double get_vertical_pan_inc()
{
double hs=(double)CURRENT_H(scrollpane);
double ht=(double)CURRENT_H(trimpane);
if(ht<=hs)
return 0.0;
return ((double)get_settings()->vpan)*hs/(100.0*(ht-hs));
}
void update_statusbar()
{
static char statlabel1str[100];
sprintf(statlabel1str,"MadPDF (OK for Menu)");
ewl_label_text_set(EWL_LABEL(statlabel1),statlabel1str);
int curpage,totalpage;
curpage=ewl_pdf_page_get(EWL_PDF(pdfwidget))+1;
totalpage=epdf_document_page_count_get(ewl_pdf_pdf_document_get(EWL_PDF(pdfwidget)));
static char statlabel2str[100];
sprintf(statlabel2str,"pg: %d/%d zoom: %d%% ",curpage,totalpage,(int)round(curscale*100.0));
double hpos,vpos;
int leftarr=0,rightarr=0,downarr=0,uparr=0;
if(CURRENT_W(trimpane)>CURRENT_W(scrollpane))
{
hpos=ewl_scrollpane_hscrollbar_value_get(EWL_SCROLLPANE(scrollpane));
if(hpos>0.0)
{
leftarr=1;
}
if(hpos<1.0)
{
rightarr=1;
}
}
if(CURRENT_H(trimpane)>CURRENT_H(scrollpane))
{
vpos=ewl_scrollpane_vscrollbar_value_get(EWL_SCROLLPANE(scrollpane));
if(vpos>0.0)
{
uparr=1;
}
if(vpos<1.0)
{
downarr=1;
}
}
if(leftarr||rightarr||downarr||uparr)
strcat(statlabel2str,"pan: ");
else
strcat(statlabel2str,"pan: none");
if(leftarr)
strcat(statlabel2str,"←");
if(rightarr)
strcat(statlabel2str,"→");
if(downarr)
strcat(statlabel2str,"↓");
if(uparr)
strcat(statlabel2str,"↑");
ewl_label_text_set(EWL_LABEL(statlabel2),statlabel2str);
}
static EWL_CALLBACK_DEFN(fg_mouse_down)
{
Ewler_Widget *ewler_w = user_data;
Ewl_Embed *embed;
Ewl_Event_Mouse_Down *ev = ev_data;
bool multi;
if( !ewler_w->selectable ||
widget_under_cursor )
return;
widget_under_cursor = true;
ewler_w->mouse.state |= EWLER_WIDGET_MOUSE_DOWN;
ewler_w->mouse.button = ev->button;
ewler_w->mouse.state_x = ev->x;
ewler_w->mouse.state_y = ev->y;
ewler_w->corners.x = CURRENT_X(w);
ewler_w->corners.y = CURRENT_Y(w);
ewler_w->corners.u = CURRENT_X(w) + CURRENT_W(w);
ewler_w->corners.v = CURRENT_Y(w) + CURRENT_H(w);
if( ev->modifiers & (EWL_KEY_MODIFIER_CTRL | EWL_KEY_MODIFIER_SHIFT) )
multi = true;
else
multi = false;
if( ev->button == 1 && multi ) {
form_toggle(ewler_w);
} else if( ev->button == 1 ||
(!multi && !ecore_list_count(form_selected())) ) {
Ecore_List *selected;
selected = form_selected();
if( selected &&
(ecore_list_count(selected) != 1 ||
ecore_list_first_goto(selected) != ewler_w) ) {
form_deselect_all();
form_select(ewler_w);
}
}
IF_FREE(ewler_w->source);
embed = ewl_embed_widget_find(w);
evas_event_feed_mouse_down(embed->evas, ev->button, EVAS_BUTTON_NONE,
0, NULL);
}
static void display_hint(double scroll_amount)
{
if(!scroll_hint) {
Ewl_Embed *emb = ewl_embed_widget_find(pdfwidget);
scroll_hint = evas_object_line_add(emb->canvas);
evas_object_color_set(scroll_hint, 0, 200, 0, 255);
}
int y_coord = round(scroll_amount);
if(y_coord < 0) {
y_coord += CURRENT_H(scrollpane);
}
evas_object_line_xy_set(scroll_hint,
0, y_coord, CURRENT_W(scrollpane), y_coord);
evas_object_show(scroll_hint);
if(hint_timer) { // previously set, did not fire
ecore_timer_del(hint_timer);
}
hint_timer = ecore_timer_add(2.0, hide_hint, NULL);
}
void resize_and_rescale(double scale)
{
int docwidth,docheight;
double docscale;
double ltrimpct=0.0,rtrimpct=0.0;
int sp_inner_w = CURRENT_W(scrollpane) - INSET_HORIZONTAL(scrollpane) -
PADDING_HORIZONTAL(scrollpane);
int sp_inner_h = CURRENT_H(scrollpane) - INSET_VERTICAL(scrollpane) -
PADDING_VERTICAL(scrollpane);
hide_hint(NULL);
page_size_get(&docwidth, &docheight);
int orientation_horizontal;
switch(epdf_page_orientation_get(EWL_PDF(pdfwidget)->pdf_page)) {
case EPDF_PAGE_ORIENTATION_PORTRAIT:
case EPDF_PAGE_ORIENTATION_UPSIDEDOWN:
orientation_horizontal = 0;
break;
case EPDF_PAGE_ORIENTATION_LANDSCAPE:
case EPDF_PAGE_ORIENTATION_SEASCAPE:
orientation_horizontal = 1;
}
if(fitmode==0) {
if(orientation_horizontal)
docscale = ((double)sp_inner_h)/((double)docheight)*scale;
else // orientation vertical
docscale = ((double)sp_inner_w)/((double)docwidth)*scale;
}
else if(fitmode==1)
{
ltrimpct=((double)get_settings()->ltrimpad)/((double)docwidth);
rtrimpct=((double)get_settings()->rtrimpad)/((double)docwidth);
docscale=((double)sp_inner_w)/((1.0-leftmarge+ltrimpct-rightmarge+rtrimpct)*((double)docwidth))*scale;
}
ewl_pdf_scale_set(EWL_PDF(pdfwidget),docscale,docscale);
ewl_object_custom_w_set(EWL_OBJECT(pdfwidget),floor(((double)docwidth)*docscale));
ewl_object_custom_h_set(EWL_OBJECT(pdfwidget),floor(((double)docheight)*docscale));
ewl_widget_configure(pdfwidget);
if(orientation_horizontal) {
ewl_object_custom_w_set(EWL_OBJECT(trimpane),
floor(((double)docwidth)*docscale));
ewl_object_custom_h_set(EWL_OBJECT(trimpane),
floor(((double)sp_inner_h)*scale));
} else {
ewl_object_custom_w_set(EWL_OBJECT(trimpane),
floor(((double)sp_inner_w)*scale));
ewl_object_custom_h_set(EWL_OBJECT(trimpane),
floor(((double)docheight)*docscale));
}
ewl_object_position_request(EWL_OBJECT(trimpane),0,0);
ewl_widget_configure(trimpane);
ewl_widget_configure(scrollpane);
if(fitmode==0)
ewl_scrollpane_hscrollbar_value_set(EWL_SCROLLPANE(trimpane),0.0);
else if(fitmode==1)
ewl_scrollpane_hscrollbar_value_set(EWL_SCROLLPANE(trimpane),(leftmarge-ltrimpct)/(leftmarge-ltrimpct+rightmarge-rtrimpct));
}
void get_vertical_pan_inc(double *rel, double *abs)
{
double hs=(double)CURRENT_H(scrollpane);
double ht=(double)CURRENT_H(trimpane);
pan_inc(ht, hs, rel, abs);
}
