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More Fl_Input keyboard fixes / OS X transparency for RGBA data / some utf8 reorganisation

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6765 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Matthias Melcher 2009-04-15 08:35:28 +00:00
parent b214cef3a8
commit d3206f01ec
13 changed files with 153 additions and 107 deletions
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4
CHANGES
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@ -1,6 +1,8 @@
CHANGES IN FLTK 1.3.0
- Added improved OS X cursor control to Fl_Input (STR #2169)
- Fixed fl_draw_image to obey the alpha channel, hoping that
this has no adverse effect on existing software (OS X only)
- Added OS X cursor control to Fl_Input (STR #2169)
- Fix for multiple popups, when dragging and calling fl_alert()
and friends from the callback (STR #2159)
- Avoiding crashes for recursive common dialogs (this does not

5
FL/Fl.H
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@ -1014,6 +1014,11 @@ public:
};
/** \defgroup fl_unicode Unicode and UTF-8 functions
fl global Unicode and UTF-8 ahndling functions
@{ */
/** @} */
#endif // !Fl_H
//

6
FL/Fl_Input_.H
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@ -145,7 +145,7 @@ public:
Same as value()[n], but may be faster in plausible
implementations. No bounds checking is done.
*/
char index(int i) const {return value_[i];}
char index(int i) const {return value_[i];}
/**
Returns the number of characters in value(). This
may be greater than strlen(value()) if there are nul
@ -265,6 +265,10 @@ char index(int i) const {return value_[i];}
*/
void wrap(int b) { if (b) type((uchar)(type() | FL_INPUT_WRAP));
else type((uchar)(type() & ~FL_INPUT_WRAP)); }
/**
Return the number of lines displayed on a single page.
*/
int linesPerPage();
};
#endif

18
FL/fl_utf8.h
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@ -30,6 +30,11 @@
/*** NOTE : all functions are LIMITED to 24 bits Unicode values !!! ***/
/**
\file fl_utf8.h
\brief header for Unicode and UTF8 chracter handling
*/
#ifndef _HAVE_FL_UTF8_HDR_
#define _HAVE_FL_UTF8_HDR_
@ -78,12 +83,20 @@
extern "C" {
# endif
/** \addtogroup fl_unicode
@{
*/
int fl_unichar_to_utf8_size(Fl_Unichar);
/* F2: comes from FLTK2 */
/* OD: comes from OksiD */
/* F2: How many bytes will be used to encode this wide character as UTF8? */
/**
Return the number of bytes needed to encode the given UCS4 character in UTF8.
\param [in] ucs UCS4 encoded character
\return number of bytes required
*/
FL_EXPORT int fl_utf8bytes(unsigned ucs);
/* OD: returns the byte length of the first UTF-8 char sequence (returns -1 if not valid) */
@ -222,6 +235,9 @@ FL_EXPORT void fl_make_path_for_file( const char *path );
/* OD: recursively create a path in the file system */
FL_EXPORT char fl_make_path( const char *path );
/** @} */
/*****************************************************************************/
#ifdef __cplusplus

101
src/Fl_Input.cxx
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@ -146,9 +146,26 @@ int Fl_Input::handle_key() {
if (Fl::event_state() & FL_CTRL) ascii = ctrl('C');
else if (Fl::event_state() & FL_SHIFT) ascii = ctrl('V');
break;
case FL_Delete: // FIXME
if (Fl::event_state() & FL_SHIFT) ascii = ctrl('X');
else ascii = ctrl('D');
case FL_Delete:
#ifdef __APPLE__
if (mods==0 || mods==FL_CTRL) { // delete next char
ascii = ctrl('D');
} else if (mods==FL_ALT) { // delete next word
if (mark() != position()) return cut();
cut(position(), word_end(position()));
return 1;
} else if (mods==FL_META) { // delete to the end of the line
if (mark() != position()) return cut();
cut(position(), line_end(position()));
return 1;
} else return 1;
#else
if (mods==0) {
ascii = ctrl('D');
} else if (mods==FL_SHIFT) {
ascii = ctrl('X');
} else return 1;
#endif
break;
case FL_Left:
#ifdef __APPLE__
@ -190,18 +207,31 @@ int Fl_Input::handle_key() {
} else return 1;
#endif // __APPLE__
break;
case FL_Page_Up: // FIXME
fl_font(textfont(),textsize()); //ensure current font is set to ours
repeat_num=h()/fl_height(); // number of lines to scroll
if (!repeat_num) repeat_num=1;
case FL_Page_Up:
#ifdef __APPLE__
if (mods==0) { // scroll text one page
// OS X scrolls the view, but does not move the cursor
// Fl_Input has no scroll control, so instead we move the cursor by one page
repeat_num = linesPerPage();
ascii = ctrl('P');
} else if (mods==FL_ALT) { // move cursor one page
repeat_num = linesPerPage();
ascii = ctrl('P');
} else return 1;
break;
#else
repeat_num = linesPerPage();
// fall through
#endif
case FL_Up:
#ifdef __APPLE__
if (mods==0) { // line up
ascii = ctrl('P');
} else if (mods==FL_CTRL) {
return 1; // FIXME scroll text down one page
// FIXME Fl_Inut_ does not support an independent scroll value
// (heck, it doesn't even support a scrollbar - what do you expect ;-)
} else if (mods==FL_CTRL) { // scroll text down one page
// OS X scrolls the view, but does not move the cursor
// Fl_Input has no scroll control, so instead we move the cursor by one page
repeat_num = linesPerPage();
ascii = ctrl('P');
} else if (mods==FL_ALT) { // line start and up
if (line_start(position())==position() && position()>0)
return shift_position(line_start(position()-1)) + NORMAL_INPUT_MOVE;
@ -214,21 +244,37 @@ int Fl_Input::handle_key() {
#else
if (mods==0) { // line up
ascii = ctrl('P');
} else if (mods==FL_CTRL) {
return 1; // FIXME scroll text down one line
} else if (mods==FL_CTRL) { // scroll text down one line
// Fl_Input has no scroll control, so instead we move the cursor by one page
ascii = ctrl('P');
} else return 1;
#endif
break;
case FL_Page_Down: // FIXME
fl_font(textfont(),textsize());
repeat_num=h()/fl_height();
if (!repeat_num) repeat_num=1;
case FL_Page_Down:
#ifdef __APPLE__
if (mods==0) { // scroll text one page
// OS X scrolls the view, but does not move the cursor
// Fl_Input has no scroll control, so instead we move the cursor by one page
repeat_num = linesPerPage();
ascii = ctrl('N');
} else if (mods==FL_ALT) { // move cursor one page
repeat_num = linesPerPage();
ascii = ctrl('N');
} else return 1;
break;
#else
repeat_num = linesPerPage();
// fall through
#endif
case FL_Down:
#ifdef __APPLE__
if (mods==0) { // line down
ascii = ctrl('N');
} else if (mods==FL_CTRL) {
return 1; // FIXME scroll text up one page
// OS X scrolls the view, but does not move the cursor
// Fl_Input has no scroll control, so instead we move the cursor by one page
repeat_num = linesPerPage();
ascii = ctrl('N');
} else if (mods==FL_ALT) { // line end and down
if (line_end(position())==position() && position()<size())
return shift_position(line_end(position()+1)) + NORMAL_INPUT_MOVE;
@ -241,15 +287,19 @@ int Fl_Input::handle_key() {
#else
if (mods==0) { // line down
ascii = ctrl('N');
} else if (mods==FL_CTRL) {
return 1; // FIXME scroll text up one line
} else if (mods==FL_CTRL) { // scroll text up one line
// Fl_Input has no scroll control, so instead we move the cursor by one page
ascii = ctrl('N');
} else return 1;
#endif
break;
case FL_Home:
#ifdef __APPLE__
if (mods==0) {
return 1; // FIXME scroll display to the top
if (mods==0) { // scroll display to the top
// OS X scrolls the view, but does not move the cursor
// Fl_Input has no scroll control, so instead we move the cursor by one page
shift_position(0);
return 1;
} else return 1;
#else
if (mods==0) {
@ -262,8 +312,11 @@ int Fl_Input::handle_key() {
break;
case FL_End:
#ifdef __APPLE__
if (mods==0) {
return 1; // FIXME scroll display to the bottom
if (mods==0) { // scroll display to the bottom
// OS X scrolls the view, but does not move the cursor
// Fl_Input has no scroll control, so instead we move the cursor by one page
shift_position(size());
return 1;
} else return 1;
#else
if (mods==0) {

10
src/Fl_Input_.cxx
View File

@ -1024,6 +1024,16 @@ Fl_Input_::~Fl_Input_() {
if (bufsize) free((void*)buffer);
}
int Fl_Input_::linesPerPage() {
int n = 1;
if (input_type() == FL_MULTILINE_INPUT) {
fl_font(textfont(),textsize()); //ensure current font is set to ours
n = h()/fl_height(); // number of lines to scroll
if (n<=0) n = 1;
}
return n;
}
//
// End of "$Id$".
//

27
src/Fl_Text_Buffer.cxx
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@ -83,27 +83,6 @@ static int undocut; // number of characters deleted there
static int undoinsert; // number of characters inserted
static int undoyankcut; // length of valid contents of buffer, even if undocut=0
static int utf_len(char c)
{
if (!(c & 0x80)) return 1;
if (c & 0x40) {
if (c & 0x20) {
if (c & 0x10) {
if (c & 0x08) {
if (c & 0x04) {
return 6;
}
return 5;
}
return 4;
}
return 3;
}
return 2;
}
return 0;
}
static void undobuffersize(int n) {
if (n > undobufferlength) {
if (undobuffer) {
@ -991,7 +970,7 @@ int Fl_Text_Buffer::expand_character(int pos, int indent, char *outStr) {
mTabDist, mNullSubsChar);
if (ret > 1 && (c & 0x80)) {
int i;
i = utf_len(c);
i = fl_utf8len(c);
while (i > 1) {
i--;
pos++;
@ -1040,7 +1019,7 @@ int Fl_Text_Buffer::expand_character(char c, int indent, char *outStr, int tabDi
return 0;
} else if (c & 0x80) {
*outStr = c;
return utf_len(c);
return fl_utf8len(c);
}
/* Otherwise, just return the character */
@ -1068,7 +1047,7 @@ int Fl_Text_Buffer::character_width(char c, int indent, int tabDist, char nullSu
else if ((c & 0x80) && !(c & 0x40))
return 0;
else if (c & 0x80) {
return utf_len(c);
return fl_utf8len(c);
}
return 1;
}

35
src/Fl_Text_Display.cxx
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@ -77,27 +77,6 @@ static int scroll_x = 0;
// CET - FIXME
#define TMPFONTWIDTH 6
static int utf_len(char c)
{
if (!(c & 0x80)) return 1;
if (c & 0x40) {
if (c & 0x20) {
if (c & 0x10) {
if (c & 0x08) {
if (c & 0x04) {
return 6;
}
return 5;
}
return 4;
}
return 3;
}
return 2;
}
return 0;
}
/** Creates a new text display widget.*/
Fl_Text_Display::Fl_Text_Display(int X, int Y, int W, int H, const char* l)
: Fl_Group(X, Y, W, H, l) {
@ -872,7 +851,7 @@ int Fl_Text_Display::position_to_xy( int pos, int* X, int* Y ) {
mBuffer->tab_distance(), mBuffer->null_substitution_character() );
if (charLen > 1 && (lineStr[ charIndex ] & 0x80)) {
int i, ii = 0;;
i = utf_len(lineStr[ charIndex ]);
i = fl_utf8len(lineStr[ charIndex ]);
while (i > 1) {
i--;
ii++;
@ -1626,7 +1605,7 @@ void Fl_Text_Display::draw_vline(int visLineNum, int leftClip, int rightClip,
expandedChar, buf->tab_distance(), buf->null_substitution_character() );
if (charIndex < lineLen && charLen > 1 && (lineStr[ charIndex ] & 0x80)) {
int i, ii = 0;;
i = utf_len(lineStr[ charIndex ]);
i = fl_utf8len(lineStr[ charIndex ]);
while (i > 1) {
i--;
ii++;
@ -1664,7 +1643,7 @@ void Fl_Text_Display::draw_vline(int visLineNum, int leftClip, int rightClip,
buf->tab_distance(), buf->null_substitution_character() );
if (charIndex < lineLen && charLen > 1 && (lineStr[ charIndex ] & 0x80)) {
int i, ii = 0;;
i = utf_len(lineStr[ charIndex ]);
i = fl_utf8len(lineStr[ charIndex ]);
while (i > 1) {
i--;
ii++;
@ -1687,7 +1666,7 @@ void Fl_Text_Display::draw_vline(int visLineNum, int leftClip, int rightClip,
*outPtr = expandedChar[ i ];
int l = 1;
if (*outPtr & 0x80) {
l = utf_len(*outPtr);
l = fl_utf8len(*outPtr);
}
charWidth = string_width( &expandedChar[ i ], l, charStyle );
} else
@ -1711,7 +1690,7 @@ void Fl_Text_Display::draw_vline(int visLineNum, int leftClip, int rightClip,
buf->tab_distance(), buf->null_substitution_character() );
if (charIndex < lineLen && charLen > 1 && (lineStr[ charIndex ] & 0x80)) {
int i, ii = 0;;
i = utf_len(lineStr[ charIndex ]);
i = fl_utf8len(lineStr[ charIndex ]);
while (i > 1) {
i--;
ii++;
@ -1734,7 +1713,7 @@ void Fl_Text_Display::draw_vline(int visLineNum, int leftClip, int rightClip,
*outPtr = expandedChar[ i ];
int l = 1;
if (*outPtr & 0x80) {
l = utf_len(*outPtr);
l = fl_utf8len(*outPtr);
}
charWidth = string_width( &expandedChar[ i ], l, charStyle );
} else
@ -2071,7 +2050,7 @@ int Fl_Text_Display::xy_to_position( int X, int Y, int posType ) {
mBuffer->tab_distance(), mBuffer->null_substitution_character() );
if (charLen > 1 && (lineStr[ charIndex ] & 0x80)) {
int i, ii = 0;;
i = utf_len(lineStr[ charIndex ]);
i = fl_utf8len(lineStr[ charIndex ]);
while (i > 1) {
i--;
ii++;

24
src/Fl_Text_Editor.cxx
View File

@ -34,26 +34,6 @@
#include <FL/Fl_Text_Editor.H>
#include <FL/fl_ask.H>
static int utf_len(char c)
{
if (!(c & 0x80)) return 1;
if (c & 0x40) {
if (c & 0x20) {
if (c & 0x10) {
if (c & 0x08) {
if (c & 0x04) {
return 6;
}
return 5;
}
return 4;
}
return 3;
}
return 2;
}
return 0;
}
/* Keyboard Control Matrix
@ -268,7 +248,7 @@ int Fl_Text_Editor::kf_backspace(int, Fl_Text_Editor* e) {
int l = 1;
char c = e->buffer()->character(e->insert_position());
if (c & 0x80 && c & 0x40) {
l = utf_len(c);
l = fl_utf8len(c);
}
e->buffer()->select(e->insert_position(), e->insert_position()+l);
}
@ -429,7 +409,7 @@ int Fl_Text_Editor::kf_delete(int, Fl_Text_Editor* e) {
int l = 1;
char c = e->buffer()->character(e->insert_position());
if (c & 0x80 && c & 0x40) {
l = utf_len(c);
l = fl_utf8len(c);
}
e->buffer()->select(e->insert_position(), e->insert_position()+l);
}

3
src/fl_draw_image_mac.cxx
View File

@ -75,7 +75,8 @@ static void innards(const uchar *buf, int X, int Y, int W, int H,
lut = CGColorSpaceCreateDeviceRGB();
CGDataProviderRef src = CGDataProviderCreateWithData( 0L, array, linedelta*H, 0L);
CGImageRef img = CGImageCreate( W, H, 8, 8*delta, linedelta,
lut, delta&1?kCGImageAlphaNone:kCGImageAlphaNoneSkipLast,
//lut, delta&1?kCGImageAlphaNone:kCGImageAlphaNoneSkipLast,
lut, delta&1?kCGImageAlphaNone:kCGImageAlphaLast,
src, 0L, false, kCGRenderingIntentDefault);
// draw the image into the destination context
if (img) {

7
src/fl_utf.c
View File

@ -28,6 +28,11 @@
#include <string.h>
#include <stdlib.h>
/** \addtogroup fl_unicode
@{
*/
#if 0
/**
\defgroup fl_unichar Unicode Character Functions
@ -844,3 +849,5 @@ int fl_utf8test(const char* src, unsigned srclen) {
}
return ret;
}
/** @} */

6
src/fl_utf8.cxx
View File

@ -76,6 +76,10 @@ extern "C" {
#undef fl_open
/** \addtogroup fl_unicode
@{
*/
/*** NOTE : all functions are LIMITED to 24 bits Unicode values !!! ***/
/*** but only 16 bits are really used under Linux and win32 ***/
@ -793,6 +797,8 @@ void fl_make_path_for_file( const char *path )
free( p );
}
/** @} */
//
// End of "$Id: $".
//

12
test/unittest_images.cxx
View File

@ -42,10 +42,10 @@ public:
drgba = img_rgba = (uchar*)malloc(128*128*4);
for (y=0; y<128; y++) {
for (x=0; x<128; x++) {
*drgb++ = *drgba = *dg++ = *dga++ = y<<1;
*drgb++ = *drgba = x<<1;
*drgb++ = *drgba = (127-x)<<1;
*dga++ = *drgba = x+y;
*drgba++ = *drgb++ = *dga++ = *dg++ = y<<1;
*drgba++ = *drgb++ = x<<1;
*drgba++ = *drgb++ = (127-x)<<1;
*drgba++ = *dga++ = x+y;
}
}
return new ImageTest(TESTAREA_X, TESTAREA_Y, TESTAREA_W, TESTAREA_H);
@ -64,20 +64,24 @@ public:
}
void draw() {
Fl_Box::draw();
int xx = x()+10, yy = y()+10;
fl_color(FL_BLACK); fl_rect(xx, yy, 130, 130);
fl_draw_image(img_rgb, xx+1, yy+1, 128, 128, 3);
fl_draw("RGB", xx+134, yy+64);
xx = x()+10; yy = y()+10+134;
fl_color(FL_BLACK); fl_rectf(xx, yy, 130, 130);
fl_color(FL_WHITE); fl_rectf(xx+1, yy+1, 64, 64);
fl_color(FL_WHITE); fl_rectf(xx+65, yy+65, 64, 64);
fl_draw_image(img_rgba, xx+1, yy+1, 128, 128, 4);
fl_color(FL_BLACK); fl_draw("RGBA", xx+134, yy+64);
xx = x()+10+200; yy = y()+10;
fl_color(FL_BLACK); fl_rect(xx, yy, 130, 130);
fl_draw_image(img_gray, xx+1, yy+1, 128, 128, 1);
fl_draw("Gray", xx+134, yy+64);
xx = x()+10+200; yy = y()+10+134;
fl_color(FL_BLACK); fl_rectf(xx, yy, 130, 130);
fl_color(FL_WHITE); fl_rectf(xx+1, yy+1, 64, 64);