void after_framedraw_frame_spinbutton_changed(LiVESSpinButton *spinbutton, lives_special_framedraw_rect_t *framedraw) {
// update the single frame/framedraw preview
// after the "frame number" spinbutton has changed
mainw->framedraw_frame=lives_spin_button_get_value_as_int(spinbutton);
if (lives_widget_is_visible(mainw->framedraw_preview)) {
if (mainw->framedraw_preview!=NULL) lives_widget_set_sensitive(mainw->framedraw_preview,FALSE);
lives_widget_context_update();
load_rfx_preview(framedraw->rfx);
} else framedraw_redraw(framedraw, TRUE, NULL);
}
static void start_preview(LiVESButton *button, lives_rfx_t *rfx) {
int i;
char *com;
lives_widget_set_sensitive(mainw->framedraw_preview,FALSE);
lives_widget_context_update();
if (mainw->did_rfx_preview) {
lives_kill_subprocesses(cfile->handle,TRUE);
if (cfile->start==0) {
cfile->start=1;
cfile->end=cfile->frames;
}
do_rfx_cleanup(rfx);
}
com=lives_strdup_printf("%s clear_pre_files \"%s\" 2>%s",prefs->backend_sync,cfile->handle,LIVES_DEVNULL);
lives_system(com,TRUE); // clear any .pre files from before
for (i=0; i<rfx->num_params; i++) {
rfx->params[i].changed=FALSE;
}
mainw->cancelled=CANCEL_NONE;
mainw->error=FALSE;
// within do_effect() we check and if
do_effect(rfx,TRUE); // actually start effect processing in the background
lives_widget_set_sensitive(mainw->framedraw_spinbutton,TRUE);
lives_widget_set_sensitive(mainw->framedraw_scale,TRUE);
if (mainw->framedraw_frame>cfile->start&&!(cfile->start==0&&mainw->framedraw_frame==1))
lives_spin_button_set_value(LIVES_SPIN_BUTTON(mainw->framedraw_spinbutton),cfile->start);
else {
load_rfx_preview(rfx);
}
mainw->did_rfx_preview=TRUE;
}
void framedraw_add_reset(LiVESVBox *box, lives_special_framedraw_rect_t *framedraw) {
LiVESWidget *hbox_rst;
framedraw_add_label(box);
mainw->framedraw_reset = lives_button_new_from_stock(LIVES_STOCK_REFRESH,NULL);
hbox_rst = lives_hbox_new(FALSE, 0);
lives_box_pack_start(LIVES_BOX(box), hbox_rst, FALSE, FALSE, 0);
lives_button_set_label(LIVES_BUTTON(mainw->framedraw_reset),_("_Reset Values"));
lives_button_set_use_underline(LIVES_BUTTON(mainw->framedraw_reset), TRUE);
lives_box_pack_start(LIVES_BOX(hbox_rst), mainw->framedraw_reset, TRUE, FALSE, 0);
lives_widget_set_sensitive(mainw->framedraw_reset,FALSE);
lives_signal_connect(mainw->framedraw_reset, LIVES_WIDGET_CLICKED_SIGNAL,LIVES_GUI_CALLBACK(on_framedraw_reset_clicked),framedraw);
}
void widget_add_framedraw(LiVESVBox *box, int start, int end, boolean add_preview_button, int width, int height) {
// adds the frame draw widget to box
// the redraw button should be connected to an appropriate redraw function
// after calling this function
// an example of this is in 'trim frames'
LiVESWidget *vseparator;
LiVESWidget *vbox;
LiVESWidget *hbox;
LiVESWidget *label;
LiVESAdjustment *spinbutton_adj;
LiVESWidget *frame;
lives_rfx_t *rfx;
double fd_scale;
b1_held=FALSE;
mainw->framedraw_reset=NULL;
vseparator = lives_vseparator_new();
lives_box_pack_start(LIVES_BOX(lives_widget_get_parent(LIVES_WIDGET(box))), vseparator, FALSE, FALSE, 0);
lives_widget_show(vseparator);
vbox = lives_vbox_new(FALSE, 0);
lives_box_pack_start(LIVES_BOX(lives_widget_get_parent(LIVES_WIDGET(box))), vbox, FALSE, FALSE, 0);
lives_container_set_border_width(LIVES_CONTAINER(vbox), widget_opts.border_width);
fd_scale=calc_fd_scale(width,height);
width/=fd_scale;
height/=fd_scale;
hbox = lives_hbox_new(FALSE, 0);
lives_box_pack_start(LIVES_BOX(vbox), hbox, FALSE, FALSE, 0);
fbord_eventbox=lives_event_box_new();
lives_container_set_border_width(LIVES_CONTAINER(fbord_eventbox),widget_opts.border_width);
frame = lives_frame_new(NULL);
lives_box_pack_start(LIVES_BOX(hbox), frame, FALSE, FALSE, 0);
if (palette->style&STYLE_1) {
lives_widget_set_bg_color(fbord_eventbox, LIVES_WIDGET_STATE_NORMAL, &palette->normal_fore);
lives_widget_set_bg_color(frame, LIVES_WIDGET_STATE_NORMAL, &palette->normal_back);
lives_widget_set_fg_color(frame, LIVES_WIDGET_STATE_NORMAL, &palette->normal_fore);
}
mainw->fd_frame=frame;
label = lives_standard_label_new(_("Preview"));
lives_frame_set_label_widget(LIVES_FRAME(frame), label);
lives_frame_set_shadow_type(LIVES_FRAME(frame), LIVES_SHADOW_NONE);
mainw->framedraw=lives_event_box_new();
lives_widget_set_size_request(mainw->framedraw, width, height);
lives_container_set_border_width(LIVES_CONTAINER(mainw->framedraw),1);
lives_widget_set_events(mainw->framedraw, LIVES_BUTTON1_MOTION_MASK | LIVES_BUTTON_RELEASE_MASK |
LIVES_BUTTON_PRESS_MASK| LIVES_ENTER_NOTIFY_MASK | LIVES_LEAVE_NOTIFY_MASK);
mainw->framedraw_frame=start;
lives_container_add(LIVES_CONTAINER(frame), fbord_eventbox);
lives_container_add(LIVES_CONTAINER(fbord_eventbox), mainw->framedraw);
if (palette->style&STYLE_1) {
lives_widget_set_bg_color(mainw->framedraw, LIVES_WIDGET_STATE_NORMAL, &palette->normal_back);
lives_widget_set_fg_color(mainw->framedraw, LIVES_WIDGET_STATE_NORMAL, &palette->normal_fore);
}
lives_signal_connect_after(LIVES_GUI_OBJECT(mainw->framedraw), LIVES_WIDGET_EXPOSE_EVENT,
LIVES_GUI_CALLBACK(expose_fd_event), NULL);
hbox = lives_hbox_new(FALSE, 2);
lives_box_pack_start(LIVES_BOX(vbox), hbox, FALSE, FALSE, 0);
mainw->framedraw_spinbutton = lives_standard_spin_button_new(_("_Frame"),
TRUE,start,start,end,1.,10.,0,LIVES_BOX(hbox),NULL);
spinbutton_adj=lives_spin_button_get_adjustment(LIVES_SPIN_BUTTON(mainw->framedraw_spinbutton));
mainw->framedraw_scale=lives_hscale_new(LIVES_ADJUSTMENT(spinbutton_adj));
lives_box_pack_start(LIVES_BOX(hbox), mainw->framedraw_scale, TRUE, TRUE, 0);
lives_scale_set_draw_value(LIVES_SCALE(mainw->framedraw_scale),FALSE);
rfx=(lives_rfx_t *)lives_widget_object_get_data(LIVES_WIDGET_OBJECT(lives_widget_get_toplevel(LIVES_WIDGET(box))),"rfx");
mainw->framedraw_preview = lives_button_new_from_stock(LIVES_STOCK_REFRESH,_("_Preview"));
lives_box_pack_start(LIVES_BOX(hbox), mainw->framedraw_preview, TRUE, FALSE, 0);
lives_widget_set_sensitive(mainw->framedraw_spinbutton,FALSE);
lives_widget_set_sensitive(mainw->framedraw_scale,FALSE);
lives_signal_connect(mainw->framedraw_preview, LIVES_WIDGET_CLICKED_SIGNAL,LIVES_GUI_CALLBACK(start_preview),rfx);
lives_widget_show_all(vbox);
if (!add_preview_button) {
lives_widget_hide(mainw->framedraw_preview);
}
}
static void start_preview(LiVESButton *button, lives_rfx_t *rfx) {
int i;
char *com;
lives_widget_set_sensitive(mainw->framedraw_preview,FALSE);
lives_widget_context_update();
if (mainw->did_rfx_preview) {
#ifndef IS_MINGW
com=lives_strdup_printf("%s stopsubsub \"%s\" 2>/dev/null",prefs->backend_sync,cfile->handle);
lives_system(com,TRUE); // try to stop any in-progress preview
#else
// get pid from backend
FILE *rfile;
ssize_t rlen;
char val[16];
int pid;
com=lives_strdup_printf("%s get_pid_for_handle \"%s\"",prefs->backend_sync,cfile->handle);
rfile=popen(com,"r");
rlen=fread(val,1,16,rfile);
pclose(rfile);
memset(val+rlen,0,1);
pid=atoi(val);
lives_win32_kill_subprocesses(pid,TRUE);
#endif
lives_free(com);
if (cfile->start==0) {
cfile->start=1;
cfile->end=cfile->frames;
}
do_rfx_cleanup(rfx);
}
#ifndef IS_MINGW
com=lives_strdup_printf("%s clear_pre_files \"%s\" 2>/dev/null",prefs->backend_sync,cfile->handle);
#else
com=lives_strdup_printf("%s clear_pre_files \"%s\" 2>NUL",prefs->backend_sync,cfile->handle);
#endif
lives_system(com,TRUE); // clear any .pre files from before
for (i=0; i<rfx->num_params; i++) {
rfx->params[i].changed=FALSE;
}
mainw->cancelled=CANCEL_NONE;
mainw->error=FALSE;
// within do_effect() we check and if
do_effect(rfx,TRUE); // actually start effect processing in the background
lives_widget_set_sensitive(mainw->framedraw_spinbutton,TRUE);
lives_widget_set_sensitive(mainw->framedraw_scale,TRUE);
if (mainw->framedraw_frame>cfile->start&&!(cfile->start==0&&mainw->framedraw_frame==1))
lives_spin_button_set_value(LIVES_SPIN_BUTTON(mainw->framedraw_spinbutton),cfile->start);
else {
load_rfx_preview(rfx);
}
mainw->did_rfx_preview=TRUE;
}
