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UI - Global keyboard shortcuts

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This commit is contained in:
Emmanuel BENOîT 2017-11-24 11:34:17 +01:00
parent 0fcfeb1fee
commit fa242b08a4
5 changed files with 116 additions and 42 deletions
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8
ui-actions.cc
View file

@ -28,6 +28,14 @@ void T_KeyboardShortcut::toString(
}( ) );
}
namespace ebcl {
M_DEFINE_HASH( T_KeyboardShortcut )
{
return uint32_t( item.character ) << 8
| uint32_t( item.modifiers );
}
} // namespace ebcl
/*= T_UIAction ===============================================================*/

7
ui-actions.hh
View file

@ -17,7 +17,14 @@ struct T_KeyboardShortcut
// Writes the keyboard shortcut to a buffer
void toString( char* buffer , size_t size ) const noexcept;
// Equality operators
bool operator ==( T_KeyboardShortcut const& other ) const noexcept
{ return other.character == character && other.modifiers == modifiers; }
bool operator !=( T_KeyboardShortcut const& other ) const noexcept
{ return other.character != character || other.modifiers != modifiers; }
};
namespace ebcl { M_DECLARE_HASH( T_KeyboardShortcut ); }
struct T_UIAction
{

111
ui-app.cc
View file

@ -19,6 +19,8 @@ static const ImWchar IconsRanges_[] = {
};
} // namespace <anon>
/*----------------------------------------------------------------------------*/
T_UIApp::T_UIApp( )
{
SDL_Init( SDL_INIT_VIDEO | SDL_INIT_TIMER );
@ -83,9 +85,22 @@ T_UIApp::~T_UIApp( )
SDL_Quit( );
}
/*----------------------------------------------------------------------------*/
void T_UIApp::addAction(
T_UIAction action ) noexcept
{
if ( action.shortcut ) {
const auto idx{ shortcuts_.indexOf( *action.shortcut ) };
if ( idx == T_HashIndex::INVALID_INDEX ) {
using namespace ebcl;
T_Set< T_String > nSet{ UseTag< ArrayBacked< 8 > >( ) };
nSet.add( action.id );
shortcuts_.add( *action.shortcut , std::move( nSet ) );
} else {
shortcuts_[ idx ].add( action.id );
}
}
actions_.set( std::move( action ) );
}
@ -107,10 +122,13 @@ void T_UIApp::actionButton(
}
}
/*----------------------------------------------------------------------------*/
void T_UIApp::handleEvents( ) noexcept
{
SDL_Event event;
mMove_ = ImVec2( );
kbKeys_.clear( );
while ( SDL_PollEvent( &event ) ) {
ImGui_ImplSdl_ProcessEvent( &event );
if ( event.type == SDL_QUIT ) {
@ -123,13 +141,54 @@ void T_UIApp::handleEvents( ) noexcept
mMove_.x += event.motion.xrel;
mMove_.y += event.motion.yrel;
}
if ( event.type == SDL_KEYDOWN ) {
const auto sym{ event.key.keysym.sym };
if ( sym >= 0 && sym <= 127 ) {
kbKeys_.add( char( sym ) );
}
}
}
ImGui_ImplSdl_NewFrame( window_ , mCapture_ , mInitial_ );
ImGui::GetIO( ).MouseDrawCursor = true;
auto& io( ImGui::GetIO( ) );
io.MouseDrawCursor = true;
kbMods_ = ( ([&io]() {
T_KeyboardModifiers kb;
if ( io.KeyCtrl ) {
kb |= E_KeyboardModifier::CTRL;
}
if ( io.KeyShift ) {
kb |= E_KeyboardModifier::SHIFT;
}
if ( io.KeyAlt ) {
kb |= E_KeyboardModifier::ALT;
}
return kb;
})() );
handleKeyboardShortcuts( );
handleMouseCapture( );
}
void T_UIApp::render( ) noexcept
{
handleDialogs( );
glUseProgram( 0 );
glBindProgramPipeline( 0 );
UI::Textures( ).reset( );
glClearColor( 0 , 0 , 0 , 1 );
ImGui::Render( );
}
void T_UIApp::swap( ) const noexcept
{
SDL_GL_SwapWindow( window_ );
}
/*----------------------------------------------------------------------------*/
void T_UIApp::handleMouseCapture( ) noexcept
{
using namespace ImGui;
@ -147,19 +206,6 @@ void T_UIApp::handleMouseCapture( ) noexcept
}
return mb;
})() );
const T_KeyboardModifiers kb( ([&io]() {
T_KeyboardModifiers kb;
if ( io.KeyCtrl ) {
kb |= E_KeyboardModifier::CTRL;
}
if ( io.KeyShift ) {
kb |= E_KeyboardModifier::SHIFT;
}
if ( io.KeyAlt ) {
kb |= E_KeyboardModifier::ALT;
}
return kb;
})() );
const bool appCanGrab( !( ImGui::IsMouseHoveringAnyWindow( )
|| io.WantCaptureMouse
|| io.WantCaptureKeyboard ) );
@ -173,7 +219,7 @@ void T_UIApp::handleMouseCapture( ) noexcept
} else if ( mCapture_ && mDelegate_ ) {
SetMouseCursor( ImGuiMouseCursor_Move );
mDelegate_->handleDragAndDrop( mMove_ , kb , mb );
mDelegate_->handleDragAndDrop( mMove_ , kbMods_ , mb );
} else if ( appCanGrab && mb && mDelegate_ ) {
mCapture_ = true;
@ -184,23 +230,34 @@ void T_UIApp::handleMouseCapture( ) noexcept
}
if ( ( appCanGrab || mCapture_ ) && io.MouseWheel && mDelegate_ ) {
mDelegate_->handleWheel( io.MouseWheel , kb , mb );
mDelegate_->handleWheel( io.MouseWheel , kbMods_ , mb );
}
}
void T_UIApp::render( ) noexcept
void T_UIApp::handleKeyboardShortcuts( ) noexcept
{
handleDialogs( );
glUseProgram( 0 );
glBindProgramPipeline( 0 );
UI::Textures( ).reset( );
glClearColor( 0 , 0 , 0 , 1 );
ImGui::Render( );
}
auto const& io{ ImGui::GetIO( ) };
if ( io.WantCaptureKeyboard || io.WantTextInput || !modals_.empty( ) ) {
return;
}
void T_UIApp::swap( ) const noexcept
{
SDL_GL_SwapWindow( window_ );
for ( auto i = 0u ; i < kbKeys_.size( ) ; i ++ ) {
const T_KeyboardShortcut k{ kbKeys_[ i ] , kbMods_ };
auto const* const ksSet{ shortcuts_.get( k ) };
if ( !ksSet ) {
continue;
}
const auto nsk{ ksSet->size( ) };
for ( auto j = 0u ; j < nsk ; j ++ ) {
T_String const& s{ (*ksSet)[ j ] };
auto const* const a{ actions_.get( s ) };
if ( a && ( !a->enabled || a->enabled( ) ) ) {
a->handler( );
break;
}
}
}
}
void T_UIApp::handleDialogs( ) noexcept

20
ui-app.hh
View file

@ -3,6 +3,8 @@
#include "ui-mousectrl.hh"
#include "ui-actions.hh"
#include <ebcl/Sets.hh>
/*= WINDOW MANAGEMENT ========================================================*/
@ -33,15 +35,6 @@ struct T_UIApp
void actionMenu( T_String const& id ) const noexcept;
void actionButton( T_String const& id ) const noexcept;
template< typename... Args >
T_UIAction& newAction( Args&&... args )
{
T_UIAction a{ std::forward< Args >( args ) ... };
T_String id{ a.id };
addAction( std::move( a ) );
return *actions_.get( id );
}
//----------------------------------------------------------------------
ImFont* defaultFont( ) const noexcept
@ -78,6 +71,10 @@ struct T_UIApp
// Do we need to quit?
bool exiting_{ false };
// Keyboard events / state
T_KeyboardModifiers kbMods_;
T_AutoArray< char , 32 > kbKeys_;
// Mouse capture
bool mCapture_{ false };
ImVec2 mInitial_{ 0 , 0 };
@ -92,8 +89,13 @@ struct T_UIApp
[]( T_UIAction const& a ) -> T_String {
return a.id;
} };
T_KeyValueTable< T_KeyboardShortcut , ebcl::T_Set< T_String > > shortcuts_;
// Event handling
void handleMouseCapture( ) noexcept;
void handleKeyboardShortcuts( ) noexcept;
// Modals
void handleDialogs( ) noexcept;
};

12
ui-sync.cc
View file

@ -12,7 +12,7 @@
T_UISync::T_UISync( )
{
UI::Main( ).newAction( "Save curves" , []() {
UI::Main( ).addAction( T_UIAction{ "Save curves" , []() {
if ( Common::Sync( ).curvesFileChanged( ) ) {
UI::Main( ).msgbox(
"Curves file changed" ,
@ -27,12 +27,12 @@ T_UISync::T_UISync( )
} else {
Common::Sync( ).saveCurves( );
}
} ).setEnabledCheck( []() {
} }.setEnabledCheck( []() {
return Common::Sync( ).curvesModified( );
} ).setIcon( ICON_FA_FLOPPY_O )
.setShortcut( T_KeyboardShortcut{ 's' , E_KeyboardModifier::CTRL } );
.setShortcut( T_KeyboardShortcut{ 's' , E_KeyboardModifier::CTRL } ) );
//-----------------------------------------------------------------------------
UI::Main( ).newAction( "Reload curves" , []() {
UI::Main( ).addAction( T_UIAction{ "Reload curves" , []() {
UI::Main( ).msgbox(
"Reload curves?" ,
"Changes you made to the curves will be lost. Do you "
@ -42,11 +42,11 @@ T_UISync::T_UISync( )
Common::Sync( ).loadCurves( );
}
} , { T_MessageBox::BT_YES , T_MessageBox::BT_NO } );
} ).setEnabledCheck( []() {
} }.setEnabledCheck( []() {
return Common::Sync( ).curvesModified( );
} ).setIcon( ICON_FA_DOWNLOAD )
.setShortcut( T_KeyboardShortcut{ 'r' ,
{ E_KeyboardModifier::CTRL , E_KeyboardModifier::SHIFT } } );
{ E_KeyboardModifier::CTRL , E_KeyboardModifier::SHIFT } } ) );
//-----------------------------------------------------------------------------
const auto addui{ [this]( char const* type , F_Override ov ) {
const bool ok{ sovuis_.add( T_String{ type } , std::move( ov ) ) };