static void tx_dialog(void)
{
int ff = pdf_field_flags(ctx, tx_widget->obj);
const char *label = pdf_field_label(ctx, tx_widget->obj);
int tx_h = (ff & PDF_TX_FIELD_IS_MULTILINE) ? 10 : 1;
int lbl_h = ui_break_lines((char*)label, NULL, 20, 394, NULL);
int is;
ui_dialog_begin(400, (ui.gridsize+4)*3 + ui.lineheight*(tx_h+lbl_h-2));
{
ui_layout(T, X, NW, 2, 2);
ui_label("%s", label);
is = ui_input(&tx_input, 200, tx_h);
ui_layout(B, X, NW, 2, 2);
ui_panel_begin(0, ui.gridsize, 0, 0, 0);
{
ui_layout(R, NONE, S, 0, 0);
if (ui_button("Cancel") || (!ui.focus && ui.key == KEY_ESCAPE))
ui.dialog = NULL;
ui_spacer();
if (ui_button("Okay") || is == UI_INPUT_ACCEPT)
{
pdf_set_text_field_value(ctx, tx_widget, tx_input.text);
if (pdf_update_page(ctx, tx_widget->page))
render_page();
ui.dialog = NULL;
}
}
ui_panel_end();
}
ui_dialog_end();
}
static void do_forms(float xofs, float yofs)
{
pdf_ui_event event;
fz_point p;
int i;
for (i = 0; i < annot_count; ++i)
ui_draw_image(&annot_tex[i], xofs - page_tex.x, yofs - page_tex.y);
if (!pdf || search_active)
return;
p.x = xofs - page_tex.x + ui.x;
p.y = xofs - page_tex.x + ui.y;
fz_transform_point(&p, &page_inv_ctm);
if (ui.down && !ui.active)
{
event.etype = PDF_EVENT_TYPE_POINTER;
event.event.pointer.pt = p;
event.event.pointer.ptype = PDF_POINTER_DOWN;
if (pdf_pass_event(ctx, pdf, (pdf_page*)page, &event))
{
if (pdf->focus)
ui.active = do_forms;
pdf_update_page(ctx, (pdf_page*)page);
render_page();
ui_needs_update = 1;
}
}
else if (ui.active == do_forms && !ui.down)
{
ui.active = NULL;
event.etype = PDF_EVENT_TYPE_POINTER;
event.event.pointer.pt = p;
event.event.pointer.ptype = PDF_POINTER_UP;
if (pdf_pass_event(ctx, pdf, (pdf_page*)page, &event))
{
pdf_update_page(ctx, (pdf_page*)page);
render_page();
ui_needs_update = 1;
}
}
}
static void ch_dialog(void)
{
const char *label;
const char *value;
const char **options;
int n, choice;
int label_h;
label = pdf_field_label(ctx, ch_widget->obj);
label_h = ui_break_lines((char*)label, NULL, 20, 394, NULL);
n = pdf_choice_widget_options(ctx, ch_widget->page->doc, ch_widget, 0, NULL);
options = fz_malloc_array(ctx, n, sizeof(char*));
pdf_choice_widget_options(ctx, ch_widget->page->doc, ch_widget, 0, options);
value = pdf_field_value(ctx, ch_widget->obj);
ui_dialog_begin(400, (ui.gridsize+4)*3 + ui.lineheight*(label_h-1));
{
ui_layout(T, X, NW, 2, 2);
ui_label("%s", label);
choice = ui_select("Widget/Ch", value, options, n);
if (choice >= 0)
pdf_set_choice_field_value(ctx, ch_widget, options[choice]);
ui_layout(B, X, NW, 2, 2);
ui_panel_begin(0, ui.gridsize, 0, 0, 0);
{
ui_layout(R, NONE, S, 0, 0);
if (ui_button("Cancel") || (!ui.focus && ui.key == KEY_ESCAPE))
ui.dialog = NULL;
ui_spacer();
if (ui_button("Okay"))
{
if (pdf_update_page(ctx, ch_widget->page))
render_page();
ui.dialog = NULL;
}
}
ui_panel_end();
}
ui_dialog_end();
fz_free(ctx, options);
}
static void do_sign(void)
{
pdf_pkcs7_signer *signer = NULL;
fz_var(signer);
fz_try(ctx)
{
signer = pkcs7_openssl_read_pfx(ctx, cert_filename, cert_password.text);
pdf_sign_signature(ctx, pdf, sig_widget, signer);
ui_show_warning_dialog("Signed document successfully.");
}
fz_always(ctx)
{
if (signer)
signer->drop(signer);
}
fz_catch(ctx)
ui_show_warning_dialog("%s", fz_caught_message(ctx));
if (pdf_update_page(ctx, sig_widget->page))
render_page();
}
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();
}
void fz_update_page(fz_interactive *idoc, fz_page *page)
{
pdf_update_page((pdf_document*)idoc, (pdf_page*)page);
}
