void verify_page(fz_context *ctx, pdf_document *doc, int n, pdf_page *page)
{
pdf_widget *widget;
for (widget = pdf_first_widget(ctx, page); widget; widget = pdf_next_widget(ctx, widget))
if (pdf_widget_type(ctx, widget) == PDF_WIDGET_TYPE_SIGNATURE)
verify_signature(ctx, doc, n, widget);
}
void verify_page(fz_context *ctx, pdf_document *doc, int n, pdf_page *page)
{
pdf_annot *annot;
for (annot = pdf_first_annot(ctx, page); annot; annot = pdf_next_annot(ctx, annot))
if (pdf_annot_type(ctx, annot) == PDF_ANNOT_WIDGET)
if (pdf_widget_type(ctx, annot) == PDF_WIDGET_TYPE_SIGNATURE)
verify_signature(ctx, doc, n, annot);
}
void do_widget_canvas(fz_irect canvas_area)
{
pdf_widget *widget;
fz_rect bounds;
fz_irect area;
if (!pdf)
return;
for (widget = pdf_first_widget(ctx, page); widget; widget = pdf_next_widget(ctx, widget))
{
bounds = pdf_bound_widget(ctx, widget);
bounds = fz_transform_rect(bounds, view_page_ctm);
area = fz_irect_from_rect(bounds);
if (ui_mouse_inside(&canvas_area) && ui_mouse_inside(&area))
{
if (!widget->is_hot)
pdf_annot_event_enter(ctx, widget);
widget->is_hot = 1;
ui.hot = widget;
if (!ui.active && ui.down)
{
ui.active = widget;
pdf_annot_event_down(ctx, widget);
if (selected_annot != widget)
{
if (selected_annot && pdf_annot_type(ctx, selected_annot) == PDF_ANNOT_WIDGET)
pdf_annot_event_blur(ctx, selected_annot);
selected_annot = widget;
pdf_annot_event_focus(ctx, widget);
}
}
}
else
{
if (widget->is_hot)
pdf_annot_event_exit(ctx, widget);
widget->is_hot = 0;
}
/* Set is_hot and is_active to select current appearance */
widget->is_active = (ui.active == widget && ui.down);
if (showform)
{
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glColor4f(0, 0, 1, 0.1f);
glRectf(area.x0, area.y0, area.x1, area.y1);
glDisable(GL_BLEND);
}
if (ui.active == widget || (!ui.active && ui.hot == widget))
{
glLineStipple(1, 0xAAAA);
glEnable(GL_LINE_STIPPLE);
glBlendFunc(GL_ONE_MINUS_DST_COLOR, GL_ZERO);
glEnable(GL_BLEND);
glColor4f(1, 1, 1, 1);
glBegin(GL_LINE_LOOP);
glVertex2f(area.x0-0.5f, area.y0-0.5f);
glVertex2f(area.x1+0.5f, area.y0-0.5f);
glVertex2f(area.x1+0.5f, area.y1+0.5f);
glVertex2f(area.x0-0.5f, area.y1+0.5f);
glEnd();
glDisable(GL_BLEND);
glDisable(GL_LINE_STIPPLE);
}
if (ui.hot == widget && ui.active == widget && !ui.down)
{
pdf_annot_event_up(ctx, widget);
if (pdf_field_flags(ctx, widget->obj) & PDF_FIELD_IS_READ_ONLY)
continue;
switch (pdf_widget_type(ctx, widget))
{
default:
break;
case PDF_WIDGET_TYPE_CHECKBOX:
case PDF_WIDGET_TYPE_RADIOBUTTON:
pdf_toggle_widget(ctx, widget);
break;
case PDF_WIDGET_TYPE_TEXT:
show_tx_dialog(widget);
break;
case PDF_WIDGET_TYPE_COMBOBOX:
case PDF_WIDGET_TYPE_LISTBOX:
ui.dialog = ch_dialog;
ch_widget = widget;
break;
case PDF_WIDGET_TYPE_SIGNATURE:
show_sig_dialog(widget);
break;
}
}
}
if (pdf_update_page(ctx, page))
render_page();
}
