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xwords/xwords4/linux/gtkdraw.c
ehouse d86d2b556a Tweak to support non-ascii utf-8 chars from dicts. Seems to display 
Catalan and Polish fine (on board.)
2009-08-29 16:09:24 +00:00

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/* -*- mode: C; fill-column: 78; c-basic-offset: 4; compile-command: "make MEMDEBUG=TRUE"; -*- */
/*
* Copyright 1997-2008 by Eric House (xwords@eehouse.org). All rights
* reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef PLATFORM_GTK
#include <stdlib.h>
#include <stdio.h>
#include <gdk/gdkdrawable.h>
#include "gtkmain.h"
#include "draw.h"
#include "board.h"
#include "linuxmain.h"
typedef enum {
XP_GTK_JUST_NONE
,XP_GTK_JUST_CENTER
,XP_GTK_JUST_TOPLEFT
,XP_GTK_JUST_BOTTOMRIGHT
} XP_GTK_JUST;
typedef struct FontPerSize {
unsigned int ht;
PangoFontDescription* fontdesc;
PangoLayout* layout;
} FontPerSize;
/* static GdkGC* newGCForColor( GdkWindow* window, XP_Color* newC ); */
static void
gtkInsetRect( XP_Rect* r, short i )
{
r->top += i;
r->left += i;
i *= 2;
r->width -= i;
r->height -= i;
} /* gtkInsetRect */
#if 0
#define DRAW_WHAT(dc) ((dc)->globals->pixmap)
#else
#define DRAW_WHAT(dc) ((dc)->drawing_area->window)
#endif
#define GTKMIN_W_HT 12
static void
gtkFillRect( GtkDrawCtx* dctx, const XP_Rect* rect, const GdkColor* color )
{
gdk_gc_set_foreground( dctx->drawGC, color );
gdk_draw_rectangle( DRAW_WHAT(dctx), dctx->drawGC,
TRUE,
rect->left, rect->top, rect->width,
rect->height );
}
static void
gtkEraseRect( GtkDrawCtx* dctx, const XP_Rect* rect )
{
gdk_draw_rectangle( DRAW_WHAT(dctx),
dctx->drawing_area->style->white_gc,
TRUE, rect->left, rect->top,
rect->width, rect->height );
} /* gtkEraseRect */
static void
frameRect( GtkDrawCtx* dctx, const XP_Rect* rect )
{
gdk_draw_rectangle( DRAW_WHAT(dctx),
dctx->drawGC, FALSE, rect->left, rect->top,
rect->width, rect->height );
} /* frameRect */
#ifdef DRAW_WITH_PRIMITIVES
static void
gtk_prim_draw_setClip( DrawCtx* p_dctx, XP_Rect* newClip, XP_Rect* oldClip)
{
} /* gtk_prim_draw_setClip */
static void
gtk_prim_draw_frameRect( DrawCtx* p_dctx, XP_Rect* rect )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
frameRect( dctx, rect );
} /* gtk_prim_draw_frameRect */
static void
gtk_prim_draw_invertRect( DrawCtx* p_dctx, XP_Rect* rect )
{
/* not sure you can do this on GTK!! */
} /* gtk_prim_draw_invertRect */
static void
gtk_prim_draw_clearRect( DrawCtx* p_dctx, XP_Rect* rect )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
gtkEraseRect( dctx, rect );
} /* gtk_prim_draw_clearRect */
static void
gtk_prim_draw_drawString( DrawCtx* p_dctx, XP_UCHAR* str,
XP_U16 x, XP_U16 y )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
XP_U16 fontHeight = 10; /* FIX ME */
gdk_draw_string( DRAW_WHAT(dctx), dctx->gdkFont, dctx->drawGC,
x, y + fontHeight, str );
} /* gtk_prim_draw_drawString */
static void
gtk_prim_draw_drawBitmap( DrawCtx* p_dctx, XP_Bitmap bm,
XP_U16 x, XP_U16 y )
{
} /* gtk_prim_draw_drawBitmap */
static void
gtk_prim_draw_measureText( DrawCtx* p_dctx, XP_UCHAR* str,
XP_U16* widthP, XP_U16* heightP )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
gint len = strlen(str);
gint width = gdk_text_measure( dctx->gdkFont, str, len );
*widthP = width;
*heightP = 12; /* ??? :-) */
} /* gtk_prim_draw_measureText */
#endif /* DRAW_WITH_PRIMITIVES */
static gint
compForHt( gconstpointer a,
gconstpointer b )
{
FontPerSize* fps1 = (FontPerSize*)a;
FontPerSize* fps2 = (FontPerSize*)b;
return fps1->ht - fps2->ht;
}
static PangoLayout*
layout_for_ht( GtkDrawCtx* dctx, XP_U16 ht )
{
PangoLayout* layout = NULL;
/* Try to find a cached layout. Otherwise create a new one. */
FontPerSize fps = { .ht = ht };
GList* gl = g_list_find_custom( dctx->fontsPerSize, &fps,
compForHt );
if ( NULL != gl ) {
layout = ((FontPerSize*)gl->data)->layout;
}
if ( NULL == layout ) {
FontPerSize* fps = g_malloc( sizeof(*fps) );
dctx->fontsPerSize = g_list_insert( dctx->fontsPerSize,
fps, 0 );
char font[32];
snprintf( font, sizeof(font), "helvetica normal %dpx", ht );
layout = pango_layout_new( dctx->pangoContext );
fps->fontdesc = pango_font_description_from_string( font );
pango_layout_set_font_description( layout, fps->fontdesc );
fps->layout = layout;
/* This only happens first time??? */
pango_layout_set_alignment( layout, PANGO_ALIGN_CENTER );
fps->ht = ht;
}
return layout;
} /* layout_for_ht */
static void
draw_string_at( GtkDrawCtx* dctx, PangoLayout* layout,
const XP_UCHAR* str, XP_U16 fontHt,
const XP_Rect* where, XP_GTK_JUST just,
const GdkColor* frground, const GdkColor* bkgrnd )
{
gint xx = where->left;
gint yy = where->top;
if ( !layout ) {
layout = layout_for_ht( dctx, fontHt );
}
pango_layout_set_text( layout, (char*)str, XP_STRLEN(str) );
if ( just != XP_GTK_JUST_NONE ) {
int width, height;
pango_layout_get_pixel_size( layout, &width, &height );
switch( just ) {
case XP_GTK_JUST_CENTER:
xx += (where->width - width) / 2;
yy += (where->height - height) / 2;
break;
case XP_GTK_JUST_BOTTOMRIGHT:
xx += where->width - width;
yy += where->height - height;
break;
case XP_GTK_JUST_TOPLEFT:
default:
/* nothing to do?? */
break;
}
}
gdk_draw_layout_with_colors( DRAW_WHAT(dctx), dctx->drawGC,
xx, yy, layout,
frground, bkgrnd );
} /* draw_string_at */
static void
drawBitmapFromLBS( GtkDrawCtx* dctx, const XP_Bitmap bm, const XP_Rect* rect )
{
GdkPixmap* pm;
LinuxBMStruct* lbs = (LinuxBMStruct*)bm;
gint x, y;
XP_U8* bp;
XP_U16 i;
XP_S16 nBytes;
XP_U16 nCols, nRows;
nCols = lbs->nCols;
nRows = lbs->nRows;
bp = (XP_U8*)(lbs + 1); /* point to the bitmap data */
nBytes = lbs->nBytes;
pm = gdk_pixmap_new( DRAW_WHAT(dctx), nCols, nRows, -1 );
gdk_draw_rectangle( pm, dctx->drawing_area->style->white_gc, TRUE,
0, 0, nCols, nRows );
x = 0;
y = 0;
while ( nBytes-- ) {
XP_U8 byte = *bp++;
for ( i = 0; i < 8; ++i ) {
XP_Bool draw = ((byte & 0x80) != 0);
if ( draw ) {
gdk_draw_point( pm, dctx->drawing_area->style->black_gc, x, y );
}
byte <<= 1;
if ( ++x == nCols ) {
x = 0;
if ( ++y == nRows ) {
break;
}
}
}
}
XP_ASSERT( nBytes == -1 ); /* else we're out of sync */
gdk_draw_drawable( DRAW_WHAT(dctx),
dctx->drawGC,
(GdkDrawable*)pm, 0, 0,
rect->left+2,
rect->top+2,
lbs->nCols,
lbs->nRows );
g_object_unref( pm );
} /* drawBitmapFromLBS */
static void
freer( gpointer data, gpointer XP_UNUSED(user_data) )
{
FontPerSize* fps = (FontPerSize*)data;
pango_font_description_free( fps->fontdesc );
g_object_unref( fps->layout );
g_free( fps );
}
static void
gtk_draw_destroyCtxt( DrawCtx* p_dctx )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
GtkAllocation* alloc = &dctx->drawing_area->allocation;
gdk_draw_rectangle( DRAW_WHAT(dctx),
dctx->drawing_area->style->white_gc,
TRUE,
0, 0, alloc->width, alloc->height );
g_list_foreach( dctx->fontsPerSize, freer, NULL );
g_list_free( dctx->fontsPerSize );
g_object_unref( dctx->pangoContext );
} /* gtk_draw_destroyCtxt */
static void
gtk_draw_dictChanged( DrawCtx* XP_UNUSED(p_dctx),
const DictionaryCtxt* XP_UNUSED(dict) )
{
}
static XP_Bool
gtk_draw_boardBegin( DrawCtx* p_dctx, const XP_Rect* rect,
DrawFocusState XP_UNUSED(dfs) )
{
GdkRectangle gdkrect;
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
gdk_gc_set_foreground( dctx->drawGC, &dctx->black );
gdkrect = *(GdkRectangle*)rect;
++gdkrect.width;
++gdkrect.height;
/* gdk_gc_set_clip_rectangle( dctx->drawGC, &gdkrect ); */
return XP_TRUE;
} /* draw_finish */
static void
gtk_draw_objFinished( DrawCtx* XP_UNUSED(p_dctx),
BoardObjectType XP_UNUSED(typ),
const XP_Rect* XP_UNUSED(rect),
DrawFocusState XP_UNUSED(dfs) )
{
} /* draw_finished */
static XP_Bool
gtk_draw_vertScrollBoard( DrawCtx* p_dctx, XP_Rect* rect,
XP_S16 dist, DrawFocusState XP_UNUSED(dfs) )
{
/* Turn this on to mimic what palm does, but need to figure out some gtk
analog to copybits for it to actually work. */
#if 1
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
XP_Bool down = dist <= 0;
gint ysrc, ydest;
if ( down ) {
ysrc = rect->top;
dist = -dist; /* make it positive */
ydest = ysrc + dist;
} else {
ydest = rect->top;
ysrc = ydest + dist;
}
gdk_draw_drawable( DRAW_WHAT(dctx),
dctx->drawGC,
DRAW_WHAT(dctx),
rect->left,
ysrc,
rect->left,
ydest,
rect->width,
rect->height - dist );
if ( !down ) {
rect->top += rect->height - dist;
}
rect->height = dist;
#endif
return XP_TRUE;
}
static void
drawHintBorders( GtkDrawCtx* dctx, const XP_Rect* rect, HintAtts hintAtts)
{
if ( hintAtts != HINT_BORDER_NONE && hintAtts != HINT_BORDER_CENTER ) {
XP_Rect lrect = *rect;
gtkInsetRect( &lrect, 1 );
gdk_gc_set_foreground( dctx->drawGC, &dctx->black );
if ( (hintAtts & HINT_BORDER_LEFT) != 0 ) {
gdk_draw_rectangle( DRAW_WHAT(dctx),
dctx->drawGC,
FALSE, lrect.left, lrect.top,
0, lrect.height);
}
if ( (hintAtts & HINT_BORDER_TOP) != 0 ) {
gdk_draw_rectangle( DRAW_WHAT(dctx),
dctx->drawGC,
FALSE, lrect.left, lrect.top,
lrect.width, 0/*rectInset.height*/);
}
if ( (hintAtts & HINT_BORDER_RIGHT) != 0 ) {
gdk_draw_rectangle( DRAW_WHAT(dctx),
dctx->drawGC,
FALSE, lrect.left+lrect.width,
lrect.top,
0, lrect.height);
}
if ( (hintAtts & HINT_BORDER_BOTTOM) != 0 ) {
gdk_draw_rectangle( DRAW_WHAT(dctx),
dctx->drawGC,
FALSE, lrect.left,
lrect.top+lrect.height,
lrect.width, 0 );
}
}
}
static XP_Bool
gtk_draw_drawCell( DrawCtx* p_dctx, const XP_Rect* rect, const XP_UCHAR* letter,
const XP_Bitmaps* bitmaps, Tile XP_UNUSED(tile),
XP_S16 owner, XWBonusType bonus, HintAtts hintAtts,
CellFlags flags )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
XP_Rect rectInset = *rect;
XP_Bool showGrid = dctx->globals->gridOn;
XP_Bool highlight = (flags & CELL_HIGHLIGHT) != 0;
GdkColor* cursor =
((flags & CELL_ISCURSOR) != 0) ? &dctx->cursor : NULL;
gtkEraseRect( dctx, rect );
gtkInsetRect( &rectInset, 1 );
if ( showGrid ) {
gdk_gc_set_foreground( dctx->drawGC, &dctx->black );
gdk_draw_rectangle( DRAW_WHAT(dctx),
dctx->drawGC,
FALSE,
rect->left, rect->top, rect->width,
rect->height );
}
/* We draw just an empty, potentially colored, square IFF there's nothing
in the cell or if CELL_DRAGSRC is set */
if ( (flags & (CELL_DRAGSRC|CELL_ISEMPTY)) != 0 ) {
if ( !!cursor || bonus != BONUS_NONE ) {
GdkColor* foreground;
if ( !!cursor ) {
foreground = cursor;
} else if ( bonus != BONUS_NONE ) {
foreground = &dctx->bonusColors[bonus-1];
} else {
foreground = NULL;
}
if ( !!foreground ) {
gdk_gc_set_foreground( dctx->drawGC, foreground );
gdk_draw_rectangle( DRAW_WHAT(dctx), dctx->drawGC, TRUE,
rectInset.left, rectInset.top,
rectInset.width+1, rectInset.height+1 );
}
}
if ( (flags & CELL_ISSTAR) != 0 ) {
draw_string_at( dctx, NULL, "*", rect->height, rect,
XP_GTK_JUST_CENTER, &dctx->black, NULL );
}
} else if ( !!bitmaps ) {
drawBitmapFromLBS( dctx, bitmaps->bmps[0], rect );
} else if ( !!letter ) {
GdkColor* foreground;
if ( cursor ) {
gdk_gc_set_foreground( dctx->drawGC, cursor );
} else if ( !highlight ) {
gdk_gc_set_foreground( dctx->drawGC, &dctx->tileBack );
}
gdk_draw_rectangle( DRAW_WHAT(dctx), dctx->drawGC, TRUE,
rectInset.left, rectInset.top,
rectInset.width+1, rectInset.height+1 );
foreground = highlight? &dctx->white : &dctx->playerColors[owner];
draw_string_at( dctx, NULL, letter, rectInset.height-2, &rectInset,
XP_GTK_JUST_CENTER, foreground, cursor );
if ( (flags & CELL_ISBLANK) != 0 ) {
gdk_draw_arc( DRAW_WHAT(dctx), dctx->drawGC,
0, /* filled */
rect->left, /* x */
rect->top, /* y */
rect->width,/*width, */
rect->height,/*width, */
0, 360*64 );
}
}
drawHintBorders( dctx, rect, hintAtts );
return XP_TRUE;
} /* gtk_draw_drawCell */
static void
gtk_draw_invertCell( DrawCtx* XP_UNUSED(p_dctx),
const XP_Rect* XP_UNUSED(rect) )
{
/* GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx; */
/* (void)gtk_draw_drawMiniWindow( p_dctx, "f", rect); */
/* GdkGCValues values; */
/* gdk_gc_get_values( dctx->drawGC, &values ); */
/* gdk_gc_set_function( dctx->drawGC, GDK_INVERT ); */
/* gdk_gc_set_clip_rectangle( dctx->drawGC, (GdkRectangle*)rect ); */
/* gdk_draw_rectangle( DRAW_WHAT(dctx), dctx->drawGC, */
/* TRUE, rect->left, rect->top, */
/* rect->width, rect->height ); */
/* gdk_gc_set_function( dctx->drawGC, values.function ); */
} /* gtk_draw_invertCell */
static XP_Bool
gtk_draw_trayBegin( DrawCtx* p_dctx, const XP_Rect* XP_UNUSED(rect),
XP_U16 owner, DrawFocusState dfs )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
dctx->trayOwner = owner;
dctx->topFocus = dfs == DFS_TOP;
return XP_TRUE;
} /* gtk_draw_trayBegin */
static void
gtkDrawTileImpl( DrawCtx* p_dctx, const XP_Rect* rect, const XP_UCHAR* textP,
const XP_Bitmaps* bitmaps, XP_U16 val, CellFlags flags,
XP_Bool clearBack )
{
XP_UCHAR numbuf[3];
gint len;
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
XP_Rect insetR = *rect;
XP_Bool isCursor = (flags & CELL_ISCURSOR) != 0;
XP_Bool valHidden = (flags & CELL_VALHIDDEN) != 0;
XP_Bool notEmpty = (flags & CELL_ISEMPTY) == 0;
if ( clearBack ) {
gtkEraseRect( dctx, &insetR );
}
if ( isCursor || notEmpty ) {
GdkColor* foreground = &dctx->playerColors[dctx->trayOwner];
XP_Rect formatRect = insetR;
gtkInsetRect( &insetR, 1 );
if ( clearBack ) {
gtkFillRect( dctx, &insetR,
isCursor ? &dctx->cursor : &dctx->tileBack );
}
formatRect.left += 3;
formatRect.width -= 6;
if ( notEmpty ) {
if ( !!bitmaps ) {
drawBitmapFromLBS( dctx, bitmaps->bmps[1], &insetR );
} else if ( !!textP ) {
if ( *textP != LETTER_NONE ) { /* blank */
draw_string_at( dctx, NULL, textP, formatRect.height>>1,
&formatRect, XP_GTK_JUST_TOPLEFT,
foreground, NULL );
}
}
if ( !valHidden ) {
XP_SNPRINTF( numbuf, VSIZE(numbuf), "%d", val );
len = XP_STRLEN( numbuf );
draw_string_at( dctx, NULL, numbuf, formatRect.height>>2,
&formatRect, XP_GTK_JUST_BOTTOMRIGHT,
foreground, NULL );
}
}
/* frame the tile */
gdk_gc_set_foreground( dctx->drawGC, &dctx->black );
gdk_draw_rectangle( DRAW_WHAT(dctx),
dctx->drawGC,
FALSE,
insetR.left, insetR.top, insetR.width,
insetR.height );
if ( (flags & CELL_HIGHLIGHT) != 0 ) {
gtkInsetRect( &insetR, 1 );
gdk_draw_rectangle( DRAW_WHAT(dctx),
dctx->drawGC,
FALSE, insetR.left, insetR.top,
insetR.width, insetR.height);
}
}
} /* gtkDrawTileImpl */
static void
gtk_draw_drawTile( DrawCtx* p_dctx, const XP_Rect* rect, const XP_UCHAR* textP,
const XP_Bitmaps* bitmaps, XP_U16 val, CellFlags flags )
{
gtkDrawTileImpl( p_dctx, rect, textP, bitmaps, val, flags, XP_TRUE );
}
#ifdef POINTER_SUPPORT
static void
gtk_draw_drawTileMidDrag( DrawCtx* p_dctx, const XP_Rect* rect,
const XP_UCHAR* textP, const XP_Bitmaps* bitmaps,
XP_U16 val, XP_U16 owner, CellFlags flags )
{
gtk_draw_trayBegin( p_dctx, rect, owner, DFS_NONE );
gtkDrawTileImpl( p_dctx, rect, textP, bitmaps, val,
flags | CELL_HIGHLIGHT, XP_FALSE );
}
#endif
static void
gtk_draw_drawTileBack( DrawCtx* p_dctx, const XP_Rect* rect,
CellFlags flags )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
XP_Bool hasCursor = (flags & CELL_ISCURSOR) != 0;
XP_Rect r = *rect;
gtkInsetRect( &r, 1 );
gtkFillRect( dctx, &r, &dctx->playerColors[dctx->trayOwner] );
gtkInsetRect( &r, 1 );
gtkFillRect( dctx, &r, hasCursor? &dctx->cursor : &dctx->tileBack );
draw_string_at( dctx, NULL, "?", r.height,
&r, XP_GTK_JUST_CENTER,
&dctx->playerColors[dctx->trayOwner], NULL );
} /* gtk_draw_drawTileBack */
static void
gtk_draw_drawTrayDivider( DrawCtx* p_dctx, const XP_Rect* rect,
CellFlags flags )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
XP_Rect r = *rect;
XP_Bool selected = 0 != (flags & CELL_HIGHLIGHT);
XP_Bool isCursor = 0 != (flags & CELL_ISCURSOR);
gtkEraseRect( dctx, &r );
gtkFillRect( dctx, &r, isCursor? &dctx->cursor:&dctx->white );
r.left += 2;
r.width -= 4;
if ( selected ) {
--r.height;
}
gdk_gc_set_foreground( dctx->drawGC, &dctx->black );
gdk_draw_rectangle( DRAW_WHAT(dctx),
dctx->drawGC,
!selected,
r.left, r.top, r.width, r.height);
} /* gtk_draw_drawTrayDivider */
static void
gtk_draw_clearRect( DrawCtx* p_dctx, const XP_Rect* rectP )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
XP_Rect rect = *rectP;
++rect.width;
++rect.top;
gtkEraseRect( dctx, &rect );
} /* gtk_draw_clearRect */
static void
gtk_draw_drawBoardArrow( DrawCtx* p_dctx, const XP_Rect* rectP,
XWBonusType XP_UNUSED(cursorBonus), XP_Bool vertical,
HintAtts hintAtts, CellFlags XP_UNUSED(flags) )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
const XP_UCHAR* curs = vertical? "|":"-";
/* font needs to be small enough that "|" doesn't overwrite cell below */
draw_string_at( dctx, NULL, curs, (rectP->height*2)/3,
rectP, XP_GTK_JUST_CENTER,
&dctx->black, NULL );
drawHintBorders( dctx, rectP, hintAtts );
} /* gtk_draw_drawBoardCursor */
static void
gtk_draw_scoreBegin( DrawCtx* p_dctx, const XP_Rect* rect,
XP_U16 XP_UNUSED(numPlayers),
DrawFocusState dfs )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
/* gdk_gc_set_clip_rectangle( dctx->drawGC, (GdkRectangle*)rect ); */
gtkEraseRect( dctx, rect );
dctx->topFocus = dfs == DFS_TOP;
} /* gtk_draw_scoreBegin */
static PangoLayout*
getLayoutToFitRect( GtkDrawCtx* dctx, const XP_UCHAR* str, const XP_Rect* rect )
{
PangoLayout* layout;
float ratio, ratioH;
int width, height;
XP_U16 len = XP_STRLEN(str);
/* First measure it using any font at all */
layout = layout_for_ht( dctx, 24 );
pango_layout_set_text( layout, (char*)str, len );
pango_layout_get_pixel_size( layout, &width, &height );
/* Figure the ratio of is to should-be. The smaller of these is the one
we must use. */
ratio = (float)rect->width / (float)width;
ratioH = (float)rect->height / (float)height;
if ( ratioH < ratio ) {
ratio = ratioH;
}
height = 24.0 * ratio;
layout = layout_for_ht( dctx, height );
pango_layout_set_text( layout, (char*)str, len );
return layout;
} /* getLayoutToFitRect */
static void
gtkDrawDrawRemText( DrawCtx* p_dctx, const XP_Rect* rect, XP_S16 nTilesLeft,
XP_U16* widthP, XP_U16* heightP, XP_Bool focussed )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
XP_UCHAR buf[10];
PangoLayout* layout;
XP_SNPRINTF( buf, sizeof(buf), "rem:%d", nTilesLeft );
layout = getLayoutToFitRect( dctx, buf, rect );
if ( !!widthP ) {
int width, height;
pango_layout_get_pixel_size( layout, &width, &height );
if ( width > rect->width ) {
width = rect->width;
}
if ( height > rect->height ) {
height = rect->height;
}
*widthP = width;
*heightP = height;
} else {
const GdkColor* cursor = NULL;
if ( focussed ) {
cursor = &dctx->cursor;
gtkFillRect( dctx, rect, cursor );
}
draw_string_at( dctx, layout, buf, rect->height,
rect, XP_GTK_JUST_TOPLEFT,
&dctx->black, cursor );
}
} /* gtkDrawDrawRemText */
static void
gtk_draw_measureRemText( DrawCtx* p_dctx, const XP_Rect* rect, XP_S16 nTilesLeft,
XP_U16* width, XP_U16* height )
{
if ( nTilesLeft <= 0 ) {
*width = *height = 0;
} else {
gtkDrawDrawRemText( p_dctx, rect, nTilesLeft, width, height, XP_FALSE );
}
} /* gtk_draw_measureRemText */
static void
gtk_draw_drawRemText( DrawCtx* p_dctx, const XP_Rect* rInner,
const XP_Rect* XP_UNUSED(rOuter), XP_S16 nTilesLeft,
XP_Bool focussed )
{
gtkDrawDrawRemText( p_dctx, rInner, nTilesLeft, NULL, NULL, focussed );
} /* gtk_draw_drawRemText */
static void
formatScoreText( XP_UCHAR* buf, XP_U16 bufLen, const DrawScoreInfo* dsi )
{
XP_S16 score = dsi->totalScore;
XP_U16 nTilesLeft = dsi->nTilesLeft;
XP_Bool isTurn = dsi->isTurn;
int used;
char* borders = "";
if ( isTurn ) {
borders = "*";
}
used = XP_SNPRINTF( buf, bufLen, "%s%.3d", borders, score );
if ( (nTilesLeft < MAX_TRAY_TILES) && (nTilesLeft > 0) ) {
XP_UCHAR nbuf[10];
XP_SNPRINTF( nbuf, VSIZE(nbuf), ":%d", nTilesLeft );
(void)XP_STRCAT( buf, nbuf );
}
XP_SNPRINTF( buf+used, bufLen-used, "%s", borders );
} /* formatScoreText */
static void
gtk_draw_measureScoreText( DrawCtx* p_dctx, const XP_Rect* bounds,
const DrawScoreInfo* dsi,
XP_U16* widthP, XP_U16* heightP )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
XP_UCHAR buf[20];
PangoLayout* layout;
int height, width;
formatScoreText( buf, VSIZE(buf), dsi );
layout = getLayoutToFitRect( dctx, buf, bounds );
pango_layout_get_pixel_size( layout, &width, &height );
*widthP = width;
*heightP = height;
} /* gtk_draw_measureScoreText */
static void
gtk_draw_score_drawPlayer( DrawCtx* p_dctx, const XP_Rect* rInner,
const XP_Rect* rOuter, const DrawScoreInfo* dsi )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
XP_UCHAR scoreBuf[20];
XP_Bool hasCursor = (dsi->flags & CELL_ISCURSOR) != 0;
GdkColor* cursor = NULL;
formatScoreText( scoreBuf, VSIZE(scoreBuf), dsi );
if ( hasCursor ) {
cursor = &dctx->cursor;
gtkFillRect( dctx, rOuter, cursor );
}
gdk_gc_set_foreground( dctx->drawGC, &dctx->playerColors[dsi->playerNum] );
if ( dsi->selected ) {
XP_Rect selRect = *rOuter;
XP_S16 diff = selRect.width - rInner->width;
if ( diff > 0 ) {
selRect.width -= diff>>1;
selRect.left += diff>>2;
}
gdk_draw_rectangle( DRAW_WHAT(dctx), dctx->drawGC,
TRUE, selRect.left, selRect.top,
selRect.width, selRect.height );
gtkEraseRect( dctx, rInner );
}
draw_string_at( dctx, NULL, scoreBuf, rInner->height - 1,
rInner, XP_GTK_JUST_CENTER,
&dctx->playerColors[dsi->playerNum], cursor );
} /* gtk_draw_score_drawPlayer */
static void
gtk_draw_score_pendingScore( DrawCtx* p_dctx, const XP_Rect* rect,
XP_S16 score, XP_U16 XP_UNUSED(playerNum),
CellFlags flags )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
XP_UCHAR buf[5];
XP_U16 ht;
XP_Rect localR;
GdkColor* cursor = ((flags & CELL_ISCURSOR) != 0)
? &dctx->cursor : NULL;
if ( score >= 0 ) {
XP_SNPRINTF( buf, VSIZE(buf), "%.3d", score );
} else {
XP_STRNCPY( buf, "???", VSIZE(buf) );
}
/* gdk_gc_set_clip_rectangle( dctx->drawGC, (GdkRectangle*)rect ); */
localR = *rect;
gtkInsetRect( &localR, 1 );
if ( !!cursor ) {
gtkFillRect( dctx, &localR, cursor );
} else {
gtkEraseRect( dctx, &localR );
}
ht = localR.height >> 2;
draw_string_at( dctx, NULL, "Pts:", ht,
&localR, XP_GTK_JUST_TOPLEFT,
&dctx->black, cursor );
draw_string_at( dctx, NULL, buf, ht,
&localR, XP_GTK_JUST_BOTTOMRIGHT,
&dctx->black, cursor );
} /* gtk_draw_score_pendingScore */
static void
gtkFormatTimerText( XP_UCHAR* buf, XP_S16 secondsLeft )
{
XP_U16 minutes, seconds;
if ( secondsLeft < 0 ) {
*buf++ = '-';
secondsLeft *= -1;
}
minutes = secondsLeft / 60;
seconds = secondsLeft % 60;
XP_SNPRINTF( buf, VSIZE(buf), "% 1d:%02d", minutes, seconds );
} /* gtkFormatTimerText */
static void
gtk_draw_drawTimer( DrawCtx* p_dctx, const XP_Rect* rInner,
const XP_Rect* XP_UNUSED(rOuter),
XP_U16 XP_UNUSED(player), XP_S16 secondsLeft )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
XP_UCHAR buf[10];
gtkFormatTimerText( buf, secondsLeft );
/* gdk_gc_set_clip_rectangle( dctx->drawGC, (GdkRectangle*)rInner ); */
gtkEraseRect( dctx, rInner );
draw_string_at( dctx, NULL, buf, rInner->height-1,
rInner, XP_GTK_JUST_CENTER,
&dctx->black, NULL );
} /* gtk_draw_drawTimer */
#define MINI_LINE_HT 12
#define MINI_V_PADDING 6
#define MINI_H_PADDING 8
static const XP_UCHAR*
gtk_draw_getMiniWText( DrawCtx* XP_UNUSED(p_dctx), XWMiniTextType textHint )
{
/* GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx; */
XP_UCHAR* str;
switch( textHint ) {
case BONUS_DOUBLE_LETTER:
str = "Double letter"; break;
case BONUS_DOUBLE_WORD:
str = "Double word"; break;
case BONUS_TRIPLE_LETTER:
str = "Triple letter"; break;
case BONUS_TRIPLE_WORD:
str = "Triple word"; break;
case INTRADE_MW_TEXT:
str = "Trading tiles;\nclick D when done"; break;
default:
XP_ASSERT( XP_FALSE );
}
return str;
} /* gtk_draw_getMiniWText */
static void
gtk_draw_measureMiniWText( DrawCtx* p_dctx, const XP_UCHAR* str,
XP_U16* widthP, XP_U16* heightP )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
int height, width;
PangoLayout* layout = layout_for_ht( dctx, GTKMIN_W_HT );
pango_layout_set_text( layout, (char*)str, XP_STRLEN(str) );
pango_layout_get_pixel_size( layout, &width, &height );
*heightP = height;
*widthP = width + 6;
} /* gtk_draw_measureMiniWText */
static void
gtk_draw_drawMiniWindow( DrawCtx* p_dctx, const XP_UCHAR* text,
const XP_Rect* rect, void** XP_UNUSED(closureP) )
{
GtkDrawCtx* dctx = (GtkDrawCtx*)p_dctx;
XP_Rect localR = *rect;
gdk_gc_set_foreground( dctx->drawGC, &dctx->black );
/* gdk_gc_set_clip_rectangle( dctx->drawGC, (GdkRectangle*)&localR ); */
/* play some skanky games to get the shadow drawn under and to the
right... */
gtkEraseRect( dctx, &localR );
gtkInsetRect( &localR, 1 );
--localR.width;
--localR.height;
frameRect( dctx, &localR );
--localR.top;
--localR.left;
gtkEraseRect( dctx, &localR );
frameRect( dctx, &localR );
draw_string_at( dctx, NULL, text, GTKMIN_W_HT,
&localR, XP_GTK_JUST_CENTER,
&dctx->black, NULL );
} /* gtk_draw_drawMiniWindow */
#define SET_GDK_COLOR( c, r, g, b ) { \
c.red = (r); \
c.green = (g); \
c.blue = (b); \
}
static void
draw_doNothing( DrawCtx* XP_UNUSED(dctx), ... )
{
} /* draw_doNothing */
static void
allocAndSet( GdkColormap* map, GdkColor* color, unsigned short red,
unsigned short green, unsigned short blue )
{
gboolean success;
color->red = red;
color->green = green;
color->blue = blue;
success = gdk_colormap_alloc_color( map,
color,
TRUE, /* writeable */
TRUE ); /* best-match */
XP_ASSERT( success );
} /* allocAndSet */
DrawCtx*
gtkDrawCtxtMake( GtkWidget* drawing_area, GtkAppGlobals* globals )
{
GtkDrawCtx* dctx = g_malloc0( sizeof(GtkDrawCtx) );
GdkColormap* map;
short i;
dctx->vtable = g_malloc( sizeof(*(((GtkDrawCtx*)dctx)->vtable)) );
for ( i = 0; i < sizeof(*dctx->vtable)/4; ++i ) {
((void**)(dctx->vtable))[i] = draw_doNothing;
}
SET_VTABLE_ENTRY( dctx->vtable, draw_clearRect, gtk );
#ifdef DRAW_WITH_PRIMITIVES
SET_VTABLE_ENTRY( dctx->vtable, draw_setClip, gtk_prim );
SET_VTABLE_ENTRY( dctx->vtable, draw_frameRect, gtk_prim );
SET_VTABLE_ENTRY( dctx->vtable, draw_invertRect, gtk_prim );
SET_VTABLE_ENTRY( dctx->vtable, draw_drawString, gtk_prim );
SET_VTABLE_ENTRY( dctx->vtable, draw_drawBitmap, gtk_prim );
SET_VTABLE_ENTRY( dctx->vtable, draw_measureText, gtk_prim );
InitDrawDefaults( dctx->vtable );
#else
SET_VTABLE_ENTRY( dctx->vtable, draw_boardBegin, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_drawCell, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_invertCell, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_objFinished, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_vertScrollBoard, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_trayBegin, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_drawTile, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_drawTileBack, gtk );
#ifdef POINTER_SUPPORT
SET_VTABLE_ENTRY( dctx->vtable, draw_drawTileMidDrag, gtk );
#endif
SET_VTABLE_ENTRY( dctx->vtable, draw_drawTrayDivider, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_drawBoardArrow, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_scoreBegin, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_measureRemText, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_drawRemText, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_measureScoreText, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_score_drawPlayer, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_score_pendingScore, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_drawTimer, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_getMiniWText, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_measureMiniWText, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_drawMiniWindow, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_destroyCtxt, gtk );
SET_VTABLE_ENTRY( dctx->vtable, draw_dictChanged, gtk );
#endif
dctx->pangoContext = gtk_widget_get_pango_context( drawing_area );
dctx->drawing_area = drawing_area;
dctx->globals = globals;
map = gdk_colormap_get_system();
allocAndSet( map, &dctx->black, 0x0000, 0x0000, 0x0000 );
allocAndSet( map, &dctx->white, 0xFFFF, 0xFFFF, 0xFFFF );
{
GdkWindow *window = NULL;
if ( GTK_WIDGET_FLAGS(GTK_WIDGET(drawing_area)) & GTK_NO_WINDOW ) {
/* XXX I'm not sure about this function because I never used it.
* (the name seems to indicate what you want though).
*/
window = gtk_widget_get_parent_window( GTK_WIDGET(drawing_area) );
} else {
window = GTK_WIDGET(drawing_area)->window;
}
dctx->drawGC = gdk_gc_new( window );
}
map = gdk_colormap_get_system();
allocAndSet( map, &dctx->black, 0x0000, 0x0000, 0x0000 );
allocAndSet( map, &dctx->white, 0xFFFF, 0xFFFF, 0xFFFF );
allocAndSet( map, &dctx->bonusColors[0], 0xFFFF, 0xAFFF, 0xAFFF );
allocAndSet( map, &dctx->bonusColors[1], 0xAFFF, 0xFFFF, 0xAFFF );
allocAndSet( map, &dctx->bonusColors[2], 0xAFFF, 0xAFFF, 0xFFFF );
allocAndSet( map, &dctx->bonusColors[3], 0xFFFF, 0xAFFF, 0xFFFF );
allocAndSet( map, &dctx->playerColors[0], 0x0000, 0x0000, 0xAFFF );
allocAndSet( map, &dctx->playerColors[1], 0xAFFF, 0x0000, 0x0000 );
allocAndSet( map, &dctx->playerColors[2], 0x0000, 0xAFFF, 0x0000 );
allocAndSet( map, &dctx->playerColors[3], 0xAFFF, 0x0000, 0xAFFF );
allocAndSet( map, &dctx->tileBack, 0xFFFF, 0xFFFF, 0x9999 );
allocAndSet( map, &dctx->cursor, 253<<8, 12<<8, 222<<8 );
allocAndSet( map, &dctx->red, 0xFFFF, 0x0000, 0x0000 );
return (DrawCtx*)dctx;
} /* gtkDrawCtxtMake */
#endif /* PLATFORM_GTK */
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