/* Part of XPCE --- The SWI-Prolog GUI toolkit Author: Jan Wielemaker and Anjo Anjewierden E-mail: jan@swi.psy.uva.nl WWW: http://www.swi.psy.uva.nl/projects/xpce/ Copyright (c) 1996-2011, University of Amsterdam All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "include.h" /******************************* * SCROLLBAR * *******************************/ typedef struct { Name which; /* up, left, down, right */ int status; /* up/down */ char * imgname; /* name of the image */ Image img; /* associated image */ } sb_image_def; static sb_image_def sbimages[] = { { NAME_up, TRUE, "win_uparrow", NULL }, { NAME_down, TRUE, "win_dnarrow", NULL }, { NAME_left, TRUE, "win_lfarrow", NULL }, { NAME_right, TRUE, "win_rgarrow", NULL }, { NAME_up, FALSE, "win_uparrowd", NULL }, { NAME_down, FALSE, "win_dnarrowd", NULL }, { NAME_left, FALSE, "win_lfarrowd", NULL }, { NAME_right, FALSE, "win_rgarrowd", NULL }, { NULL, FALSE, NULL, NULL } }; static Image sb_image(Name which, int up) { sb_image_def *sd; for(sd = sbimages; sd->which; sd++) { if ( sd->which == which && up == sd->status ) { if ( !sd->img ) sd->img = newObject(ClassImage, CtoKeyword(sd->imgname), EAV); return sd->img; } } assert(0); return NULL; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Draw the arrow of a scrollbar. Windows defines images for this, and we will use these, unless the size doesn't match (a scrollbar created with non-default width. If this function return failure, the general thing will be called. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ status ws_draw_scrollbar_arrow(ScrollBar s, int x, int y, int w, int h, Name which, int up) { if ( s->look == NAME_win ) { Image img = sb_image(which, up ? TRUE : FALSE); if ( img && valInt(img->size->w) == w && valInt(img->size->h) == w ) { r_image(img, 0, 0, x, y, w, h, OFF); succeed; } } fail; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Determine the height of the scrollbar image. If the width matches the image width, we return the image height. Otherwise -1 to indicate to use the generic method. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ int ws_arrow_height_scrollbar(ScrollBar s) { if ( s->orientation == NAME_vertical ) { Image img = sb_image(NAME_up, TRUE); if ( img && img->size->w == s->area->w ) return valInt(img->size->h); } else { Image img = sb_image(NAME_left, TRUE); if ( img && img->size->h == s->area->h ) return valInt(img->size->w); } return -1; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Draw the scrollbar thumb. The colours are hard to find, but we'll give it a try ... - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ static COLORREF thumb_colours[5]; static void init_sb_thumb_colours() { static int done = FALSE; if ( !done ) { Image img = sb_image(NAME_up, TRUE); int w = valInt(img->size->w); int h = valInt(img->size->h); d_image(img, 0, 0, w, h); thumb_colours[0] = r_get_pixel(0,0); /* top-colour */ thumb_colours[1] = r_get_pixel(1,1); thumb_colours[2] = r_get_pixel(2,2); thumb_colours[3] = r_get_pixel(w-2,h-2); thumb_colours[4] = r_get_pixel(w-1,h-1); d_done(); done = TRUE; DEBUG(NAME_scrollBar, Cprintf("Thumb colours: 0x%06x, 0x%06x, 0x%06x, 0x%06x, 0x%06x\n", thumb_colours[0], thumb_colours[1], thumb_colours[2], thumb_colours[3], thumb_colours[4])); } } status ws_draw_sb_thumb(int x, int y, int w, int h) { init_sb_thumb_colours(); r_3d_rectangle(x, y, w, h, 2, thumb_colours); succeed; } /******************************* * BUTTON * *******************************/ static COLORREF button_colours[5]; static Colour button_face; static void init_button_colours() { int done = FALSE; if ( !done ) { init_sb_thumb_colours(); button_colours[1] = thumb_colours[0]; /* just look at it !? */ button_colours[0] = thumb_colours[1]; button_colours[2] = thumb_colours[2]; button_colours[3] = thumb_colours[3]; button_colours[4] = thumb_colours[4]; button_face = newObject(ClassColour, CtoKeyword("win_btnface"), EAV); done = TRUE; } } COLORREF ws_3d_grey_rgb() { init_sb_thumb_colours(); return thumb_colours[3]; } Colour ws_3d_grey() { static Colour c = NULL; if ( !c ) { COLORREF rgb = ws_3d_grey_rgb(); c = ws_system_colour(CurrentDisplay(NIL), "_win_3d_grey", rgb); } return c; } static VOID CALLBACK dotpoint(int x, int y, LPARAM hdc) { static int draw = FALSE; if ( draw ) SetPixel((HDC)hdc, x, y, RGB(0,0,0)); draw = !draw; } static void r_dotted_box(int x, int y, int w, int h) { LPARAM hdc = (LPARAM)d_current_hdc(); int r = x+w-1; /* right */ int b = y+h-1; /* bottom */ dotpoint(x, y, hdc); LineDDA(x, y, r, y, (LINEDDAPROC)dotpoint, hdc); dotpoint(r, y, hdc); LineDDA(r, y, r, b, (LINEDDAPROC)dotpoint, hdc); dotpoint(r, b, hdc); LineDDA(r, b, x, b, (LINEDDAPROC)dotpoint, hdc); dotpoint(x, b, hdc); LineDDA(x, b, x, y, (LINEDDAPROC)dotpoint, hdc); } status ws_draw_button_face(DialogItem di, int x, int y, int w, int h, int up, int defb, int focus) { if ( di->look != NAME_win ) fail; init_button_colours(); r_thickness(1); if ( defb ) r_box(x-1, y-1, w+2, h+2, 0, NIL); if ( up ) r_3d_rectangle(x, y, w, h, 2, button_colours); else r_box(x, y, w, h, 0, button_face); if ( focus ) r_dotted_box(x+3, y+3, w-6, h-6); /*{ r_dash(NAME_dotted); r_box(x+3, y+3, w-6, h-6, 0, NIL); } */ succeed; } /******************************* * TEXTITEM * *******************************/ static Elevation elevation1; /* Generic hight-1 elevation */ static Colour WinBackground; /* Generic window background */ static COLORREF edit_colours[5]; /* elevation for entry-field */ static Image WinCombo; /* @win_combo image */ static COLORREF down_colours[3]; /* elevation for down-button */ static void init_entry_resources() { static int done = FALSE; if ( !done ) { done = TRUE; init_button_colours(); elevation1 = globalObject(NIL, ClassElevation, ONE, EAV); WinBackground = newObject(ClassColour, CtoKeyword("win_window"), EAV); WinCombo = newObject(ClassImage, CtoKeyword("win_combo"), EAV); edit_colours[0] = thumb_colours[3]; edit_colours[1] = thumb_colours[4]; edit_colours[2] = cref_colour(WinBackground); edit_colours[3] = thumb_colours[0]; edit_colours[4] = thumb_colours[1]; down_colours[0] = thumb_colours[3]; down_colours[1] = thumb_colours[2]; down_colours[2] = thumb_colours[3]; } } int ws_combo_box_width() { init_entry_resources(); return valInt(WinCombo->size->w) + 4; } int ws_stepper_width() { return ws_combo_box_width(); } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ws_entry_field() is used by classes that need to create an editable field of specified dimensions. If the field happens to be not editable now, this is indicated by `editable'. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ status ws_entry_field(int x, int y, int w, int h, int flags) { init_entry_resources(); if ( !(flags & TEXTFIELD_EDITABLE) ) r_3d_box(x, y, w, h, 0, elevation1, FALSE); else { r_3d_rectangle(x, y, w, h, 2, edit_colours); if ( flags & TEXTFIELD_COMBO ) { int iw = valInt(WinCombo->size->w); int ih = valInt(WinCombo->size->h); int iy = y+2 + (h-4-valInt(WinCombo->size->h))/2; int cw = iw + 4; if ( flags & TEXTFIELD_COMBO_DOWN ) r_3d_rectangle(x+w-cw-2, y+2, cw, h-4, 1, down_colours); else r_3d_rectangle(x+w-cw-2, y+2, cw, h-4, 2, thumb_colours); r_image(WinCombo, 0, 0, x+w-cw, iy, iw, ih, OFF); } if ( flags & TEXTFIELD_STEPPER ) { int iw = valInt(WinCombo->size->w); int cw = iw + 4; int bh = (h-4)/2; COLORREF *b1colors = thumb_colours; COLORREF *b2colors = thumb_colours; int b1z = 2; int b2z = 2; if ( flags & TEXTFIELD_INCREMENT ) { b1colors = down_colours; b1z = 1; } else if ( flags & TEXTFIELD_DECREMENT ) { b2colors = down_colours; b2z = 1; } r_3d_rectangle(x+w-cw-2, y+2, cw, bh, b1z, b1colors); r_3d_rectangle(x+w-cw-2, y+2+bh, cw, bh, b2z, b2colors); { int iw = valInt(INT_ITEM_IMAGE->size->w)/2; int ih = valInt(INT_ITEM_IMAGE->size->h); int ix = x+w-2-(cw+iw)/2; int dy = (bh-ih+1)/2; r_image(INT_ITEM_IMAGE, 0, 0, ix, y+2+dy, iw, ih, ON); r_image(INT_ITEM_IMAGE, iw, 0, ix, y+h-2-dy-ih, iw, ih, ON); } } } succeed; } /******************************* * MENU * *******************************/ typedef struct { unsigned char x; /* X-index in image */ unsigned char y; /* Y-index in image */ } checkbox_location; /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - NOTE: Update this table if the CHECKBOX_* constant, change! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ /* multiple, active, selected */ static checkbox_location checkboxes[] = { { 2, 1 }, /* 000 */ { 3, 1 }, /* 001 */ { 0, 1 }, /* 010 */ { 1, 1 }, /* 011 */ { 2, 0 }, /* 100 */ { 3, 0 }, /* 101 */ { 0, 0 }, /* 110 */ { 1, 0 } /* 111 */ }; static Image CheckBoxes; /* win_checkboxes */ static Image BtnCorners; /* win_btncorners */ #undef USE_MASKBLT /* for now, but may nor work on 3.x */ static void init_checkboxes() { static int done = FALSE; if ( !done ) { Image img; BitmapObj bm; done = TRUE; CheckBoxes = newObject(ClassImage, CtoKeyword("win_checkboxes"), EAV); img = newObject(ClassImage, CtoKeyword("win_btncorners"), EAV); bm = answerObject(ClassBitmap, img, EAV); BtnCorners = globalObject(CtoName("_checkbox_mask"), ClassImage, NIL, img->size->w, img->size->h, EAV); send(BtnCorners, NAME_drawIn, bm, EAV); #ifdef USE_MASKBLT send(BtnCorners, NAME_invert, EAV); #endif doneObject(bm); } } status ws_draw_checkbox(int x, int y, int w, int h, int b, int flags) { init_checkboxes(); if ( CheckBoxes ) { int sx = checkboxes[flags & 0x7].x; int sy = checkboxes[flags & 0x7].y; int iw = valInt(CheckBoxes->size->w)/4; int ih = valInt(CheckBoxes->size->h)/3; int by = y + (h-ih)/2; sx *= iw; sy *= ih; if ( !(flags & CHECKBOX_MULTIPLE) ) { HDC hdc = d_current_hdc(); HDC bmhdc = CreateCompatibleDC(hdc); HBITMAP msk = (HBITMAP) getXrefObject(BtnCorners, CurrentDisplay(NIL)); HBITMAP bm = (HBITMAP) getXrefObject(CheckBoxes, CurrentDisplay(NIL)); HBITMAP obm; #ifdef USE_MASKBLT /* Only in NT */ obm = ZSelectObject(bmhdc, bm); MaskBlt(hdc, /* destination */ x+b, by, iw, ih, /* destination rectangle */ bmhdc, /* source */ sx, sy, /* source rectangle */ msk, /* mask */ 0, 0, /* mask rectangle */ MAKEROP4(SRCCOPY, SRCAND)); /* operations */ #else /* So needs this for '95 */ { COLORREF oldbg = SetBkColor(hdc, RGB(0,0,0)); COLORREF oldfg = SetTextColor(hdc, RGB(255,255,255)); obm = ZSelectObject(bmhdc, msk); /* OR, making a white circle */ BitBlt(hdc, x+b, by, iw, ih, bmhdc, 0, 0, SRCPAINT); SetBkColor(hdc, oldbg); SetTextColor(hdc, oldfg); ZSelectObject(bmhdc, bm); /* AND: paiting the image */ BitBlt(hdc, x+b, by, iw, ih, bmhdc, sx, sy, SRCAND); } #endif ZSelectObject(bmhdc, obm); DeleteDC(bmhdc); } else { r_image(CheckBoxes, sx, sy, x+b, by, iw, ih, OFF); } succeed; } fail; } status ws_checkbox_size(int flags, int *w, int *h) { init_checkboxes(); if ( CheckBoxes ) { *w = valInt(CheckBoxes->size->w)/4; *h = valInt(CheckBoxes->size->h)/3; succeed; } fail; } /******************************* * MESSAGES * *******************************/ int ws_message_box(Any msg, int flags) { CharArray n = msg; wchar_t *s = charArrayToWC(n, NULL); UINT style = MB_SYSTEMMODAL; wchar_t *title; if ( flags & MBX_INFORM ) { style |= MB_OK; title = L"Information"; } else if ( flags & MBX_CONFIRM ) { style |= MB_OKCANCEL; title = L"Confirm"; } else if ( flags & MBX_ERROR ) { style |= MB_OK|MB_ICONEXCLAMATION; title = L"Error"; } else return MBX_NOTHANDLED; switch(MessageBoxW(NULL, s, title, style)) { case IDOK: return MBX_OK; default: return MBX_CANCEL; } }