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);
}
void resize_and_rescale(double scale)
{
int docwidth,docheight;
double docscale;
int sp_inner;
double ltrimpct=0.0,rtrimpct=0.0;
//ewl_object_maximum_h_set(EWL_OBJECT(pdfwidget),99999);
//ewl_object_minimum_h_set(EWL_OBJECT(pdfwidget),0);
sp_inner=CURRENT_W(scrollpane)-INSET_HORIZONTAL(scrollpane)-PADDING_HORIZONTAL(scrollpane);
//if(EWL_SCROLLPANE(scrollpane)->vflag)
// sp_inner-=CURRENT_W(EWL_OBJECT(EWL_SCROLLPANE(scrollpane)->vscrollbar));
//ewl_pdf_size_get(EWL_PDF(pdfwidget),&docwidth,&docheight);
epdf_page_size_get (EWL_PDF(pdfwidget)->pdf_page,&docwidth,&docheight);
if(fitmode==0)
docscale=((double)sp_inner)/((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)/((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)sp_inner)*scale));
//ewl_object_custom_w_set(EWL_OBJECT(pdfwidget),floor(((double)sp_inner)*scale));
//ewl_object_custom_h_set(EWL_OBJECT(pdfwidget),floor(((double)docheight)/((double)docwidth)*((double)sp_inner)*scale));
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_object_position_request(EWL_OBJECT(pdfwidget),0,0);
ewl_widget_configure(pdfwidget);
//ewl_object_custom_w_set(EWL_OBJECT(trimpane),floor(((double)docwidth)*docscale));
//ewl_object_custom_h_set(EWL_OBJECT(trimpane),floor(((double)docheight)*docscale));
ewl_object_custom_w_set(EWL_OBJECT(trimpane),floor(((double)sp_inner)*scale));
ewl_object_custom_h_set(EWL_OBJECT(trimpane),floor(((double)docheight)*docscale));
ewl_object_position_request(EWL_OBJECT(trimpane),0,0);
//ewl_object_place(EWL_OBJECT(pdfwidget),0,0,floor(((double)docwidth)*docscale),floor(((double)docheight)*docscale));
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));
}
static void change_orientation(Ewl_Widget *pdfwidget)
{
Epdf_Page_Orientation o = ewl_pdf_orientation_get(EWL_PDF(pdfwidget));
o = EPDF_PAGE_ORIENTATION_LANDSCAPE + EPDF_PAGE_ORIENTATION_PORTRAIT - o;
ewl_pdf_orientation_set(EWL_PDF(pdfwidget), o);
turn_scrollbars(EWL_SCROLLPANE(scrollpane),
2 * (EPDF_PAGE_ORIENTATION_PORTRAIT == o) - 1);
}
int main ( int argc, char ** argv )
{
Ewl_Widget *vbox=NULL;
Ewl_Widget *statbar=NULL;
char *homedir;
char *configfile;
if(argc<2)
return 1;
if ( !ewl_init ( &argc, argv ) )
{
return 1;
}
//setlocale(LC_ALL, "");
//textdomain("elementpdf");
ewl_theme_theme_set(get_theme_file());
homedir=getenv("HOME");
configfile=(char *)calloc(strlen(homedir)+21 + 1, sizeof(char));
strcat(configfile,homedir);
strcat(configfile,"/.madpdf");
if(!file_exists(configfile))
{
mkdir (configfile,S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH);
}
strcat(configfile,"/settings.xml");
load_settings(configfile);
win = ewl_window_new();
ewl_window_title_set ( EWL_WINDOW ( win ), "EWL_WINDOW" );
ewl_window_name_set ( EWL_WINDOW ( win ), "EWL_WINDOW" );
ewl_window_class_set ( EWL_WINDOW ( win ), "EWLWindow" );
ewl_object_size_request ( EWL_OBJECT ( win ), 600, 800 );
ewl_callback_append ( win, EWL_CALLBACK_DELETE_WINDOW, destroy_cb, NULL );
ewl_callback_append(win, EWL_CALLBACK_KEY_DOWN, cb_key_down, NULL);
ewl_widget_name_set(win,"mainwindow");
ewl_widget_show ( win );
vbox=ewl_vbox_new();
ewl_container_child_append(EWL_CONTAINER(win),vbox);
ewl_object_fill_policy_set(EWL_OBJECT(vbox), EWL_FLAG_FILL_FILL);
ewl_widget_show(vbox);
scrollpane=ewl_scrollpane_new();
ewl_container_child_append(EWL_CONTAINER(vbox),scrollpane);
ewl_callback_append(scrollpane,EWL_CALLBACK_REVEAL,cb_scrollpane_revealed,NULL);
ewl_scrollpane_hscrollbar_flag_set(EWL_SCROLLPANE(scrollpane),EWL_SCROLLPANE_FLAG_ALWAYS_HIDDEN);
ewl_scrollpane_vscrollbar_flag_set(EWL_SCROLLPANE(scrollpane),EWL_SCROLLPANE_FLAG_ALWAYS_HIDDEN);
//ewl_object_fill_policy_set(EWL_OBJECT(scrollpane), EWL_FLAG_FILL_FILL);
//ewl_theme_data_str_set(EWL_WIDGET(scrollpane),"/scrollpane/group","ewl/blank");
ewl_widget_show(scrollpane);
trimpane=ewl_scrollpane_new();
ewl_container_child_append(EWL_CONTAINER(scrollpane),trimpane);
ewl_object_alignment_set(EWL_OBJECT(trimpane),EWL_FLAG_ALIGN_LEFT|EWL_FLAG_ALIGN_TOP);
ewl_scrollpane_hscrollbar_flag_set(EWL_SCROLLPANE(trimpane),EWL_SCROLLPANE_FLAG_ALWAYS_HIDDEN);
ewl_scrollpane_vscrollbar_flag_set(EWL_SCROLLPANE(trimpane),EWL_SCROLLPANE_FLAG_ALWAYS_HIDDEN);
//ewl_theme_data_str_set(EWL_WIDGET(trimpane),"/scrollpane/group","ewl/blank");
ewl_widget_show(trimpane);
statbar=ewl_hbox_new();
ewl_container_child_append(EWL_CONTAINER(vbox),statbar);
ewl_theme_data_str_set(EWL_WIDGET(statbar),"/hbox/group","ewl/menu/oi_menu");
ewl_object_fill_policy_set(EWL_OBJECT(statbar),EWL_FLAG_FILL_HFILL|EWL_FLAG_FILL_VSHRINKABLE);
ewl_widget_show(statbar);
statlabel1=ewl_label_new();
//ewl_statusbar_left_append(EWL_STATUSBAR(statbar),statlabel1);
ewl_container_child_append(EWL_CONTAINER(statbar),statlabel1);
ewl_theme_data_str_set(EWL_WIDGET(statlabel1),"/label/group","ewl/oi_statbar_label_left");
ewl_theme_data_str_set(EWL_WIDGET(statlabel1),"/label/textpart","ewl/oi_statbar_label_left/text");
ewl_object_fill_policy_set(EWL_OBJECT(statlabel1),EWL_FLAG_FILL_HSHRINKABLE);
ewl_widget_show(statlabel1);
statlabel2=ewl_label_new();
//ewl_statusbar_right_append(EWL_STATUSBAR(statbar),statlabel2);
ewl_container_child_append(EWL_CONTAINER(statbar),statlabel2);
ewl_theme_data_str_set(EWL_WIDGET(statlabel2),"/label/group","ewl/oi_statbar_label_right");
ewl_theme_data_str_set(EWL_WIDGET(statlabel2),"/label/textpart","ewl/oi_statbar_label_right/text");
ewl_object_fill_policy_set(EWL_OBJECT(statlabel2),EWL_FLAG_FILL_HFILL);
ewl_widget_show(statlabel2);
pdfwidget = ewl_pdf_new();
ewl_pdf_file_set (EWL_PDF (pdfwidget), argv[1]);
ewl_container_child_append(EWL_CONTAINER(trimpane),pdfwidget);
ewl_object_alignment_set(EWL_OBJECT(pdfwidget),EWL_FLAG_ALIGN_LEFT|EWL_FLAG_ALIGN_TOP);
ewl_widget_name_set(pdfwidget,"pdfwidget");
ewl_callback_append (pdfwidget, EWL_CALLBACK_CONFIGURE, cb_pdfwidget_resized, NULL );
ewl_widget_show (pdfwidget);
//set up menu
menu=ewl_context_menu_new();
ewl_callback_append(menu, EWL_CALLBACK_KEY_DOWN, cb_menu_key_down, NULL);
ewl_theme_data_str_set(EWL_WIDGET(menu),"/menu/group","ewl/menu/oi_menu");
ewl_context_menu_attach(EWL_CONTEXT_MENU(menu), statbar);
Ewl_Widget *temp=ewl_menu_new();
ewl_container_child_append(EWL_CONTAINER(menu),temp);
ewl_widget_name_set(temp,"menuitem1");
ewl_button_label_set(EWL_BUTTON(temp),"1. Go to page...");
ewl_widget_show(temp);
goto_entry=ewl_entry_new();
ewl_container_child_append(EWL_CONTAINER(temp),goto_entry);
ewl_object_custom_w_set(EWL_OBJECT(goto_entry),50);
ewl_callback_append(goto_entry, EWL_CALLBACK_KEY_DOWN, cb_goto_key_down, NULL);
ewl_widget_show(goto_entry);
temp=ewl_menu_item_new();
ewl_widget_name_set(temp,"menuitem2");
ewl_container_child_append(EWL_CONTAINER(menu),temp);
ewl_button_label_set(EWL_BUTTON(temp),"2. Preferences...");
ewl_widget_show(temp);
ewl_main();
save_settings(configfile);
free(configfile);
free_settings();
return 0;
}
void cb_key_down(Ewl_Widget *w, void *ev, void *data)
{
Ewl_Widget *curwidget;
Ewl_Event_Key_Down *e;
e = (Ewl_Event_Key_Down*)ev;
int k = translate_key(e);
curwidget=ewl_widget_name_find("pdfwidget");
switch(k)
{
case 0:
ewl_pdf_page_next(EWL_PDF(curwidget));
resize_and_rescale(curscale);
fprintf(stderr,"l:%d; r:%d; t:%d; b:%d\n",get_left_margin(),get_right_margin(),get_top_margin(),get_bottom_margin());
//update_statusbar();
break;
case 9:
ewl_pdf_page_previous(EWL_PDF(curwidget));
resize_and_rescale(curscale);
//update_statusbar();
break;
case 8:
curscale+=((double)get_settings()->zoominc)/100.0;
resize_and_rescale(curscale);
//update_statusbar();
break;
case 7:
curscale-=((double)get_settings()->zoominc)/100.0;
resize_and_rescale(curscale);
//update_statusbar();
break;
/*case 6:
if(ewl_pdf_orientation_get(EWL_PDF(curwidget))==EPDF_PAGE_ORIENTATION_LANDSCAPE)
ewl_pdf_orientation_set(EWL_PDF(curwidget),EPDF_PAGE_ORIENTATION_PORTRAIT);
else
ewl_pdf_orientation_set(EWL_PDF(curwidget),EPDF_PAGE_ORIENTATION_LANDSCAPE);
resize_and_rescale(curscale);
//update_statusbar();
break;*/
case 1:
move_hscrollbar(EWL_SCROLLPANE(scrollpane), -get_horizontal_pan_inc());
break;
case 2:
move_hscrollbar(EWL_SCROLLPANE(scrollpane), get_horizontal_pan_inc());
break;
case 3:
move_vscrollbar(EWL_SCROLLPANE(scrollpane), get_vertical_pan_inc());
break;
case 4:
move_vscrollbar(EWL_SCROLLPANE(scrollpane), -get_vertical_pan_inc());
break;
case 5:
if(fitmode==0)
fitmode=1;
else if(fitmode==1)
fitmode=0;
calculate_margins();
resize_and_rescale(curscale);
break;
case K_RETURN:
ewl_widget_show(menu);
ewl_widget_focus_send(menu);
break;
case K_ESCAPE:
ewl_main_quit();
break;
default:
return;
}
}
void cb_key_down(Ewl_Widget *w, void *ev, void *data)
{
Ewl_Widget *curwidget;
Ewl_Event_Key_Down *e;
e = (Ewl_Event_Key_Down*)ev;
int k = translate_key(e);
curwidget=ewl_widget_name_find("pdfwidget");
switch(k)
{
case 0:
ewl_pdf_page_next(EWL_PDF(curwidget));
resize_and_rescale(curscale);
break;
case 9:
ewl_pdf_page_previous(EWL_PDF(curwidget));
resize_and_rescale(curscale);
break;
case 8:
curscale+=((double)get_settings()->zoominc)/100.0;
resize_and_rescale(curscale);
break;
case 7:
curscale-=((double)get_settings()->zoominc)/100.0;
resize_and_rescale(curscale);
break;
case 6:
change_orientation(curwidget);
resize_and_rescale(curscale);
break;
case 1:
move_hscrollbar(EWL_SCROLLPANE(scrollpane), -1);
break;
case 2:
move_hscrollbar(EWL_SCROLLPANE(scrollpane), 1);
break;
case 3:
move_vscrollbar(EWL_SCROLLPANE(scrollpane), 1);
break;
case 4:
move_vscrollbar(EWL_SCROLLPANE(scrollpane), -1);
break;
case 5:
if(fitmode==0)
fitmode=1;
else if(fitmode==1)
fitmode=0;
calculate_margins();
resize_and_rescale(curscale);
break;
case K_RETURN:
ewl_widget_show(menu);
ewl_widget_focus_send(menu);
break;
case K_ESCAPE:
ewl_main_quit();
break;
default:
return;
}
}
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));
}
