct __fehbutton menu;  	struct __fehbutton blur;  	struct __fehbutton rotate; +	struct __fehbutton zoom_in; +	struct __fehbutton zoom_out;  };  void init_parse_options(int argc, char **argv); | 
