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Small fix.

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This commit is contained in:
dan
2000-06-24 22:43:07 +00:00
parent 19a92de3e6
commit b50d6e566c
1 changed files with 77 additions and 59 deletions
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136
WINGs/wtext.c
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@@ -20,6 +20,23 @@
#include <ctype.h> #include <ctype.h>
typedef enum {
ctText=0,
ctImage=1
} ChunkType;
typedef enum {
dtDelete=0,
dtBackSpace
} DeleteType;
typedef enum {
wrWord=0,
wrChar=1,
wrNone=2
} Wrapping;
void wgdbFree(void *ptr) void wgdbFree(void *ptr)
{ {
if(!ptr) printf("err... cannot "); if(!ptr) printf("err... cannot ");
@@ -28,11 +45,7 @@ void wgdbFree(void *ptr)
} }
typedef enum {ctText=0, ctImage=1} ChunkType; /* Why single-linked and not say double-linked?
typedef enum { dtDelete=0, dtBackSpace } DeleteType;
typedef enum {wrWord=0, wrChar=1, wrNone=2} Wrapping;
/* Why singly-linked and not say doubly-linked?
99% of the time (draw, append), the "prior" 99% of the time (draw, append), the "prior"
member would have been a useless memory and CPU overhead, member would have been a useless memory and CPU overhead,
and deletes _are_ relatively infrequent. and deletes _are_ relatively infrequent.
@@ -40,52 +53,54 @@ typedef enum {wrWord=0, wrChar=1, wrNone=2} Wrapping;
doing things the hard way will be incurred... but seldomly. */ doing things the hard way will be incurred... but seldomly. */
/* a Chunk is a singly-linked list of chunks containing: /* a Chunk is a single-linked list of chunks containing:
o text with a given format * o text with a given format
o or an image * o or an image
o but NOT both */ * o but NOT both
*/
typedef struct _Chunk { typedef struct _Chunk {
char *text; /* the text in the chunk */ char *text; /* the text in the chunk */
WMPixmap *pixmap; /* OR the pixmap it holds */ WMPixmap *pixmap; /* OR the pixmap it holds */
short chars; /* the number of characters in this chunk */ short chars; /* the number of characters in this chunk */
short mallocedSize; /* the number of characters that can be held */ short mallocedSize; /* the number of characters that can be held */
WMFont *font; /* the chunk's font */ WMFont *font; /* the chunk's font */
WMColor *color; /* the chunk's color */ WMColor *color; /* the chunk's color */
short ul:1; /* underlined or not */ short ul:1; /* underlined or not */
ChunkType type:1; /* a "Text" or "Image" chunk */ ChunkType type:1; /* a "Text" or "Image" chunk */
short script:4; /* script in points: negative for subscript */ short script:4; /* script in points: negative for subscript */
/* hrmm selec... */ /* hrmm selec... */
ushort selected; ushort selected;
ushort sStart; ushort sStart;
ushort sEnd; ushort sEnd;
ushort RESERVED:10; ushort RESERVED:10;
struct _Chunk *next;/*the next member in this list */ struct _Chunk *next; /*the next member in this list */
}Chunk; } Chunk;
/* a Paragraph is a singly-linked list of paragraphs containing: /* a Paragraph is a singly-linked list of paragraphs containing:
o a list of chunks in that paragraph * o a list of chunks in that paragraph
o the formats for that paragraph * o the formats for that paragraph
o its (draw) position relative to the entire document */ * o its (draw) position relative to the entire document
*/
typedef struct _Paragraph { typedef struct _Paragraph {
Chunk *chunks; /* the list of text and/or image chunks */ Chunk *chunks; /* the list of text and/or image chunks */
short fmargin; /* the start position of the first line */ short fmargin; /* the start position of the first line */
short bmargin; /* the start positions of the rest of the lines */ short bmargin; /* the start positions of the rest of the lines */
short rmargin; /* the end position of the entire paragraph */ short rmargin; /* the end position of the entire paragraph */
short numTabs; /* the number of tabstops */ short numTabs; /* the number of tabstops */
short *tabstops; /* an array of tabstops */ short *tabstops; /* an array of tabstops */
Pixmap drawbuffer; /* the pixmap onto which the (entire) Pixmap drawbuffer; /* the pixmap onto which the (entire)
paragraph will be drawn */ paragraph will be drawn */
WMPixmap *bulletPix;/* the pixmap to use for bulleting */ WMPixmap *bulletPix; /* the pixmap to use for bulleting */
int top; /* the top of the paragraph relative to document */ int top; /* the top of the paragraph relative to document */
int bottom; /* the bottom of the paragraph relative to document */ int bottom; /* the bottom of the paragraph relative to document */
int width; /* the width of the paragraph */ int width; /* the width of the paragraph */
int height; /* the height of the paragraph */ int height; /* the height of the paragraph */
WMAlignment align:2;/* justification of this paragraph */ WMAlignment align:2; /* justification of this paragraph */
ushort RESERVED:14; ushort RESERVED:14;
struct _Paragraph *next; /* the next member in this list */ struct _Paragraph *next; /* the next member in this list */
@@ -101,11 +116,12 @@ static char *default_bullet[] = {
".XX..o", ".XX..o",
".....o", ".....o",
" ...oo", " ...oo",
" ooo "}; " ooo "
};
/* this is really a shrunk down version of the original /* this is really a shrunk down version of the original
"broken" icon... I did not draw it, I simply shrunk it */ "broken" icon... I did not draw it, I simply shrunk it */
static char * unk_xpm[] = { static char * unk_xpm[] = {
"24 24 17 1", "24 24 17 1",
" c None", ". c #0B080C", "+ c #13A015", "@ c #5151B8", " c None", ". c #0B080C", "+ c #13A015", "@ c #5151B8",
"# c #992719", "$ c #5B1C20", "% c #1DF51D", "& c #D1500D", "* c #2F304A", "# c #992719", "$ c #5B1C20", "% c #1DF51D", "& c #D1500D", "* c #2F304A",
@@ -134,50 +150,51 @@ static char *default_bullet[] = {
"............**@)!)>->...", "............**@)!)>->...",
"........................", "........................",
"........................", "........................",
"........................"}; "........................"
};
typedef struct W_Text { typedef struct W_Text {
W_Class widgetClass; /* the class number of this widget */ W_Class widgetClass; /* the class number of this widget */
W_View *view; /* the view referring to this instance */ W_View *view; /* the view referring to this instance */
WMColor *bg; /* the background color to use when drawing */ WMColor *bg; /* the background color to use when drawing */
WMRuler *ruler; /* the ruler subwiget to maipulate paragraphs */ WMRuler *ruler; /* the ruler subwiget to maipulate paragraphs */
WMScroller *hscroller; /* the horizontal scroller */ WMScroller *hscroller; /* the horizontal scroller */
short hpos; /* the current horizontal position */ short hpos; /* the current horizontal position */
short prevHpos; /* the previous horizontal position */ short prevHpos; /* the previous horizontal position */
WMScroller *vscroller; /* the vertical scroller */ WMScroller *vscroller; /* the vertical scroller */
int vpos; /* the current vertical position */ int vpos; /* the current vertical position */
int prevVpos; /* the previous vertical position */ int prevVpos; /* the previous vertical position */
int visibleW; /* the actual horizontal space available */ int visibleW; /* the actual horizontal space available */
int visibleH; /* the actual vertical space available */ int visibleH; /* the actual vertical space available */
Paragraph *paragraphs; /* the linked list of the paragraphs in the doc. */ Paragraph *paragraphs; /* the linked list of the paragraphs in the doc. */
int docWidth; /* the width of the entire document */ int docWidth; /* the width of the entire document */
int docHeight; /* the height of the entire document */ int docHeight; /* the height of the entire document */
WMFont *dFont; /* the default font */ WMFont *dFont; /* the default font */
WMColor *dColor; /* the default color */ WMColor *dColor; /* the default color */
WMPixmap *dBulletPix; /* the default pixmap for bullets */ WMPixmap *dBulletPix; /* the default pixmap for bullets */
WMPixmap *dUnknownImg; /* the pixmap for (missing/broken) images */ WMPixmap *dUnknownImg; /* the pixmap for (missing/broken) images */
WMRect sRect; /* the selected area */ WMRect sRect; /* the selected area */
Paragraph *currentPara; /* the current paragraph, in which actions occur */ Paragraph *currentPara; /* the current paragraph, in which actions occur */
Chunk *currentChunk; /* the current chunk, about which actions occur */ Chunk *currentChunk; /* the current chunk, about which actions occur */
short tpos; /* the cursor position (text position) */ short tpos; /* the cursor position (text position) */
WMParseAction *parser; /* what action to use to parse input text */ WMParseAction *parser; /* what action to use to parse input text */
WMParseAction *writer; /* what action to use to write text */ WMParseAction *writer; /* what action to use to write text */
WMParserActions funcs; /* the "things" that parsers/writers might do */ WMParserActions funcs; /* the "things" that parsers/writers might do */
XPoint clicked; /* the position of the last mouse click */ XPoint clicked; /* the position of the last mouse click */
XPoint cursor; /* where the cursor is "placed" */ XPoint cursor; /* where the cursor is "placed" */
short clheight; /* the height of the "line" clicked on */ short clheight; /* the height of the "line" clicked on */
short clwidth; /* the width of the "line" clicked on */ short clwidth; /* the width of the "line" clicked on */
WMReliefType relief:2; /* the relief to display with */ WMReliefType relief:3; /* the relief to display with */
Wrapping wrapping:2; /* the type of wrapping to use in drawing */ Wrapping wrapping:2; /* the type of wrapping to use in drawing */
WMAlignment dAlignment:2;/* default justification */ WMAlignment dAlignment:2; /* default justification */
ushort monoFont:1; /* whether to ignore "rich" commands */ ushort monoFont:1; /* whether to ignore "rich" commands */
ushort fixedPitch:1; /* assume each char in dFont is the same size */ ushort fixedPitch:1; /* assume each char in dFont is the same size */
ushort editable:1; /* whether to accept user changes or not*/ ushort editable:1; /* whether to accept user changes or not*/
@@ -185,13 +202,13 @@ typedef struct W_Text {
ushort cursorShown:1; /* whether the cursor is currently being shown */ ushort cursorShown:1; /* whether the cursor is currently being shown */
ushort frozen:1; /* whether screen updates are to be made */ ushort frozen:1; /* whether screen updates are to be made */
ushort focused:1; /* whether this instance has input focus */ ushort focused:1; /* whether this instance has input focus */
ushort pointerGrabbed:1;/* whether this instance has the pointer */ ushort pointerGrabbed:1; /* whether this instance has the pointer */
ushort buttonHeld:1; /* the user is still holding down the button */ ushort buttonHeld:1; /* the user is still holding down the button */
ushort ignoreNewLine:1; /* whether to ignore the newline character */ ushort ignoreNewLine:1; /* whether to ignore the newline character */
ushort waitingForSelection:1; /* whether there is a pending paste event */ ushort waitingForSelection:1; /* whether there is a pending paste event */
ushort ownsSelection:1; /* whether it ownz the current selection */ ushort ownsSelection:1; /* whether it ownz the current selection */
ushort findingClickPoint:1;/* whether the search for a clickpoint is on */ ushort findingClickPoint:1; /* whether the search for a clickpoint is on */
ushort foundClickPoint:1;/* whether the clickpoint has been found */ ushort foundClickPoint:1; /* whether the clickpoint has been found */
ushort hasVscroller:1; /* whether to enable the vertical scroller */ ushort hasVscroller:1; /* whether to enable the vertical scroller */
ushort hasHscroller:1; /* whether to enable the horizontal scroller */ ushort hasHscroller:1; /* whether to enable the horizontal scroller */
ushort RESERVED:10; ushort RESERVED:10;
@@ -207,6 +224,7 @@ typedef struct W_Text {
/* max on a line */ /* max on a line */
#define MAX_CHUNX 64 #define MAX_CHUNX 64
#define MIN_DOC_WIDTH 200 #define MIN_DOC_WIDTH 200
typedef struct _LocalMargins { typedef struct _LocalMargins {
short left, right, first, body; short left, right, first, body;
} LocalMargins; } LocalMargins;
@@ -216,7 +234,7 @@ typedef struct _MyTextItems {
WMPixmap *pix; WMPixmap *pix;
short chars; short chars;
short x; short x;
Chunk *chunk;/* used for "click" events */ Chunk *chunk; /* used for "click" events */
short start; /* ditto... where in the chunk we start (ie. wrapped chunk) */ short start; /* ditto... where in the chunk we start (ie. wrapped chunk) */
ushort type:1; ushort type:1;
ushort RESERVED:15; ushort RESERVED:15;