Merge pull request cpp-best-practices#5 from lefticus/add_gui_examples

Add gui examples

Author: lefticus

.clang-format

@@ -0,0 +1,98 @@
+AccessModifierOffset: -2
+AlignAfterOpenBracket: DontAlign
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignEscapedNewlines: Left
+AlignOperands: true
+AlignTrailingComments: false
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortBlocksOnASingleLine: true
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: All
+AllowShortIfStatementsOnASingleLine: true
+AllowShortLoopsOnASingleLine: true
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: true
+AlwaysBreakTemplateDeclarations: false
+BinPackArguments: false
+BinPackParameters: false
+BraceWrapping:
+ AfterClass: true
+ AfterControlStatement: false
+ AfterEnum: false
+ AfterFunction: true
+ AfterNamespace: false
+ AfterObjCDeclaration: false
+ AfterStruct: true
+ AfterUnion: false
+ BeforeCatch: false
+ BeforeElse: false
+ IndentBraces: false
+ SplitEmptyFunction: false
+ SplitEmptyNamespace: true
+ SplitEmptyRecord: true
+BreakAfterJavaFieldAnnotations: true
+BreakBeforeBinaryOperators: NonAssignment
+BreakBeforeBraces: Custom
+BreakBeforeInheritanceComma: true
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializers: BeforeColon
+BreakConstructorInitializersBeforeComma: false
+BreakStringLiterals: true
+ColumnLimit: 0
+CommentPragmas: '^ IWYU pragma:'
+CompactNamespaces: false
+ConstructorInitializerAllOnOneLineOrOnePerLine: false
+ConstructorInitializerIndentWidth: 2
+ContinuationIndentWidth: 2
+Cpp11BracedListStyle: false
+DerivePointerAlignment: false
+DisableFormat: false
+ExperimentalAutoDetectBinPacking: true
+FixNamespaceComments: true
+ForEachMacros:
+- foreach
+- Q_FOREACH
+- BOOST_FOREACH
+IncludeCategories:
+- Priority: 2
+ Regex: ^"(llvm|llvm-c|clang|clang-c)/
+- Priority: 3
+ Regex: ^(<|"(gtest|gmock|isl|json)/)
+- Priority: 1
+ Regex: .*
+IncludeIsMainRegex: (Test)?$
+IndentCaseLabels: false
+IndentWidth: 2
+IndentWrappedFunctionNames: true
+JavaScriptQuotes: Leave
+JavaScriptWrapImports: true
+KeepEmptyLinesAtTheStartOfBlocks: true
+Language: Cpp
+MacroBlockBegin: ''
+MacroBlockEnd: ''
+MaxEmptyLinesToKeep: 2
+NamespaceIndentation: Inner
+ObjCBlockIndentWidth: 7
+ObjCSpaceAfterProperty: true
+ObjCSpaceBeforeProtocolList: false
+PointerAlignment: Right
+ReflowComments: true
+SortIncludes: false
+SortUsingDeclarations: false
+SpaceAfterCStyleCast: false
+SpaceAfterTemplateKeyword: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeParens: ControlStatements
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 0
+SpacesInAngles: false
+SpacesInCStyleCastParentheses: false
+SpacesInContainerLiterals: true
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard: Cpp11
+TabWidth: 8
+UseTab: Never
+

.cmake-format.yaml

@@ -0,0 +1,19 @@
+additional_commands:
+ foo:
+ flags:
+ - BAR
+ - BAZ
+ kwargs:
+ DEPENDS: '*'
+ HEADERS: '*'
+ SOURCES: '*'
+bullet_char: '*'
+dangle_parens: false
+enum_char: .
+line_ending: unix
+line_width: 100
+max_subargs_per_line: 3
+separate_ctrl_name_with_space: false
+separate_fn_name_with_space: false
+tab_size: 2
+

CMakeLists.txt

@@ -1,34 +1,103 @@
 cmake_minimum_required(VERSION 3.2)
 
+option(BUILD_SHARED_LIBS "Enable compilation of shared libraries" FALSE)
+
 # Link this 'library' to use the following warnings
 add_library(project_warnings INTERFACE)
 
-if (CMAKE_COMPILER_IS_GNUCC)
+if(CMAKE_COMPILER_IS_GNUCC)
  option(ENABLE_COVERAGE "Enable coverage reporting for gcc/clang" FALSE)
 
- if (ENABLE_COVERAGE)
+ if(ENABLE_COVERAGE)
  add_compile_options(--coverage -O0)
  endif()
 endif()
 
-if (MSVC)
+if(MSVC)
  target_compile_options(project_warnings INTERFACE /W4)
 else()
- target_compile_options(project_warnings INTERFACE -Wall -Wextra -Wpedantic)
+ target_compile_options(project_warnings
+ INTERFACE
+ -Wall
+ -Wextra # reasonable and standard
+ -Wshadow # warn the user if a variable declaration shadows one from a
+ # parent context
+ -Wnon-virtual-dtor # warn the user if a class with virtual functions has a
+ # non-virtual destructor. This helps catch hard to
+ # track down memory errors
+ -Wold-style-cast # warn for c-style casts
+ -Wcast-align # warn for potential performance problem casts
+ -Wunused # warn on anything being unused
+ -Woverloaded-virtual # warn if you overload (not override) a virtual
+ # function
+ -Wpedantic # warn if non-standard C++ is used
+ -Wconversion # warn on type conversions that may lose data
+ -Wsign-conversion # warn on sign conversions
+ -Wmisleading-indentation # warn if identation implies blocks where blocks
+ # do not exist
+ -Wduplicated-cond # warn if if / else chain has duplicated conditions
+ -Wduplicated-branches # warn if if / else branches have duplicated code
+ -Wlogical-op # warn about logical operations being used where bitwise were
+ # probably wanted
+ -Wnull-dereference # warn if a null dereference is detected
+ -Wuseless-cast # warn if you perform a cast to the same type
+ -Wdouble-promotion # warn if float is implicit promoted to double
+ -Wformat=2 # warn on security issues around functions that format output
+ # (ie printf)
+ )
 endif()
 
 add_executable(intro main.cpp)
-target_compile_features(intro PRIVATE cxx_lambda_init_captures)
-target_link_libraries(intro PRIVATE project_warnings)
-
-target_link_libraries(intro --coverage)
+target_compile_features(intro PRIVATE cxx_std_17)
+target_link_libraries(intro PRIVATE project_warnings --coverage)
 
 enable_testing()
 
 add_executable(tester tester.cpp)
-target_link_libraries(tester PRIVATE project_warnings)
+target_link_libraries(tester PRIVATE project_warnings --coverage)
 
-target_link_libraries(tester --coverage)
 add_test(Tester tester)
 
+#fltk test
+find_package(FLTK REQUIRED)
+add_executable(test_fltk fltk/test_fltk.cpp)
+target_link_libraries(test_fltk PRIVATE project_warnings ${FLTK_LIBRARIES})
+target_include_directories(test_fltk PRIVATE ${FLTK_INCLUDE_DIR})
+
+# gtkmm test
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTKMM REQUIRED gtkmm-3.0)
+add_executable(test_gtkmm gtkmm/main.cpp gtkmm/hello_world.cpp)
+target_link_libraries(test_gtkmm PRIVATE project_warnings ${GTKMM_LIBRARIES})
+target_include_directories(test_gtkmm PRIVATE ${GTKMM_INCLUDE_DIRS})
+
+# imgui example
+find_package(SFML COMPONENTS graphics window system)
+find_package(OpenGL)
+
+# imgui + sfml built as a lib, intentionally not using full warning flags
+add_library(imgui imgui/lib/imgui.cpp imgui/lib/imgui_draw.cpp imgui/lib/imgui-SFML.cpp)
+target_link_libraries(imgui INTERFACE ${SFML_LIBRARIES} ${OPENGL_gl_LIBRARY})
+
+# imgui test executable, with full warnings enabled
+add_executable(test_imgui imgui/test.cpp)
+target_link_libraries(test_imgui PRIVATE project_warnings imgui)
+target_include_directories(test_imgui PRIVATE ${SFML_INCLUDE_DIR})
+
+# Nana
+include(ExternalProject)
+ExternalProject_add(
+ Nana
+ GIT_REPOSITORY https://github.com/cnjinhao/nana.git
+ GIT_TAG v1.5.6
+ CMAKE_CACHE_ARGS "-DNANA_CMAKE_SHARED_LIB"
+ INSTALL_COMMAND ""
+)
+
+#ExternalProject_Get_Property(Nana NANA_INCLUDE_DIR)
+ExternalProject_Get_Property(Nana SOURCE_DIR BINARY_DIR)
+add_executable(test_nana nana/main.cpp)
+target_include_directories(test_nana PRIVATE ${SOURCE_DIR}/include)
+target_link_libraries(test_nana PRIVATE ${BINARY_DIR}/libnana.so ${NANA_LINKS})
+
 

fltk/README.md

@@ -0,0 +1 @@
+Example FLTK code from http://www.fltk.org/doc-1.3/basics.html

fltk/test_fltk.cpp

@@ -0,0 +1,18 @@
+#include <FL/Fl.H>
+#include <FL/Fl_Window.H>
+#include <FL/Fl_Box.H>
+#include <iostream>
+
+int main(int argc, char **argv)
+{
+ std::cout << "utf8 locale " << fl_utf8locale() << '\n';
+ Fl_Window *window = new Fl_Window(340, 180);
+ Fl_Box *box = new Fl_Box(20, 40, 300, 100, "Hello World");
+ box->box(FL_UP_BOX);
+ box->labelfont(FL_BOLD + FL_ITALIC);
+ box->labelsize(32);
+ box->labeltype(FL_SHADOW_LABEL);
+ window->end();
+ window->show(argc, argv);
+ return Fl::run();
+}

gtkmm/README.md

@@ -0,0 +1 @@
+Example Hello World from https://developer.gnome.org/gtkmm-tutorial/stable/sec-helloworld.html.en

gtkmm/hello_world.cpp

@@ -0,0 +1,26 @@
+#include "hello_world.hpp"
+#include <iostream>
+
+HelloWorld::HelloWorld()
+ : m_button("Hello World")// creates a new button with label "Hello World".
+{
+ // Sets the border width of the window.
+ set_border_width(10);
+
+ // When the button receives the "clicked" signal, it will call the
+ // on_button_clicked() method defined below.
+ m_button.signal_clicked().connect(sigc::mem_fun(*this,
+ &HelloWorld::on_button_clicked));
+
+ // This packs the button into the Window (a container).
+ add(m_button);
+
+ // The final step is to display this newly created widget...
+ m_button.show();
+}
+
+
+void HelloWorld::on_button_clicked()
+{
+ std::cout << "Hello World\n";
+}

gtkmm/hello_world.hpp

@@ -0,0 +1,21 @@
+#ifndef GTKMM_EXAMPLE_HELLO_WORLD_HPP
+#define GTKMM_EXAMPLE_HELLO_WORLD_HPP
+
+#include <gtkmm/button.h>
+#include <gtkmm/window.h>
+
+class HelloWorld : public Gtk::Window
+{
+
+public:
+ HelloWorld();
+
+protected:
+ //Signal handlers:
+ void on_button_clicked();
+
+ //Member widgets:
+ Gtk::Button m_button;
+};
+
+#endif// GTKMM_EXAMPLE_HELLO_WORLD_HPP

gtkmm/main.cpp

@@ -0,0 +1,12 @@
+#include "hello_world.hpp"
+#include <gtkmm/application.h>
+
+int main(int argc, char *argv[])
+{
+ auto app = Gtk::Application::create(argc, argv, "org.gtkmm.example");
+
+ HelloWorld helloworld;
+
+ //Shows the window and returns when it is closed.
+ return app->run(helloworld);
+}

imgui/README.md

@@ -0,0 +1 @@
+Example of using imgui with SFML from https://github.com/eliasdaler/imgui-sfml