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xwords/xwords4/wince/ceclrsel.c
ehouse 7dccae2d3c make color buttons owner-draw, and draw them. This fixes bug where 
all are the background color, and seems to fix win32 build altogether.
Wince build still needs to respond to the buttons being pressed.
2006-02-16 03:31:44 +00:00

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C
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/* -*-mode: C; fill-column: 77; c-basic-offset: 4; -*- */
/*
* Copyright 2004 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.
*/
#include <windowsx.h>
#include "stdafx.h"
#include <commdlg.h>
#include "ceclrsel.h"
#include "ceutil.h"
#include "debhacks.h"
#ifdef MY_COLOR_SEL
typedef struct ClrEditDlgState {
CEAppGlobals* globals;
RECT clrRect;
XP_U8 r;
XP_U8 b;
XP_U8 g;
XP_Bool inited;
XP_Bool cancelled;
} ClrEditDlgState;
static void
drawColorRect( ClrEditDlgState* eState, HDC hdc )
{
COLORREF ref = RGB( eState->r, eState->g, eState->b );
HBRUSH brush = CreateSolidBrush( ref );
FillRect( hdc, &eState->clrRect, brush );
DeleteObject( brush );
} /* drawColorRect */
static void
initEditAndSlider( HWND hDlg, XP_U16 sliderID, XP_U8 val )
{
SendDlgItemMessage( hDlg, sliderID, TBM_SETRANGE, TRUE,
MAKELONG(0,255) );
SendDlgItemMessage( hDlg, sliderID, TBM_SETPOS, TRUE,
(long)val );
ceSetDlgItemNum( hDlg, sliderID+1, val );
} /* initEditAndSlider */
static void
initChooseColor( ClrEditDlgState* eState, HWND hDlg )
{
eState->clrRect.left = 162;
eState->clrRect.top = 5;
eState->clrRect.right = 193;
eState->clrRect.bottom = 90;
InvalidateRect( hDlg, &eState->clrRect, FALSE );
initEditAndSlider( hDlg, CLREDT_SLIDER1, eState->r );
initEditAndSlider( hDlg, CLREDT_SLIDER2, eState->g );
initEditAndSlider( hDlg, CLREDT_SLIDER3, eState->b );
} /* initChooseColor */
static XP_U8*
colorForSlider( ClrEditDlgState* eState, XP_U16 sliderID )
{
switch( sliderID ) {
case CLREDT_SLIDER1:
return &eState->r;
case CLREDT_SLIDER2:
return &eState->g;
case CLREDT_SLIDER3:
return &eState->b;
default:
XP_LOGF( "huh???" );
return NULL;
}
} /* colorForSlider */
static void
updateForSlider( HWND hDlg, ClrEditDlgState* eState, XP_U16 sliderID )
{
XP_U8 newColor = (XP_U8)SendDlgItemMessage( hDlg, sliderID, TBM_GETPOS,
0, 0L );
XP_U8* colorPtr = colorForSlider( eState, sliderID );
if ( newColor != *colorPtr ) {
*colorPtr = newColor;
ceSetDlgItemNum( hDlg, sliderID+1, (XP_S32)newColor );
InvalidateRect( hDlg, &eState->clrRect, FALSE );
}
} /* updateForSlider */
static void
updateForField( HWND hDlg, ClrEditDlgState* eState, XP_U16 fieldID )
{
XP_S32 newColor = ceGetDlgItemNum( hDlg, fieldID );
XP_U8* colorPtr = colorForSlider( eState, fieldID - 1 );
XP_Bool modified = XP_FALSE;;
if ( newColor > 255 ) {
newColor = 255;
modified = XP_TRUE;
} else if ( newColor < 0 ) {
newColor = 0;
modified = XP_TRUE;
}
if ( modified ) {
ceSetDlgItemNum( hDlg, fieldID, newColor );
}
if ( newColor != *colorPtr ) {
*colorPtr = (XP_U8)newColor;
SendDlgItemMessage( hDlg, fieldID-1, TBM_SETPOS, TRUE,
(long)newColor );
InvalidateRect( hDlg, &eState->clrRect, FALSE );
}
} /* updateForField */
LRESULT CALLBACK
EditColorsDlg( HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam )
{
ClrEditDlgState* eState;
XP_U16 wid;
XP_U16 notifyCode;
NMTOOLBAR* nmToolP;
if ( message == WM_INITDIALOG ) {
SetWindowLong( hDlg, GWL_USERDATA, lParam );
eState = (ClrEditDlgState*)lParam;
eState->cancelled = XP_TRUE;
eState->inited = XP_FALSE;
return TRUE;
} else {
eState = (ClrEditDlgState*)GetWindowLong( hDlg, GWL_USERDATA );
if ( !eState ) {
return FALSE;
}
if ( !eState->inited ) {
/* set to true first! Messages will be generated by
initChooseColor call below */
eState->inited = XP_TRUE;
initChooseColor( eState, hDlg );
XP_LOGF( "initChooseColor done" );
}
switch (message) {
case WM_PAINT: {
PAINTSTRUCT ps;
HDC hdc = BeginPaint( hDlg, &ps );
drawColorRect( eState, hdc );
EndPaint( hDlg, &ps );
}
break;
case WM_NOTIFY:
nmToolP = (NMTOOLBAR*)lParam;
wid = nmToolP->hdr.idFrom;
switch ( wid ) {
case CLREDT_SLIDER1:
case CLREDT_SLIDER2:
case CLREDT_SLIDER3:
updateForSlider( hDlg, eState, wid );
break;
}
break;
case WM_COMMAND:
wid = LOWORD(wParam);
switch( wid ) {
case RED_EDIT:
case GREEN_EDIT:
case BLUE_EDIT:
notifyCode = HIWORD(wParam);
if ( notifyCode == EN_CHANGE ) {
updateForField( hDlg, eState, wid );
return TRUE;
}
break;
case IDOK:
eState->cancelled = XP_FALSE;
/* fallthrough */
case IDCANCEL:
EndDialog(hDlg, wid);
return TRUE;
}
}
}
return FALSE;
} /* EditColorsDlg */
static XP_Bool
myChooseColor( CEAppGlobals* globals, HWND hwnd, COLORREF* cref )
{
ClrEditDlgState state;
int result;
XP_MEMSET( &state, 0, sizeof(state) );
state.globals = globals;
state.r = GetRValue(*cref);
state.g = GetGValue(*cref);
state.b = GetBValue(*cref);
XP_LOGF( "setting up IDD_COLOREDITDLG" );
result = DialogBoxParam( globals->hInst, (LPCTSTR)IDD_COLOREDITDLG, hwnd,
(DLGPROC)EditColorsDlg, (long)&state );
XP_LOGF( "DialogBoxParam=>%d", result );
if ( !state.cancelled ) {
*cref = RGB( state.r, state.g, state.b );
}
return !state.cancelled;
} /* myChooseColor */
#endif /* MY_COLOR_SEL */
typedef struct ColorsDlgState {
CEAppGlobals* globals;
COLORREF* inColors;
COLORREF colors[NUM_EDITABLE_COLORS];
HBRUSH brushes[NUM_EDITABLE_COLORS];
HWND buttons[NUM_EDITABLE_COLORS];
XP_Bool cancelled;
XP_Bool inited;
} ColorsDlgState;
#define FIRST_BUTTON DLBLTR_BUTTON
#define LAST_BUTTON PLAYER4_BUTTON
static void
initColorData( ColorsDlgState* cState, HWND hDlg )
{
CEAppGlobals* globals = cState->globals;
XP_U16 i;
XP_ASSERT( (LAST_BUTTON - FIRST_BUTTON + 1) == NUM_EDITABLE_COLORS );
for ( i = 0; i < NUM_EDITABLE_COLORS; ++i ) {
COLORREF ref = cState->inColors[i];
cState->colors[i] = ref;
cState->brushes[i] = CreateSolidBrush( ref );
cState->buttons[i] = GetDlgItem( hDlg, FIRST_BUTTON + i );
}
} /* initColorData */
static HBRUSH
brushForButton( ColorsDlgState* cState, HWND hwndButton )
{
XP_U16 i;
for ( i = 0; i < NUM_EDITABLE_COLORS; ++i ) {
if ( cState->buttons[i] == hwndButton ) {
return cState->brushes[i];
}
}
return NULL;
} /* brushForButton */
static void
deleteButtonBrushes( ColorsDlgState* cState )
{
XP_U16 i;
for ( i = 0; i < NUM_EDITABLE_COLORS; ++i ) {
DeleteObject( cState->brushes[i] );
}
} /* deleteButtonBrushes */
static void
wrapChooseColor( ColorsDlgState* cState, HWND owner, XP_U16 button )
{
XP_U16 index = button-FIRST_BUTTON;
#ifdef MY_COLOR_SEL
COLORREF clrref = cState->colors[index];
if ( myChooseColor( cState->globals, owner, &clrref ) ) {
cState->colors[index] = clrref;
DeleteObject( cState->brushes[index] );
cState->brushes[index] = CreateSolidBrush( clrref );
XP_LOGF( "%s: may need to invalidate the button since color's changed",
__FUNCTION__ );
}
#else
CHOOSECOLOR ccs;
BOOL hitOk;
COLORREF arr[16];
XP_U16 i;
XP_MEMSET( &ccs, 0, sizeof(ccs) );
XP_MEMSET( &arr, 0, sizeof(arr) );
for ( i = 0; i < NUM_EDITABLE_COLORS; ++i ) {
arr[i] = cState->colors[i];
}
ccs.lStructSize = sizeof(ccs);
ccs.hwndOwner = owner;
ccs.rgbResult = cState->colors[index];
ccs.lpCustColors = arr;
ccs.Flags = CC_ANYCOLOR | CC_RGBINIT | CC_FULLOPEN;
hitOk = ChooseColor( &ccs );
if ( hitOk ) {
cState->colors[index] = ccs.rgbResult;
DeleteObject( cState->brushes[index] );
cState->brushes[index] = CreateSolidBrush( ccs.rgbResult );
}
#endif
} /* wrapChooseColor */
static void
ceDrawColorButton( ColorsDlgState* cState, DRAWITEMSTRUCT* dis )
{
HBRUSH brush = brushForButton( cState, dis->hwndItem );
XP_ASSERT( !!brush );
FillRect( dis->hDC, &dis->rcItem, brush );
} /* ceDrawColorButton */
LRESULT CALLBACK
ColorsDlg( HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam )
{
ColorsDlgState* cState;
XP_U16 wid;
BOOL result = FALSE;
if ( message == WM_INITDIALOG ) {
SetWindowLong( hDlg, GWL_USERDATA, lParam );
cState = (ColorsDlgState*)lParam;
cState->cancelled = XP_TRUE;
cState->inited = XP_FALSE;
result = TRUE;
} else {
cState = (ColorsDlgState*)GetWindowLong( hDlg, GWL_USERDATA );
if ( !!cState ) {
if ( !cState->inited ) {
initColorData( cState, hDlg );
cState->inited = XP_TRUE;
}
switch (message) {
case WM_DRAWITEM: /* passed when button has BS_OWNERDRAW style */
ceDrawColorButton( cState, (DRAWITEMSTRUCT*)lParam );
result = TRUE;
break;
case WM_COMMAND:
wid = LOWORD(wParam);
switch( wid ) {
case IDOK:
cState->cancelled = XP_FALSE;
/* fallthrough */
case IDCANCEL:
deleteButtonBrushes( cState );
EndDialog(hDlg, wid);
result = TRUE;
break;
default:
/* it's one of the color buttons. Set up with the
appropriate color and launch ChooseColor */
wrapChooseColor( cState, hDlg, wid );
result = TRUE;
break;
}
}
}
}
return result;
} /* ColorsDlg */
XP_Bool
ceDoColorsEdit( HWND hwnd, CEAppGlobals* globals, COLORREF* colors )
{
#ifdef _WIN32_WCE
MessageBox( globals->hWnd,
L"Color selection will be fixed in the next Beta.",
L"Sorry...", MB_OK );
return XP_FALSE;
#else
ColorsDlgState state;
XP_MEMSET( &state, 0, sizeof(state) );
state.globals = globals;
state.inColors = colors;
(void)DH(DialogBoxParam)( globals->hInst, (LPCTSTR)IDD_COLORSDLG, hwnd,
(DLGPROC)ColorsDlg, (long)&state );
if ( !state.cancelled ) {
XP_U16 i;
for ( i = 0; i < NUM_EDITABLE_COLORS; ++i ) {
colors[i] = state.colors[i];
}
}
return !state.cancelled;
#endif
} /* ceDoColorsEdit */
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