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authorIan Jauslin <ian.jauslin@roma1.infn.it>2015-06-07 15:28:16 +0000
committerIan Jauslin <ian.jauslin@roma1.infn.it>2015-06-07 15:28:16 +0000
commitb68e15a811359f8c7ab6f239cd5e8bf36e854f0e (patch)
tree36f1255651737aa942d50c6ef9be1219266a1404
Initial commitHEADv2.0.2master
-rw-r--r--GPL3674
-rw-r--r--INSTALL42
-rw-r--r--LGPL3165
-rw-r--r--LICENSE202
-rw-r--r--Makefile51
-rw-r--r--NOTICE13
-rw-r--r--man/pdfPresentation.177
-rw-r--r--slidelist.sty25
-rw-r--r--src/config.cpp115
-rw-r--r--src/config.h50
-rw-r--r--src/main.cpp30
-rw-r--r--src/mainwindow.cpp413
-rw-r--r--src/mainwindow.h126
-rw-r--r--src/mainwindow.ui40
-rw-r--r--src/pdfPresentation2.pro34
-rw-r--r--src/pdfWindow.cpp139
-rw-r--r--src/pdfWindow.h68
-rw-r--r--src/secondarywindow.ui39
18 files changed, 2303 insertions, 0 deletions
diff --git a/GPL3 b/GPL3
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--- /dev/null
+++ b/GPL3
@@ -0,0 +1,674 @@
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+ THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+ 16. Limitation of Liability.
+
+ IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+ 17. Interpretation of Sections 15 and 16.
+
+ If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+ If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+ <program> Copyright (C) <year> <name of author>
+ This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License. Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+ You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+ The GNU General Public License does not permit incorporating your program
+into proprietary programs. If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library. If this is what you want to do, use the GNU Lesser General
+Public License instead of this License. But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/INSTALL b/INSTALL
new file mode 100644
index 0000000..0911794
--- /dev/null
+++ b/INSTALL
@@ -0,0 +1,42 @@
+################################################################################
+## ##
+## Compiling and installing pdfPresentation on Linux. ##
+## ##
+################################################################################
+
+* Requirements:
+ Qt 4.x
+ poppler-qt4
+
+* Compiling:
+ Run
+ make
+
+ The default paths can be modified by passing the appropriate arguments to
+ make, as specified in the following table
+ qmake-qt4 : QMAKE=/usr/bin/qmake-qt4
+ GNU make : MAKE=/usr/bin/make
+ include : INCLUDE=/usr/include
+ lib paths : LIB=-L/usr/libs
+
+ For example, if poppler is installed in /usr/local and qmake is located at
+ /usr/local/bin/qmake-qt4.8, then run
+ make QMAKE=/usr/local/bin/qmake-qt4.8 INCLUDE=/usr/local/include LIBS=-L/usr/local/libs
+
+
+* Installing:
+ Run
+ make install
+
+ The default install prefix (/usr) can be changed by changing the PREFIX
+ variable.
+
+ For example
+ make install PREFIX=/usr/local
+
+
+* Comments on portability:
+ Since pdfPresentation is written using the Qt toolchain, it should be easy to
+ port it to other platforms that support Qt and poppler, though this has not
+ been tested.
+
diff --git a/LGPL3 b/LGPL3
new file mode 100644
index 0000000..65c5ca8
--- /dev/null
+++ b/LGPL3
@@ -0,0 +1,165 @@
+ GNU LESSER GENERAL PUBLIC LICENSE
+ Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+
+ This version of the GNU Lesser General Public License incorporates
+the terms and conditions of version 3 of the GNU General Public
+License, supplemented by the additional permissions listed below.
+
+ 0. Additional Definitions.
+
+ As used herein, "this License" refers to version 3 of the GNU Lesser
+General Public License, and the "GNU GPL" refers to version 3 of the GNU
+General Public License.
+
+ "The Library" refers to a covered work governed by this License,
+other than an Application or a Combined Work as defined below.
+
+ An "Application" is any work that makes use of an interface provided
+by the Library, but which is not otherwise based on the Library.
+Defining a subclass of a class defined by the Library is deemed a mode
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+ A "Combined Work" is a work produced by combining or linking an
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+based on the Application, and not on the Linked Version.
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+ The "Corresponding Application Code" for a Combined Work means the
+object code and/or source code for the Application, including any data
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+Application, but excluding the System Libraries of the Combined Work.
+
+ 1. Exception to Section 3 of the GNU GPL.
+
+ You may convey a covered work under sections 3 and 4 of this License
+without being bound by section 3 of the GNU GPL.
+
+ 2. Conveying Modified Versions.
+
+ If you modify a copy of the Library, and, in your modifications, a
+facility refers to a function or data to be supplied by an Application
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+
+ a) under this License, provided that you make a good faith effort to
+ ensure that, in the event an Application does not supply the
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+
+ b) under the GNU GPL, with none of the additional permissions of
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+ 3. Object Code Incorporating Material from Library Header Files.
+
+ The object code form of an Application may incorporate material from
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+ a) Give prominent notice with each copy of the object code that the
+ Library is used in it and that the Library and its use are
+ covered by this License.
+
+ b) Accompany the object code with a copy of the GNU GPL and this license
+ document.
+
+ 4. Combined Works.
+
+ You may convey a Combined Work under terms of your choice that,
+taken together, effectively do not restrict modification of the
+portions of the Library contained in the Combined Work and reverse
+engineering for debugging such modifications, if you also do each of
+the following:
+
+ a) Give prominent notice with each copy of the Combined Work that
+ the Library is used in it and that the Library and its use are
+ covered by this License.
+
+ b) Accompany the Combined Work with a copy of the GNU GPL and this license
+ document.
+
+ c) For a Combined Work that displays copyright notices during
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+ these notices, as well as a reference directing the user to the
+ copies of the GNU GPL and this license document.
+
+ d) Do one of the following:
+
+ 0) Convey the Minimal Corresponding Source under the terms of this
+ License, and the Corresponding Application Code in a form
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+ a copy of the Library already present on the user's computer
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+ Version.
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+ e) Provide Installation Information, but only if you would otherwise
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+ GNU GPL, and only to the extent that such information is
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+ 5. Combined Libraries.
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+ You may place library facilities that are a work based on the
+Library side by side in a single library together with other library
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+choice, if you do both of the following:
+
+ a) Accompany the combined library with a copy of the same work based
+ on the Library, uncombined with any other library facilities,
+ conveyed under the terms of this License.
+
+ b) Give prominent notice with the combined library that part of it
+ is a work based on the Library, and explaining where to find the
+ accompanying uncombined form of the same work.
+
+ 6. Revised Versions of the GNU Lesser General Public License.
+
+ The Free Software Foundation may publish revised and/or new versions
+of the GNU Lesser General Public License from time to time. Such new
+versions will be similar in spirit to the present version, but may
+differ in detail to address new problems or concerns.
+
+ Each version is given a distinguishing version number. If the
+Library as you received it specifies that a certain numbered version
+of the GNU Lesser General Public License "or any later version"
+applies to it, you have the option of following the terms and
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+received it does not specify a version number of the GNU Lesser
+General Public License, you may choose any version of the GNU Lesser
+General Public License ever published by the Free Software Foundation.
+
+ If the Library as you received it specifies that a proxy can decide
+whether future versions of the GNU Lesser General Public License shall
+apply, that proxy's public statement of acceptance of any version is
+permanent authorization for you to choose that version for the
+Library.
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..d645695
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,202 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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+ "License" shall mean the terms and conditions for use, reproduction,
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+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
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+ "Contribution" shall mean any work of authorship, including
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+ communication on electronic mailing lists, source code control systems,
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+ "Contributor" shall mean Licensor and any individual or Legal Entity
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+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
+ that You distribute, all copyright, patent, trademark, and
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+ wherever such third-party notices normally appear. The contents
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+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
+ as modifying the License.
+
+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
+
+ 9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
+ License. However, in accepting such obligations, You may act only
+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
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+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
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+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..52df076
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,51 @@
+## Copyright 2015 Ian Jauslin
+##
+## Licensed under the Apache License, Version 2.0 (the "License");
+## you may not use this file except in compliance with the License.
+## You may obtain a copy of the License at
+##
+## http://www.apache.org/licenses/LICENSE-2.0
+##
+## Unless required by applicable law or agreed to in writing, software
+## distributed under the License is distributed on an "AS IS" BASIS,
+## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+## See the License for the specific language governing permissions and
+## limitations under the License.
+
+
+# installation dirs
+PREFIX=/usr
+BINDIR=$(PREFIX)/bin
+MANDIR=$(PREFIX)/share/man/man1
+
+# bins
+QMAKE=/usr/bin/qmake-qt4
+MAKE=/usr/bin/make
+
+# directories
+BUILDDIR=./build
+SRCDIR=./src
+
+# path to built executable
+EXEC=$(SRCDIR)/build/pdfPresentation
+
+# change EXEC on os x
+SYSTEM_TYPE=$(shell uname)
+ifeq ($(SYSTEM_TYPE),Darwin)
+ EXEC=$(SRCDIR)/build/pdfPresentation.app/Contents/MacOS/pdfPresentation
+endif
+
+all:
+ cd $(SRCDIR); $(QMAKE) "INCLUDEPATH+=$(INCLUDEDIR)" "LIBS+=$(LIBDIR)"; $(MAKE)
+ mkdir -p $(BUILDDIR)
+ mv $(EXEC) $(BUILDDIR)/
+
+install: all
+ mkdir -p $(BINDIR) $(MANDIR)
+ install -Dm755 $(BUILDDIR)/pdfPresentation $(BINDIR)/
+ install -Dm644 man/pdfPresentation.1 $(MANDIR)/
+ gzip $(MANDIR)/pdfPresentation.1
+
+clean:
+ rm -rf $(SRCDIR)/*.o $(SRCDIR)/Makefile $(SRCDIR)/build $(BUILDDIR)
+
diff --git a/NOTICE b/NOTICE
new file mode 100644
index 0000000..7d5d2ba
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1,13 @@
+pdfPresentation
+Copyright 2015 Ian Jauslin
+
+This project makes use of the Qt toolchain, maintained and copyright by
+the Qt Company, and licensed under the GNU Lesser General Public
+License (LGPL) version 3 (see LGPL3 for a copy of the license). See
+ http://www.qt.io/
+for details.
+
+The PDF format is parsed using the poppler library, licensed under the
+GNU General Public License (GPL) version 3 (see GPL3 for a copy of the
+license). The original software is available from
+ http://poppler.freedesktop.org/
diff --git a/man/pdfPresentation.1 b/man/pdfPresentation.1
new file mode 100644
index 0000000..e8d599c
--- /dev/null
+++ b/man/pdfPresentation.1
@@ -0,0 +1,77 @@
+.Dd $Mdocdate: April 13 2015 $
+.Dt pdfPresentation 2.0.2
+.Os
+.Sh NAME
+.Nm pdfPresentation
+.Nd Displays PDF presentations on multiple screens
+.Sh SYNOPSIS
+.Nm
+[-t
+.Sx duration
+] [-s
+.Sx slidelist
+]
+.Sx pdf_file
+.Sh DESCRIPTION
+.Nm
+displays presentations written in the PDF format.
+.Pp
+.Nm
+is meant to be used with two screens, one of which is shown to the audience (called the projector), and the other is to be seen by the speaker alone (called the monitor).
+.Pp
+.Nm
+opens a window on both the projector and the monitor. The window on the projector is automatically set to fullscreen mode, and only displays the PDF file, one page at a time. The window on the monitor can be fullscreen or not, and displays the PDF file as well as a progress bar which indicates how much time has elapsed since the beginning of the presentation and how much is left. In addition, the monitor displays the page following the one on the projector, so that the speaker can anticipate the next page that will be shown to the audience.
+.Sh COMMAND-LINE ARGUMENTS
+.Bl -tag -width Ds
+.It Fl t Ar duration
+The total duration of the presentation in minutes (defaults to 15 minutes).
+.It Fl s Ar slidelist
+In some cases, the page number may not match the slide number (for example if the presentation was written using the "beamer" LaTeX class with overlays (i.e. with '\\onslide' or '\\only' commands)). In order to be able to scroll through the presentation one slide at a time (instead of one page at a time), a file called the 'slidelist' can be passed to
+.Nm
+via this option. The slidelist should contain the page number of each slide, separated by a newline character.
+.Pp
+For beamer presentations, the slidelist can be generated automatically during compilation by redefining the '\\begin{frame}' command to write the page number to a file (see the 'slidelist.sty' file shipped with the source code)
+.El
+.Sh KEYSTROKES
+.Nm
+recognizes the following keystrokes (as of version 2.0.2, the only way of customizing keystrokes is to edit the source file 'mainwindow.cpp' and change the 'MainWindow::keyPressEvent' method)
+.Bl -tag -width Ds
+.It Sy right arrow
+next page
+.It Sy left arrow
+previous page
+.It Sy down arrow
+next slide (if a slidelist was specified on the command line)
+.It Sy up arrow
+previous slide (if a slidelist was specified on the command line)
+.It Sy f
+make monitor window fullscreen
+.It Sy s
+start/stop timer
+.It Sy r
+reset timer
+.It Sy t
+show/hide timer progress bar
+.It Sy x
+exchange monitor and projector (useful if
+.Nm
+has mistaken the computer screen for the projector screen)
+.It Sy q
+quit
+.El
+.Sh LICENSE
+.Nm
+is licensed under the apache 2.0 license, see
+.Pp
+.D1 http://www.apache.org/licenses/LICENSE-2.0
+.Pp
+for details.
+.Pp
+.Nm
+uses the Qt toolchain, which is licensed under the GNU Lesser General Public License version 3, and is linked against the poppler library which is licensed under the GNU General Public License version 3. Both licenses are provided with the source code.
+.Sh AUTHORS
+.Nm
+was written by Ian Jauslin
+.Pp
+.Pp
+.Sy copyright 2015 Ian Jauslin
diff --git a/slidelist.sty b/slidelist.sty
new file mode 100644
index 0000000..e22c410
--- /dev/null
+++ b/slidelist.sty
@@ -0,0 +1,25 @@
+%% open slidelist file
+\AtBeginDocument{
+ \newwrite\slidelist
+ \immediate\openout\slidelist=slidelist.txt
+}
+%% close file
+\AtEndDocument{
+ \immediate\closeout\slidelist
+}
+
+%% redefine \begin{frame}
+\let\oldframe\frame
+% tmp counter
+\newcount\slidecount
+\def\frame{
+ % the actual page number should be 1 less than \thepage
+ \slidecount=\thepage
+ \advance\slidecount by-1
+ % only write if the page number is positive
+ \ifnum\the\slidecount>0
+ \immediate\write\slidelist{\thepage}
+ \fi
+ \oldframe
+}
+
diff --git a/src/config.cpp b/src/config.cpp
new file mode 100644
index 0000000..60e3345
--- /dev/null
+++ b/src/config.cpp
@@ -0,0 +1,115 @@
+/*
+Copyright 2015 Ian Jauslin
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+#include "config.h"
+
+#define READMODE_DEFAULT 0
+#define READMODE_TIME 1
+#define READMODE_SLIDELIST 2
+
+// constructor
+Config::Config(int argc,char* argv[]){
+ // defaults
+ loadDefaults();
+ // CLI options
+ readconf(argc,argv);
+}
+
+// default values
+void Config::loadDefaults(){
+ document_path='\0';
+ presentation_time=15;
+ slidelist_path='\0';
+}
+
+// read CLI options
+void Config::readconf(int argc,char* argv[]){
+ int i;
+ // mode specifier (e.g. reading duration?)
+ int mode=READMODE_DEFAULT;
+ // loop over arguments
+ for(i=1;i<argc;i++){
+ // the i=th argument
+ char* arg=argv[i];
+ // behavior depends on mode
+ switch(mode){
+ // default mode
+ case READMODE_DEFAULT:
+ // - means flagging options should follow
+ if(arg[0]=='-'){
+ // loop over flags following -
+ for(arg++;*arg!='\0';arg++){
+ switch (*arg){
+ // duration flag
+ case 't':
+ //go into duration reading mode (next argument should be the duration)
+ mode=READMODE_TIME;
+ break;
+ // slidelist flag
+ case 's':
+ //go into slidelist reading mode
+ mode=READMODE_SLIDELIST;
+ }
+ }
+ }
+ else{
+ // if the argument does not start with -, then it must denote the path to the PDF file
+ document_path=arg;
+ }
+ break;
+ // read duration mode
+ case READMODE_TIME:
+ //check that the argument is an integer
+ if(check_int(arg)){
+ sscanf(arg,"%d",&presentation_time);
+ }
+ else{
+ printf("syntax error: received argument '-t %s' when -t must be followed by an integer\n",arg);
+ }
+ // back to default mode for next argument
+ mode=READMODE_DEFAULT;
+ break;
+
+ // read slidelist mode
+ case READMODE_SLIDELIST:
+ slidelist_path=arg;
+ // back to default mode for next argument
+ mode=READMODE_DEFAULT;
+ }
+ }
+}
+
+// display configuration options
+void Config::showconf(){
+ printf("document: %s\n",document_path);
+ printf("presentation duration: %d\n",presentation_time);
+ printf("slidelist: %s\n",slidelist_path);
+}
+
+// check whether a string is an integer
+bool Config::check_int(char* string){
+ // yes?
+ bool ret=1;
+ for(;*string!='\0';string++){
+ // is the character a digit?
+ ret=ret && isdigit(*string);
+ }
+ return(ret);
+}
+
+// empty destructor
+Config::~Config(){
+}
diff --git a/src/config.h b/src/config.h
new file mode 100644
index 0000000..4b7bd07
--- /dev/null
+++ b/src/config.h
@@ -0,0 +1,50 @@
+/*
+Copyright 2015 Ian Jauslin
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#include <stdio.h>
+#include <cctype>
+
+// configuration object (holds options)
+class Config
+{
+ public:
+ // duration of the presentation
+ int presentation_time;
+ // document path
+ char* document_path;
+ // path to slidelist
+ char* slidelist_path;
+
+ // constructor
+ Config(int argc, char* argv[]);
+ // display current options
+ void showconf();
+ // destructor
+ ~Config();
+
+ private:
+ // default values
+ void loadDefaults();
+ // read CLI options
+ void readconf(int argc, char* argv[]);
+ // check whether a string is an integer
+ bool check_int(char* string);
+};
+
+#endif // CONFIG_H
diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..337ae71
--- /dev/null
+++ b/src/main.cpp
@@ -0,0 +1,30 @@
+/*
+Copyright 2015 Ian Jauslin
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+#include "mainwindow.h"
+#include "config.h"
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+ QApplication a(argc, argv);
+ Config* config=new Config(argc,argv);
+ MainWindow w;
+ w.setConfig(config);
+ w.show();
+
+ return a.exec();
+}
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
new file mode 100644
index 0000000..60d51f5
--- /dev/null
+++ b/src/mainwindow.cpp
@@ -0,0 +1,413 @@
+/*
+Copyright 2015 Ian Jauslin
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+#include "ui_secondarywindow.h"
+
+//constructor
+MainWindow::MainWindow(QWidget *parent):
+ pdfWindow(parent),
+ ui(new Ui::MainWindow)
+{
+ //in order to catch arrow keys
+ QApplication::instance()->installEventFilter(this);
+
+ // reads ui_mainwindow.h
+ ui->setupUi(this);
+ // hard coded ui specs
+ this->loadUi();
+}
+
+// load global configuration object
+void MainWindow::setConfig(Config* config){
+ // initialize constants
+ pres_time_step=0;
+ secondaryWindow=NULL;
+ timebar=NULL;
+
+ conf=config;
+ if(conf->document_path=='\0'){
+ std::cout << "error: no document loaded\n";
+ return;
+ }
+ this->setDoc(conf->document_path);
+ this->readSlidelist(conf->slidelist_path);
+ // secondaryScreen must be called after setDoc
+ this->secondaryScreen();
+}
+
+// read list of frame numbers
+void MainWindow::readSlidelist(char* path){
+ // if file has been spcified
+ if(path!='\0'){
+ // list as a vector of integers
+ slidelist=QVector<int>(100,-1);
+ QFile file(path);
+ file.open(QIODevice::ReadOnly | QIODevice::Text);
+ int i=0;
+ // number read
+ int slidenum;
+ while (!file.atEnd()) {
+ const char* line = file.readLine().constData();
+ // if line is an integer
+ if(check_int(line)){
+ sscanf(line,"%d",&slidenum);
+ slidelist[i]=slidenum;
+ i++;
+ }
+ }
+ // resize slidelist to its actual size
+ slidelist.resize(i);
+ }
+}
+
+// check whether a string is an integer
+bool MainWindow::check_int(const char* string){
+ // yes?
+ bool ret=1;
+ for(;*string!='\n';string++){
+ // is the character a digit?
+ ret=ret && isdigit(*string);
+ }
+ return(ret);
+}
+
+
+// setup secondary screen
+void MainWindow::secondaryScreen(){
+ // desktop manager information
+ QDesktopWidget* desktop=QApplication::desktop();
+ const int nrscreens=desktop->screenCount();
+ if(nrscreens>=2){
+ // screen indices
+ nrMainScreen=(int)desktop->primaryScreen();
+ nrSecScreen=nrMainScreen+1%nrscreens;
+
+ if(secondaryWindow){delete secondaryWindow;}
+ secondaryWindow=new SecondaryWindow(this);
+ secondaryWindow->show();
+ secondaryWindow->setDoc(doc);
+
+ moveToScreen(this,nrMainScreen,desktop);
+ moveToScreen(secondaryWindow,nrSecScreen,desktop);
+ secondaryWindow->fullscreenPDF();
+
+ this->showhideTimeBar();
+ }
+}
+
+// exchange role of screens
+void MainWindow::exchangeScreens(){
+ if(secondaryWindow){
+ // desktop manager information
+ QDesktopWidget* desktop=QApplication::desktop();
+ // was the main window fullscreen? (the secondary one necessarily was)
+ bool wasFullscreen=0;
+ if(this->isFullScreen()){
+ wasFullscreen=1;
+ // no fullscreen when moving
+ this->showNormal();
+ }
+ secondaryWindow->showNormal();
+ moveToScreen(this,nrSecScreen,desktop);
+ moveToScreen(secondaryWindow,nrMainScreen,desktop);
+ if(wasFullscreen){
+ // workaround: if called immediately, the desktop manager makes the window fullscreen on the wrong screen
+ QTimer::singleShot(10, this, SLOT(showFullScreen()));
+ // this->showFullScreen();
+ }
+ // workaround: if called immediately, the desktop manager makes the window fullscreen on the wrong screen
+ QTimer::singleShot(10, secondaryWindow, SLOT(showFullScreen()));
+ // secondaryWindow->showFullScreen();
+ //exchange the indices
+ int tmp=nrMainScreen;
+ nrMainScreen=nrSecScreen;
+ nrSecScreen=tmp;
+ }
+}
+
+// next PDF page with offset for secondary screen
+void MainWindow::nextPage(){
+ // should this be here?
+ // secondaryWindow->showFullScreen();
+ this->pdfWindow::nextPage();
+ if(secondaryWindow){
+ if(curpage<totalpages-1 || secondaryWindow->curpage<totalpages-2){
+ secondaryWindow->gotoPage(curpage-1);
+ }
+ else{
+ secondaryWindow->gotoPage(curpage);
+ }
+ }
+}
+// previous PDF page with offset for secondary screen
+void MainWindow::previousPage(){
+ if(!secondaryWindow || secondaryWindow->curpage<totalpages-1){
+ this->pdfWindow::previousPage();
+ }
+ if(secondaryWindow){
+ if(curpage>0){
+ secondaryWindow->gotoPage(curpage-1);
+ }
+ else{
+ secondaryWindow->gotoPage(curpage);
+ }
+ }
+}
+// go to page on secondary screen +1 page on main screen
+void MainWindow::gotoPage(int page){
+ if(!secondaryWindow){
+ this->pdfWindow::gotoPage(page);
+ }
+ else if (page<totalpages-1){
+ this->pdfWindow::gotoPage(page+1);
+ secondaryWindow->gotoPage(page);
+ }
+ else{
+ this->pdfWindow::gotoPage(totalpages);
+ secondaryWindow->gotoPage(totalpages);
+ }
+}
+
+void MainWindow::nextSlide(){
+ int i;
+ for(i=0;i<slidelist.size();i++){
+ if(slidelist.at(i)>secondaryWindow->curpage+1){
+ this->gotoPage(slidelist.at(i)-1);
+ break;
+ }
+ }
+}
+void MainWindow::previousSlide(){
+ int i;
+ int size=slidelist.size();
+ for(i=0;i<size;i++){
+ if(slidelist.at(size-i-1)<secondaryWindow->curpage+1){
+ this->gotoPage(slidelist.at(size-i-1)-1);
+ break;
+ }
+ }
+}
+
+
+// show/hide time bar
+void MainWindow::showhideTimeBar(){
+ if(timebar){
+ // remove timebar
+ ui->centralWidget->layout()->removeWidget(timebar);
+ delete timebar;
+ timebar=NULL;
+ // so that the view covers the entire height
+ this->verticalOffset=0;
+ this->updatePDF();
+ }
+ else{
+ timebar=new TimeIndicator();
+ // initial time
+ timebar->setTime(pres_time_step,conf->presentation_time*60);
+ // add to window
+ ui->centralWidget->layout()->addWidget(timebar);
+ // so that the view leaves room for the bar
+ this->verticalOffset=timebar->sizeHint().height();
+ this->updatePDF();
+ }
+}
+
+// start/stop timer
+void MainWindow::startstopTimer(){
+ if(pres_timer.isActive()){
+ pres_timer.stop();
+ }
+ else{
+ pres_timer.start(1000,this);
+ }
+}
+
+//reset timer
+void MainWindow::resetTimer(){
+ if(pres_timer.isActive()){
+ pres_timer.stop();
+ }
+ pres_time_step=0;
+ timebar->setTime(0,1);
+}
+
+//called when pres_timer clicks: update timebar
+void MainWindow::timerEvent(QTimerEvent *event){
+ if (event->timerId() == pres_timer.timerId()) {
+ pres_time_step++;
+ // stop if end is reached
+ if(pres_time_step>=conf->presentation_time*60){
+ pres_timer.stop();
+ }
+ if(timebar){
+ timebar->setTime(pres_time_step,conf->presentation_time*60);
+ }
+ }
+}
+
+// move (non-fullscreen) window to a screen
+void MainWindow::moveToScreen(QWidget* widget,int ascreen,QDesktopWidget* desktop){
+ if(desktop->isVirtualDesktop()){
+ QRect geo=desktop->screenGeometry(ascreen);
+ // move and center
+ widget->move(QPoint(geo.x()+geo.width()/2-this->width()/2,geo.y()+geo.height()/2-this->height()/2));
+ }
+ else{
+ std::cout << "Sorry, so far multiple screens are only supported on X11\n";
+ }
+}
+
+// load hard coded UI
+void MainWindow::loadUi(){
+ // window layout
+ layout=new QVBoxLayout;
+ // view
+ layout->addWidget(pdfView);
+ // to get rid of extra space
+ layout->setContentsMargins(0,0,0,0);
+ layout->setSpacing(0);
+ // remove scrollbars
+ pdfView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ pdfView->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ ui->centralWidget->setLayout(layout);
+}
+
+void MainWindow::keyPressEvent(QKeyEvent* event){
+ switch(event->key()){
+ case Qt::Key_Right:
+ this->nextPage();
+ break;
+ case Qt::Key_Left:
+ this->previousPage();
+ break;
+ case Qt::Key_Down:
+ this->nextSlide();
+ break;
+ case Qt::Key_Up:
+ this->previousSlide();
+ break;
+ case Qt::Key_F:
+ this->fullscreenPDF();
+ break;
+ case Qt::Key_Q:
+ QApplication::instance()->quit();
+ break;
+ case Qt::Key_S:
+ this->startstopTimer();
+ break;
+ case Qt::Key_T:
+ this->showhideTimeBar();
+ break;
+ case Qt::Key_R:
+ this->resetTimer();
+ break;
+ case Qt::Key_X:
+ this->exchangeScreens();
+ break;
+ default:
+ std::cout << "unknown key pressed: " << event->key() << '\n';
+ break;
+ }
+}
+
+// to catch arrow keys
+bool MainWindow::eventFilter(QObject *obj, QEvent *event)
+{
+ QKeyEvent *keyEvent = NULL;//event data, if this is a keystroke event
+ bool result = false;//return true to consume the keystroke
+
+ if (event->type() == QEvent::KeyPress)
+ {
+ keyEvent = dynamic_cast<QKeyEvent*>(event);
+ this->keyPressEvent(keyEvent);
+ result = true;
+ }//if type()
+
+ else if (event->type() == QEvent::KeyRelease)
+ {
+ keyEvent = dynamic_cast<QKeyEvent*>(event);
+ this->keyReleaseEvent(keyEvent);
+ result = true;
+ }//else if type()
+
+ //### Standard event processing ###
+ else
+ result = QObject::eventFilter(obj, event);
+
+ return result;
+}//eventFilter
+
+// destructor
+MainWindow::~MainWindow(){
+ if(timebar){delete timebar;}
+ delete layout;
+ if(secondaryWindow){delete secondaryWindow;}
+ delete ui;
+}
+
+
+
+
+//secondary window ----------------------------------
+
+// constructor
+SecondaryWindow::SecondaryWindow(QWidget *parent):
+ pdfWindow(parent),
+ ui(new Ui::SecondaryWindow)
+{
+ ui->setupUi(this);
+ this->loadUi();
+}
+
+// UI
+void SecondaryWindow::loadUi(){
+ QHBoxLayout* layout=new QHBoxLayout;
+ layout->addWidget(pdfView);
+ pdfView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ pdfView->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ ui->centralWidget->setLayout(layout);
+ delete layout;
+}
+
+// destructor
+SecondaryWindow::~SecondaryWindow(){
+ delete ui;
+}
+
+
+
+
+// TimeIndicator--------------------------------------------------
+
+//contructor (completely inherited)
+TimeIndicator::TimeIndicator(QWidget *parent): QProgressBar(parent){}
+
+// set value of progress bar as well as text
+void TimeIndicator::setTime(int time,int maxtime){
+ this->setValue((time*100)/maxtime);
+ // string representing elapsed time
+ char timestr[9];
+ int hour=time/3600;
+ int minute=(time-hour*3600)/60;
+ int second=time-hour*3600-minute*60;
+ sprintf(timestr,"%02d:%02d:%02d",hour,minute,second);
+ this->setFormat(QString(timestr));
+}
+
+// destructor
+TimeIndicator::~TimeIndicator(){}
diff --git a/src/mainwindow.h b/src/mainwindow.h
new file mode 100644
index 0000000..4e4aa77
--- /dev/null
+++ b/src/mainwindow.h
@@ -0,0 +1,126 @@
+/*
+Copyright 2015 Ian Jauslin
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include "pdfWindow.h"
+#include "config.h"
+#include <QKeyEvent>
+#include <QDesktopWidget>
+#include <QProgressBar>
+#include <QBasicTimer>
+#include <QTimer>
+#include <cctype>
+
+namespace Ui {
+ class MainWindow;
+ class SecondaryWindow;
+}
+
+class SecondaryWindow;
+class TimeIndicator;
+
+class MainWindow : public pdfWindow
+{
+ Q_OBJECT
+
+ public:
+ // index of main screen
+ int nrMainScreen;
+ // index of secondary screen
+ int nrSecScreen;
+ // timer counter
+ int pres_time_step;
+ SecondaryWindow* secondaryWindow;
+ // slidelist
+ QVector<int> slidelist;
+
+ // constructor
+ explicit MainWindow(QWidget *parent = 0);
+
+ void setConfig(Config* config);
+
+ //enable secondary screen
+ void secondaryScreen();
+ void exchangeScreens();
+ void moveToScreen(QWidget* widget,int screen,QDesktopWidget* desktop);
+
+ void nextPage();
+ void previousPage();
+ void gotoPage(int page);
+ void nextSlide();
+ void previousSlide();
+
+ void showhideTimeBar();
+ void startstopTimer();
+ void resetTimer();
+
+ // destructor
+ ~MainWindow();
+
+ private:
+ // global comnfiguration object
+ Config* conf;
+ // presentation timer
+ QBasicTimer pres_timer;
+ // Main layout
+ QVBoxLayout* layout;
+ TimeIndicator* timebar;
+ Ui::MainWindow *ui;
+
+ void loadUi();
+ void readSlidelist(char* path);
+ void keyPressEvent(QKeyEvent* event);
+ // to get arrow keys
+ bool eventFilter(QObject *obj, QEvent *event);
+
+ //called by pres_timer
+ void timerEvent(QTimerEvent *event);
+
+ // check whether a string is an integer
+ bool check_int(const char* string);
+};
+
+
+class SecondaryWindow : public pdfWindow
+{
+ Q_OBJECT
+
+ public:
+ // constructor
+ explicit SecondaryWindow(QWidget* parent = 0);
+ // destructor
+ ~SecondaryWindow();
+
+ private:
+ Ui::SecondaryWindow *ui;
+ void loadUi();
+};
+
+// time progress bar
+class TimeIndicator : public QProgressBar
+{
+ Q_OBJECT
+ public:
+ // constructor
+ explicit TimeIndicator(QWidget* parent = 0);
+ // destructore
+ ~TimeIndicator();
+ void setTime(int time,int maxtime);
+};
+
+#endif // MAINWINDOW_H
diff --git a/src/mainwindow.ui b/src/mainwindow.ui
new file mode 100644
index 0000000..fa53891
--- /dev/null
+++ b/src/mainwindow.ui
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+Copyright 2015 Ian Jauslin
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+ <property name="geometry">
+ <rect>
+ <x>0</x>
+ <y>0</y>
+ <width>400</width>
+ <height>300</height>
+ </rect>
+ </property>
+ <property name="windowTitle">
+ <string>pdfPresentation</string>
+ </property>
+ <widget class="QWidget" name="centralWidget">
+ </widget>
+ <!-- <widget class="QStatusBar" name="statusBar"/> -->
+ </widget>
+ <layoutdefault spacing="0" margin="0"/>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/src/pdfPresentation2.pro b/src/pdfPresentation2.pro
new file mode 100644
index 0000000..2d5522f
--- /dev/null
+++ b/src/pdfPresentation2.pro
@@ -0,0 +1,34 @@
+## Copyright 2015 Ian Jauslin
+##
+## Licensed under the Apache License, Version 2.0 (the "License");
+## you may not use this file except in compliance with the License.
+## You may obtain a copy of the License at
+##
+## http://www.apache.org/licenses/LICENSE-2.0
+##
+## Unless required by applicable law or agreed to in writing, software
+## distributed under the License is distributed on an "AS IS" BASIS,
+## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+## See the License for the specific language governing permissions and
+## limitations under the License.
+
+QT += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = build/pdfPresentation
+TEMPLATE = app
+
+SOURCES += main.cpp\
+ mainwindow.cpp\
+ pdfWindow.cpp\
+ config.cpp
+
+HEADERS += mainwindow.h\
+ pdfWindow.h\
+ config.h
+
+FORMS += mainwindow.ui\
+ secondarywindow.ui
+
+LIBS += -lpoppler-qt4
diff --git a/src/pdfWindow.cpp b/src/pdfWindow.cpp
new file mode 100644
index 0000000..e4ca3e4
--- /dev/null
+++ b/src/pdfWindow.cpp
@@ -0,0 +1,139 @@
+/*
+Copyright 2015 Ian Jauslin
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+#include "pdfWindow.h"
+
+// constructor
+pdfWindow::pdfWindow(QWidget *parent) :
+ QMainWindow(parent)
+{
+ // set defaults
+ fullscreen=0;
+ curpage=0;
+ totalpages=0;
+ verticalOffset=0;
+ document=NULL;
+
+ //scene to draw the view
+ pdfViewScene=new QGraphicsScene;
+ pdfView=new QGraphicsView(pdfViewScene);
+}
+
+// set PDF document
+void pdfWindow::setDoc(char* file){
+ if(document){delete document;}
+ doc=file;
+
+ QString filename=file;
+ document = Poppler::Document::load(filename);
+ if(document){
+ // display options
+ document->setRenderHint(Poppler::Document::Antialiasing,true);
+ document->setRenderHint(Poppler::Document::TextAntialiasing,true);
+
+ curpage=0;
+ totalpages=document->numPages();
+ this->updatePDF();
+ }
+}
+
+void pdfWindow::gotoPage(int page){
+ if(page<totalpages && page>=0){
+ curpage=page;
+ this->updatePDF();
+ }
+}
+void pdfWindow::nextPage(){
+ if(curpage<totalpages-1){
+ curpage++;
+ this->updatePDF();
+ }
+}
+void pdfWindow::previousPage(){
+ if(curpage>0){
+ curpage--;
+ this->updatePDF();
+ }
+}
+
+// toggle fullscreen
+void pdfWindow::fullscreenPDF(){
+ if(!fullscreen){
+ fullscreen=1;
+ this->showFullScreen();
+ }
+ else{
+ fullscreen=0;
+ this->showNormal();
+ }
+}
+
+// draw (or redraw) PDF
+void pdfWindow::updatePDF(){
+ // current page
+ Poppler::Page* pdfPage = document->page(curpage);
+ if(!pdfPage){
+ std::cout << "Error: could not load page " << curpage << '\n';
+ return;
+ }
+
+ // total size available
+ QSize windowsize=this->size();
+ // verticalOffset to allow timebar
+ QSize viewSize(windowsize.width()+2,windowsize.height()+2-verticalOffset);
+ pdfView->setGeometry(-1,-1,viewSize.width(),viewSize.height());
+
+ // page size in points (1/72 inch)
+ QSize pageSize=pdfPage->pageSize();
+ // aspect ratio
+ double aspect=double(pageSize.width())/double(pageSize.height());
+ // an image to display the page
+ QImage image;
+ // keep aspect ratop
+ if(viewSize.width()<=aspect*viewSize.height()){
+ // render PDF page with appropriate resolution (pix/inch)
+ image = pdfPage->renderToImage(72*viewSize.width()/pageSize.width(),72*viewSize.width()/aspect/pageSize.height(),0,0,viewSize.width(),viewSize.width()/aspect);
+ }
+ else{
+ // render PDF page with appropriate resolution (pix/inch)
+ image = pdfPage->renderToImage(72*viewSize.height()*aspect/pageSize.width(),72*viewSize.height()/pageSize.height(),0,0,viewSize.height()*aspect,viewSize.height());
+ }
+ delete pdfPage;
+
+ // update scene
+ delete pdfViewScene;
+ pdfViewScene=new QGraphicsScene;
+ pdfView->setScene(pdfViewScene);
+ pdfViewScene->setBackgroundBrush(Qt::black);
+ // draw image
+ pdfViewScene->addPixmap(QPixmap::fromImage(image));
+}
+
+// respond to resize
+void pdfWindow::resizeEvent(QResizeEvent* event){
+ if(document){
+ this->updatePDF();
+ }
+
+ QMainWindow::resizeEvent(event);
+}
+
+// destructor
+pdfWindow::~pdfWindow(){
+ if(document){delete document;}
+ delete pdfView;
+ delete pdfViewScene;
+}
diff --git a/src/pdfWindow.h b/src/pdfWindow.h
new file mode 100644
index 0000000..e3415d3
--- /dev/null
+++ b/src/pdfWindow.h
@@ -0,0 +1,68 @@
+/*
+Copyright 2015 Ian Jauslin
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+#ifndef PDFWINDOW_H
+#define PDFWINDOW_H
+
+#include <QMainWindow>
+#include <poppler/qt4/poppler-qt4.h>
+#include <iostream>
+#include <QGraphicsScene>
+#include <QGraphicsView>
+#include <QBoxLayout>
+
+
+class pdfWindow : public QMainWindow
+{
+ Q_OBJECT
+
+public:
+ // PDF document path
+ char* doc;
+ // current page
+ int curpage;
+ int totalpages;
+ // is fullscreen ?
+ bool fullscreen;
+ // offset for pdfView
+ int verticalOffset;
+
+ // constructor
+ explicit pdfWindow(QWidget *parent = 0);
+ void setDoc(char* file);
+ void gotoPage(int page);
+ void nextPage();
+ void previousPage();
+ // toggle fullscreen
+ void fullscreenPDF();
+ // destructor
+ ~pdfWindow();
+
+
+protected:
+ // document
+ Poppler::Document* document;
+ // to draw the view
+ QGraphicsScene* pdfViewScene;
+ QGraphicsView* pdfView;
+
+ // display PDF
+ void updatePDF();
+ // respond to window resize
+ void resizeEvent(QResizeEvent* event);
+};
+
+#endif // PDFWINDOW_H
diff --git a/src/secondarywindow.ui b/src/secondarywindow.ui
new file mode 100644
index 0000000..25d7364
--- /dev/null
+++ b/src/secondarywindow.ui
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+Copyright 2015 Ian Jauslin
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
+<ui version="4.0">
+ <class>SecondaryWindow</class>
+ <widget class="QMainWindow" name="SecondaryWindow">
+ <property name="geometry">
+ <rect>
+ <x>0</x>
+ <y>0</y>
+ <width>400</width>
+ <height>300</height>
+ </rect>
+ </property>
+ <property name="windowTitle">
+ <string>pdfPresentation</string>
+ </property>
+ <widget class="QWidget" name="centralWidget">
+ </widget>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <resources/>
+ <connections/>
+</ui>