initial import

master
Sebastian Reichel 2009-12-18 22:48:12 +01:00
commit 7cdbd0cf4e
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src/pdf-presenter
src/*.c
*.swp

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Makefile Normal file
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all:
cd src ; make all
clean:
cd src ; make clean
install:
cd src ; make install
.PHONY: all clean install

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README Normal file
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pdf-presenter is an advanved pdf presentation utility. It is
supposed to be used in an environment with multiple monitors
(e.g. a notebook monitor and a projector). These must be in
non cloning mode. If you have such a system and you want
to display your PDF presentation you will probably like
this program.

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* Configuration Window
- Fullscreen Option for Control Window [checkbutton]
- Auto Transition [checkbutton]
- Monitor Selection Control [combobox]
- Monitor Selection Presentation [combobox]
- Keybindings
* Add Notes Mode
* Add Slide Overview Mode
* Use Monitor Class
* Improved Build System

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/*
* pdf-presenter - advanced pdf presentation util
*
* Copyright (C) 2009 Sebastian Reichel <sre@ring0.de>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
using Gtk;
using Cairo;
class ControlToolbar : Toolbar {
private ToolButton prev;
private Entry entry;
private ToolButton next;
private ToolButton notes;
private ToolButton slides;
private Label curr_time;
private Label pres_time;
private ToolButton config;
private int page = 1;
private int pages = 0;
private int timestamp1 = 0;
private int timestamp2 = 0;
public signal void clicked(string button);
public signal void page_changed(int page);
public ControlToolbar(int n_pages) {
/* Toolbar Configuration */
set_show_arrow(false);
pages = n_pages;
/* Init Toolbar Elements */
prev = new ToolButton.from_stock(STOCK_GO_BACK);
entry = new Entry();
entry.set_width_chars(3);
next = new ToolButton.from_stock(STOCK_GO_FORWARD);
notes = new ToolButton.from_stock(STOCK_FILE);
notes.set_label("Notes");
slides = new ToolButton.from_stock(STOCK_DIALOG_INFO);
slides.set_label("Slides");
config = new ToolButton.from_stock(STOCK_PREFERENCES);
curr_time = new Label("Time");
pres_time = new Label("Duration");
pres_time.set_markup("<b>Duration</b>");
var separator1 = new SeparatorToolItem();
var separator2 = new SeparatorToolItem();
var entry_container = new ToolItem();
entry_container.add(entry);
var vbox_container = new ToolItem();
var vbox = new VBox(false, 0);
vbox.add(curr_time);
vbox.add(pres_time);
vbox_container.add(vbox);
/* Fill Toolbar */
add(prev);
add(entry_container);
add(next);
add(notes);
add(slides);
add(separator1);
add(vbox_container);
add(separator2);
add(config);
update_toolbar();
/* we don't want focus on a button */
entry.grab_focus();
/* update clock */
Timeout.add_seconds(1,update_time);
timestamp2 = (int) time_t();
update_time();
/* bind button signals */
next.clicked.connect(() => {clicked("next");});
prev.clicked.connect(() => {clicked("previous");});
config.clicked.connect(() => {clicked("config");});
this.clicked.connect(button_handler);
entry.key_press_event.connect(entry_handler);
}
bool entry_handler(Gdk.EventKey event) {
if(event.keyval == Gdk.keyval_from_name("Return")) {
int new_page = entry.get_text().to_int();
if(page < 1) page = 1;
if(page > pages) page = pages;
set_page(new_page);
page_changed(new_page-1);
return true;
}
if(event.keyval < '0' || event.keyval > '9' && event.keyval != Gdk.keyval_from_name("BackSpace")) {
return true;
}
return false;
}
void button_handler(string btn) {
if(btn == "next")
set_page(page+1);
if(btn == "previous")
set_page(page-1);
page_changed(page-1);
}
string int2time(int timestamp, bool local=false) {
Time t;
if(local)
t = Time.local((time_t) timestamp);
else
t = Time.gm((time_t) timestamp);
return "%02d:%02d:%02d".printf(t.hour, t.minute, t.second);
}
private bool update_time() {
timestamp1++;
timestamp2++;
pres_time.set_markup("<b>"+int2time(timestamp1)+"</b>");
curr_time.set_text(int2time(timestamp2,true));
return true;
}
private void update_toolbar() {
if(page <= 1) prev.set_sensitive(false);
else prev.set_sensitive(true);
if(page >= pages) next.set_sensitive(false);
else next.set_sensitive(true);
entry.set_text("%d".printf(page));
}
public void set_page(int n) {
page = n;
update_toolbar();
}
}
class ControlView : DrawingArea {
Poppler.Document document;
int page = 0;
int pages = 0;
int window_w;
int window_h;
public ControlView (Poppler.Document doc) {
document = doc;
pages = document.get_n_pages();
this.expose_event.connect(draw_view);
}
public void set_page(int n) {
page = n;
redraw();
}
public void redraw() {
unowned Gdk.Region r = this.window.get_clip_region();
this.window.invalidate_region(r, true);
this.window.process_updates(true);
}
public bool draw_view(Widget w, Gdk.EventExpose e) {
var ctx = Gdk.cairo_create(w.window);
int width = current_slide(ctx, w.window);
int height = small_slide(ctx, w.window, width, 0, "Next Slide", page+1);
small_slide(ctx, w.window, width, height, "Previous Slide", page-1);
return true;
}
/* returns the width of the box */
public int current_slide(Context ctx, Gdk.Window w) {
var ctx2 = Gdk.cairo_create(w);
var poppler_page = document.get_page(page);
int width, height;
double width2, height2;
poppler_page.get_size(out width2, out height2);
width = (int) width2;
height = (int) height2;
get_parent_window().get_size(out window_w, out window_h);
double wf = (window_w * 11/20) / width2;
double hf = (window_h * 7/10) / height2;
double faktor = wf > hf ? hf : wf;
ctx2.translate(27,25+14+2);
ctx2.scale(faktor, faktor);
poppler_page.render(ctx2);
ctx.set_source_surface(ctx2.get_target(), 0, 0);
ctx.stroke();
SlideBox(ctx, "Current Slide (%d of %d)".printf(page+1, pages), 25, 25, (int) (width*faktor), (int) (height*faktor));
ctx.stroke();
return (int) (width*faktor)+25;
}
public int small_slide(Context ctx, Gdk.Window win, int x_diff, int y_diff, string msg, int n) {
int x = x_diff + 25; // 25px right of the last item
int y = y_diff + 25; // 25px below of the last item
int w,h;
get_parent_window().get_size(out w, out h);
w -= x + 25; // 25px from the right window border
if((n > page && n < pages) || (n < page && n >= 0)) {
var ctx2 = Gdk.cairo_create(win);
var poppler_page = document.get_page(n);
int width, height;
double width2, height2;
poppler_page.get_size(out width2, out height2);
width = (int) width2;
height = (int) height2;
double wf = (w) / width2;
double hf = (h/2-50-28) / height2;
double faktor = wf > hf ? hf : wf;
ctx2.translate(x+2,y+14+2);
ctx2.scale(faktor, faktor);
poppler_page.render(ctx2);
ctx.set_source_surface(ctx2.get_target(), 0, 0);
ctx.stroke();
SlideBox(ctx, msg, x, y, (int) (width*faktor), (int) (height*faktor));
ctx.stroke();
return (int) (height*faktor)+25+14;
} else {
/* No Slide */
}
return 0;
}
public void cairo_write(Context ctx, int x, int y, string text) {
ctx.move_to(x,y);
ctx.show_text(text);
}
public void SlideBox(Context ctx, string msg, int x, int y, int w, int h) {
ctx.set_source_rgb(0, 0, 0);
ctx.set_line_width(4);
ctx.set_tolerance(0.1);
ctx.set_line_join(LineJoin.ROUND);
ctx.translate(x, y);
ctx.new_path();
ctx.select_font_face("", FontSlant.NORMAL, FontWeight.BOLD);
ctx.set_font_size(14.0);
cairo_write(ctx, 0, 0, msg);
ctx.translate(0, 14);
ctx.move_to (0, 0);
ctx.rel_line_to (w+3, 0);
ctx.rel_line_to (0, h+3);
ctx.rel_line_to (-w-3, 0);
ctx.close_path ();
ctx.translate(-x, -y-14);
}
}
class ControlWindow : Window {
public void button_clicked(string btn) {
if(btn != "next" && btn != "previous")
message("%s clicked!", btn);
}
public signal void page_changed(int page);
public ControlWindow(Poppler.Document document) {
this.title = "PDF Presentator (Control)";
this.position = WindowPosition.CENTER;
this.destroy.connect(Gtk.main_quit);
set_default_size(800, 600);
var vbox = new VBox(false, 0);
var drawingarea = new ControlView(document);
var aspect = new AspectFrame("Control Bar", (float) 0.5, (float) 1.0, (float) 0.5, true);
var toolbar = new ControlToolbar(document.get_n_pages());
aspect.add(toolbar);
vbox.pack_start(drawingarea, true, true, 0);
vbox.pack_start(aspect, false, true, 0);
add(vbox);
toolbar.clicked.connect(button_clicked);
toolbar.page_changed.connect(drawingarea.set_page);
toolbar.page_changed.connect((n) => {page_changed(n);});
}
}

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/*
* pdf-presenter - advanced pdf presentation util
*
* Copyright (C) 2009 Sebastian Reichel <sre@ring0.de>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
using Gtk;
class ErrorDialog : Dialog {
public ErrorDialog(string title, string message) {
var label = new Label(message);
var hbox = new HBox(false, 0);
var img = new Image.from_stock(STOCK_DIALOG_ERROR, IconSize.DIALOG);
hbox.pack_start(img, false, true, 10);
hbox.pack_start(label, false, true, 10);
this.set_icon_name("gtk-dialog-error");
this.title = title;
this.vbox.pack_start(hbox, false, true, 10);
this.add_button (STOCK_CLOSE, ResponseType.CLOSE);
this.destroy.connect(Gtk.main_quit);
this.response.connect(Gtk.main_quit);
this.show_all();
}
}

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PREFIX:=
BINARY:=pdf-presenter
all: $(BINARY)
$(BINARY): *.vala
valac -o $(BINARY) --pkg gtk+-2.0 --pkg poppler-glib *.vala
clean:
rm -f $(BINARY)
install: $(BINARY)
install -m 755 $(BINARY) $(PREFIX)/usr/bin/$(BINARY)
.PHONY: all clean install

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/*
* pdf-presenter - advanced pdf presentation util
*
* Copyright (C) 2009 Sebastian Reichel <sre@ring0.de>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
class Monitor {
Gdk.Screen screen;
string[] monitors;
signal void connected(string name);
signal void disconnected(string name);
public Monitor(Gdk.Screen scr) {
screen = scr;
monitors = get_list();
screen.monitors_changed.connect(on_monitor_changed);
}
private string[] get_list() {
string[] output = {};
for(int i=0; i<screen.get_n_monitors(); i++)
output += screen.get_monitor_plug_name(i);
return output;
}
public string[] get_all() {
return monitors;
}
public void get_size(string monitor, out int x, out int y, out int w, out int h) {
for(int i=0; i<screen.get_n_monitors(); i++) {
Gdk.Rectangle rect;
screen.get_monitor_geometry(i, out rect);
if(screen.get_monitor_plug_name(i) == monitor) {
x = rect.x;
y = rect.y;
w = rect.width;
h = rect.height;
return;
}
}
}
void on_monitor_changed() {
string[] new_monitors;
new_monitors = get_list();
if(monitors.length == new_monitors.length)
return;
if(monitors.length < new_monitors.length) {
foreach(string a in new_monitors) {
bool found=false;
foreach(string b in monitors) {
if(a == b) {
found=true;
break;
}
}
if(!found) {
monitors = new_monitors;
connected(a);
return;
}
}
} else {
foreach(string a in monitors) {
bool found=false;
foreach(string b in new_monitors) {
if(a == b) {
found=true;
break;
}
}
if(!found) {
monitors = new_monitors;
disconnected(a);
return;
}
}
}
}
}

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/*
* pdf-presenter - advanced pdf presentation util
*
* Copyright (C) 2009 Sebastian Reichel <sre@ring0.de>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
using Gtk;
class PresentationView : DrawingArea {
Poppler.Document doc;
int page;
public PresentationView(Poppler.Document document, int n) {
doc = document;
page = n;
this.expose_event.connect(draw_view);
}
public void redraw() {
unowned Gdk.Region r = this.window.get_clip_region();
this.window.invalidate_region(r, true);
this.window.process_updates(true);
}
public void set_page(int n) {
page = n;
redraw();
}
public bool draw_view(Widget w, Gdk.EventExpose e) {
int ww = 0, wh = 0;
int x = 0, y = 0;
var ctx = Gdk.cairo_create(w.window);
var poppler_page = doc.get_page(page);
/* get window size */
get_parent_window().get_size(out ww, out wh);
/* get document size */
double width2, height2;
poppler_page.get_size(out width2, out height2);
/* calculate faktor */
double wf = ww / width2;
double hf = wh / height2;
double faktor = wf > hf ? hf : wf;
/* center image */
int width = (int) (faktor*width2);
int height = (int) (faktor*height2);
if(ww > width)
x = (ww-width)/2;
if(wh > height)
y = (wh-height)/2;
ctx.translate(x,y);
/* scale page */
ctx.scale(faktor, faktor);
/* draw page */
poppler_page.render(ctx);
ctx.stroke();
/* black background */
ctx.translate(-x,-y);
ctx.set_source_rgb(0, 0, 0);
if(x > 0) {
ctx.rectangle(0, 0, x, (int)height2+1);
ctx.fill();
ctx.rectangle(x+(int)width2, 0, x, (int)height2+1);
ctx.fill();
}
if(y > 0) {
ctx.rectangle(0, 0, (int)width2+1, y);
ctx.fill();
ctx.rectangle(0, y+(int)height2, (int)width2+1, y);
ctx.fill();
}
return true;
}
}
class PresentationWindow : Window {
private PresentationView view;
public PresentationWindow(Poppler.Document doc, int page) {
title = "PDF Presentator (View)";
position = WindowPosition.CENTER;
view = new PresentationView(doc, page);
add(view);
fullscreen();
/* FIXME: fullscreen, correct display */
set_default_size(800,600);
return;
}
public void set_page(int n) {
view.set_page(n);
}
}

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/*
* pdf-presenter - advanced pdf presentation util
*
* Copyright (C) 2009 Sebastian Reichel <sre@ring0.de>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
int main(string[] args) {
/* FIXME: use first parameter */
string filename;
Poppler.Document document = null;
Gtk.init(ref args);
if(args.length != 2) {
new ErrorDialog("Wrong Usage", "Usage: %s <file>".printf(args[0]));
Gtk.main();
return 1;
}
filename = args[1];
try {
filename = Filename.to_uri(filename);
document = new Poppler.Document.from_file(filename, "");
} catch(GLib.ConvertError e) {
new ErrorDialog("This is not a correct filename", "Please specify a valid filename.");
Gtk.main();
return 1;
} catch(GLib.Error e) {
new ErrorDialog("File not found", e.message);
Gtk.main();
return 1;
}
/* Monitor class can be used like this
Gdk.Display dp = Gdk.Display.get_default();
Gdk.Screen screen = dp.get_screen(0);
Monitor m = new Monitor(screen);
m.connected.connect(add_display);
m.disconnected.connect(del_display);
foreach(string s in m.get_all()) {
int x,y,w,h;
m.get_size(s, out x, out y, out w, out h);
debug("%s: [%d/%d] [%d/%d]",s,x,y,w,h);
}
*/
var control_window = new ControlWindow(document);
control_window.show_all();
/* uncomment to get presentation window
var presentation_window = new PresentationWindow(document, 0);
presentation_window.show_all();
control_window.page_changed.connect((n) => {presentation_window.set_page(n);});
*/
Gtk.main();
return 0;
}