Small code improvements

This commit is contained in:
Markus Gans 2020-01-03 01:33:18 +01:00
parent d126c4996a
commit fc1b9ebdf3
10 changed files with 73 additions and 49 deletions

View File

@ -27,7 +27,7 @@ How to use the library
At the beginning of this introduction to the Final Cut
we will start with a small example.
The following example creates an empty 30??10 character dialog.
The following example creates an empty 30×10 character dialog.
**File:** *dialog.cpp*
```cpp
@ -702,12 +702,12 @@ class dialogWidget : public FDialog
void setTemperature()
{
label.clear();
label << t << "??C";
label << t << "°C";
label.redraw();
}
int t = 20;
FLabel label{FString() << t << "??C", this};
FLabel label{FString() << t << "°C", this};
FButton plus {"&+", this};
FButton minus {"&-", this};
};

View File

@ -3,7 +3,7 @@
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2017-2019 Markus Gans *
* Copyright 2017-2020 Markus Gans *
* *
* The Final Cut is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public License *
@ -241,16 +241,14 @@ Brushes::~Brushes()
//----------------------------------------------------------------------
void Brushes::draw()
{
int pos{};
int pos{0};
setColor();
drawBorder();
print() << FPoint(2, 3)
<< FColorPair(fg_color, bg_color) << " "
<< finalcut::FString(3, fc::MediumShade);
if ( brush == L' ' )
pos = 0;
else
if ( brush != L' ' )
pos = 3;
setColor();

View File

@ -3,7 +3,7 @@
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2013-2019 Markus Gans *
* Copyright 2013-2020 Markus Gans *
* *
* The Final Cut is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public License *
@ -117,11 +117,12 @@ bool FApplication::isQuit()
int FApplication::exec() // run
{
if ( quit_now )
{
quit_now = false;
return EXIT_FAILURE;
}
quit_now = false;
quit_code = 0;
enterLoop();
return quit_code;
}
@ -825,7 +826,7 @@ void FApplication::closeDropDown()
{
// Close the open menu
if ( ! mouse || (mouse && mouse->isMoved()) )
if ( ! mouse || mouse->isMoved() )
return;
const auto& mouse_position = mouse->getPos();

View File

@ -3,7 +3,7 @@
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2014-2019 Markus Gans *
* Copyright 2014-2020 Markus Gans *
* *
* The Final Cut is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public License *
@ -472,12 +472,10 @@ sInt64 FFileDialog::numOfDirs()
//----------------------------------------------------------------------
void FFileDialog::sortDir()
{
sInt64 start{};
sInt64 start{0};
if ( std::strcmp((*dir_entries.begin()).name, "..") == 0 )
start = 1;
else
start = 0;
sInt64 dir_num = numOfDirs();
// directories first

View File

@ -3,7 +3,7 @@
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2017-2019 Markus Gans *
* Copyright 2017-2020 Markus Gans *
* *
* The Final Cut is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public License *
@ -730,15 +730,12 @@ void FListView::setColumnSort (int column, fc::sorting_order order)
//----------------------------------------------------------------------
int FListView::addColumn (const FString& label, int width)
{
Header new_column;
Header new_column{};
new_column.name = label;
new_column.width = width;
if ( new_column.width == USE_MAX_SIZE )
{
new_column.fixed_width = false;
new_column.width = int(getColumnWidth(label));
}
else
new_column.fixed_width = true;
@ -1944,12 +1941,10 @@ std::size_t FListView::determineLineWidth (FListViewItem* item)
if ( ! fixed_width )
{
std::size_t len{};
std::size_t len{0};
if ( column_idx < entries )
len = getColumnWidth(item->column_list[column_idx]);
else
len = 0;
if ( len > width )
header_item.width = int(len);

View File

@ -3,7 +3,7 @@
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2015-2019 Markus Gans *
* Copyright 2015-2020 Markus Gans *
* *
* The Final Cut is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public License *
@ -485,7 +485,7 @@ bool FMenuItem::isMenu (FWidget* w) const
//----------------------------------------------------------------------
FMenuList* FMenuItem::getFMenuList (FWidget& widget)
{
FMenuList* menu_list{};
FMenuList* menu_list{nullptr};
if ( isMenu(&widget) )
{
@ -497,8 +497,6 @@ FMenuList* FMenuItem::getFMenuList (FWidget& widget)
auto Menubar = static_cast<FMenuBar*>(&widget);
menu_list = static_cast<FMenuList*>(Menubar);
}
else
menu_list = nullptr;
return menu_list;
}

View File

@ -3,7 +3,7 @@
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2012-2019 Markus Gans *
* Copyright 2012-2020 Markus Gans *
* *
* The Final Cut is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public License *
@ -1272,8 +1272,7 @@ void FTerm::initScreenSettings()
}
//----------------------------------------------------------------------
char* FTerm::changeAttribute ( FChar*& term_attr
, FChar*& next_attr )
char* FTerm::changeAttribute (FChar*& term_attr, FChar*& next_attr)
{
return opti_attr->changeAttribute (term_attr, next_attr);
}

View File

@ -3,7 +3,7 @@
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2019 Markus Gans *
* Copyright 2019-2020 Markus Gans *
* *
* The Final Cut is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public License *
@ -34,6 +34,17 @@
namespace finalcut
{
// Enumeration
enum fullWidthSupport
{
unknown_fullwidth_support = -1,
supports_fullwidth = 0,
no_fullwidth_support = 1
};
// global state
static fullWidthSupport has_fullwidth_support = unknown_fullwidth_support;
// Function prototypes
bool hasAmbiguousWidth (wchar_t);
@ -218,6 +229,29 @@ bool isReverseNewFontchar (wchar_t wchar)
return false;
}
//----------------------------------------------------------------------
bool hasFullWidthSupports()
{
// Checks if the terminal has full-width character support
if ( has_fullwidth_support == unknown_fullwidth_support )
{
if ( FTerm::isCygwinTerminal()
|| FTerm::isTeraTerm()
|| FTerm::isRxvtTerminal()
|| FTerm::isFreeBSDTerm()
|| FTerm::isNetBSDTerm()
|| FTerm::isOpenBSDTerm()
|| FTerm::isSunTerminal()
|| FTerm::isAnsiTerminal() )
has_fullwidth_support = no_fullwidth_support;
else
has_fullwidth_support = supports_fullwidth;
}
return ( has_fullwidth_support == supports_fullwidth) ? true : false;
}
//----------------------------------------------------------------------
wchar_t cp437_to_unicode (uChar c)
{
@ -428,7 +462,8 @@ std::size_t getColumnWidth (const wchar_t wchar)
else
#endif
if ( wchar >= fc::NF_rev_left_arrow2 && wchar <= fc::NF_check_mark )
if ( (wchar >= fc::NF_rev_left_arrow2 && wchar <= fc::NF_check_mark)
|| ! hasFullWidthSupports() )
column_width = 1;
else
column_width = wcwidth(wchar);

View File

@ -3,7 +3,7 @@
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2018-2019 Markus Gans *
* Copyright 2018-2020 Markus Gans *
* *
* The Final Cut is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public License *
@ -453,6 +453,18 @@ char* FTermDetection::termtype_256color_quirks()
{
char* new_termtype{nullptr};
if ( color_env.string2
|| (color_env.string1
&& std::strncmp(color_env.string1, "gnome-terminal", 14) == 0) )
{
terminal_type.gnome_terminal = true;
// Each gnome-terminal should be able to use 256 colors
color256 = true;
if ( ! isScreenTerm() )
return (new_termtype = C_STR("gnome-256color"));
}
if ( ! color256 )
return new_termtype;
@ -486,18 +498,6 @@ char* FTermDetection::termtype_256color_quirks()
if ( color_env.string3 && std::strlen(color_env.string3) > 0 )
decscusr_support = true;
if ( color_env.string2
|| (color_env.string1
&& std::strncmp(color_env.string1, "gnome-terminal", 14) == 0) )
{
terminal_type.gnome_terminal = true;
// Each gnome-terminal should be able to use 256 colors
color256 = true;
if ( ! isScreenTerm() )
new_termtype = C_STR("gnome-256color");
}
return new_termtype;
}

View File

@ -3,7 +3,7 @@
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2012-2019 Markus Gans *
* Copyright 2012-2020 Markus Gans *
* *
* The Final Cut is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public License *
@ -290,8 +290,7 @@ class FTerm final
static int putchar_UTF8 (int);
static void initScreenSettings();
static char* changeAttribute ( FChar*&
, FChar*& );
static char* changeAttribute (FChar*&, FChar*&);
static void changeTermSizeFinished();
static void exitWithMessage (const FString&)
#if defined(__clang__) || defined(__GNUC__)
@ -389,6 +388,7 @@ class FTerm final
//----------------------------------------------------------------------
uInt env2uint (const char*);
bool isReverseNewFontchar (wchar_t);
bool hasFullWidthSupports();
wchar_t cp437_to_unicode (uChar);
uChar unicode_to_cp437 (wchar_t);
FString getFullWidth (const FString&);