/* $Header: Create.c,v 1.14 88/02/02 19:02:31 jim Exp $ */ /* Copyright Massachusetts Institute of Technology 1985 */ #include /* * XMenu: MIT Project Athena, X Window system menu package * * XMenuCreate - Creates an X window system menu object. * * Author: Tony Della Fera, DEC * January 23, 1986 * */ #include "XMenuInt.h" #include #include #include #include #include #include #include #include #include #include #include #include #define DEF_FREEZE 0 #define DEF_REVERSE 0 #define DEF_MENU_STYLE LEFT #define DEF_MENU_MODE BOX #define DEF_INACT_PNUM 3 #define MAX_INACT_PNUM 4 #define DEF_P_STYLE CENTER #define DEF_P_EVENTS (EnterWindowMask | ExposureMask) #define DEF_P_FNT_NAME "fixed" #define DEF_P_SPREAD 0.5 #define DEF_P_BDR_WIDTH 2 #define DEF_S_STYLE LEFT #define DEF_S_EVENTS (EnterWindowMask | LeaveWindowMask) #define DEF_S_FNT_NAME "fixed" #define DEF_S_SPREAD 0.10 #define DEF_S_BDR_WIDTH 1 #define XASSOC_TABLE_SIZE 64 #define TILE_BUF_SIZE 5 int atoi(); double atof(); XMenu * XMenuCreate(display, parent, def_env) Display *display; /* ID of previously opened display */ Window parent; /* Window ID of the menu's parent window. */ register char *def_env; /* X Defaults program environment name. */ { register int i; /* Loop counter. */ register int j; /* Loop counter. */ register char *def_val; /* X Default value temp variable. */ register XMenu *menu; /* Pointer to the new menu. */ XMStyle menu_style; /* Menu display style. */ XMMode menu_mode; /* Menu display mode. */ XMPane *pane; /* Pane list header. */ XAssocTable *assoc_tab; /* XAssocTable pointer. */ int freeze; /* Freeze server mode. */ int reverse; /* Reverse video mode. */ XMStyle p_style; /* Pane display style. */ char *p_fnt_name; /* Flag font name. */ XFontStruct *p_fnt_info; /* Flag font structure */ int p_fnt_pad; /* Flag font padding in pixels. */ double p_spread; /* Pane spread in flag height fractions. */ int p_fnt_height; /* Pane character height. */ int p_bdr_width; /* Pane border width. */ int flag_height; /* Flag window height. */ int p_height; /* Pane window height. */ int p_x_off; /* Pane X offset. */ int p_y_off; /* Pane Y offset. */ GC pane_GC; /* Pane graphics context. */ XMStyle s_style; /* Selection display style. */ char *s_fnt_name; /* Selection font name. */ XFontStruct *s_fnt_info; /* Selection font structure. */ int s_fnt_pad; /* Selection font padding in pixels. */ int s_fnt_height; /* Selection font character height */ double s_spread; /* Select spread in line height fractions. */ int s_bdr_width; /* Highlight border width. */ int s_height; /* Selection window height. */ int s_x_off; /* Selection window X offset. */ int s_y_off; /* Selection window Y offset. */ GC normal_select_GC; /* GC used for normal video selection. */ GC inverse_select_GC; /* GC used for inverse video selection. */ GC inact_GC; /* GC for inactive pane header and */ /* selections. */ GC inact_GC_noexpose; XColor color_def; /* Temp color definition holder. */ XColor screen_def; /* Temp screen color defintion holder */ XColor p_bdr_color; /* Color of border. */ XColor s_bdr_color; /* Color of highlight. */ XColor p_frg_color; /* Color of pane foreground color. */ XColor s_frg_color; /* Color of selection foreground. */ XColor bkgnd_color; /* Color of background.. */ XColor mouse_color; /* Color of mouse cursor. */ Cursor mouse_cursor; /* Mouse cursor. */ Pixmap inact_bitmap; /* Menu inactive pixmap. */ int inact_pnum; /* Inactive background pattern number. */ Pixel p_bdr_pixel; /* Pane border pixel. */ Pixel s_bdr_pixel; /* Selection border pixel. */ Pixel p_frg_pixel; /* Pane forground pixel. */ Pixel s_frg_pixel; /* Selection forground pixel. */ Pixel bkgnd_pixel; /* Menu background pixel. */ int *width, *height; Pixmap *bitmap; int *x_hot, *y_hot; int status; /* Return code from XReadBitmapFile. */ Pixmap cursor; /* Cursor pixmap holder. */ Pixmap cursor_mask; /* Cursor mask pixmap holder. */ Pixmap stipple_pixmap; /* Stippple mask for half-tone text. */ unsigned long valuemask; XGCValues *values; /* * Calloc the XMenu structure and the initial pane. */ menu = (XMenu *)calloc(1, sizeof(XMenu)); if (menu == NULL) { _XMErrorCode = XME_CALLOC; return(NULL); } pane = (XMPane *)calloc(1, sizeof(XMPane)); if (pane == NULL) { _XMErrorCode = XME_CALLOC; return(NULL); } /* * Create the XAssocTable */ assoc_tab = (XAssocTable *)XCreateAssocTable(XASSOC_TABLE_SIZE); if(assoc_tab == NULL) { _XMErrorCode= XME_CREATE_ASSOC; return(NULL); } /* * Set up the default environment name. */ if (def_env == NULL || *def_env == '\0') def_env = "XMenu"; /* * Set up internal fail-safe defaults. */ freeze = DEF_FREEZE; reverse = DEF_REVERSE; menu_style = DEF_MENU_STYLE; menu_mode = DEF_MENU_MODE; inact_pnum = DEF_INACT_PNUM; p_style = DEF_P_STYLE; p_spread = DEF_P_SPREAD; p_fnt_name = DEF_P_FNT_NAME; p_bdr_width = DEF_P_BDR_WIDTH; s_style = DEF_S_STYLE; s_spread = DEF_S_SPREAD; s_fnt_name = DEF_S_FNT_NAME; s_bdr_width = DEF_S_BDR_WIDTH; /* * Get default values from X. */ def_val = XGetDefault(display, def_env, "MenuFreeze"); if (def_val != NULL) { if (strcmp(def_val, "on") == 0) freeze = 1; else if (strcmp(def_val, "off") == 0) freeze = 0; } def_val = XGetDefault(display, def_env, "MenuReverseVideo"); if (def_val != NULL) { if (strcmp(def_val, "on") == 0) reverse = 1; else if (strcmp(def_val, "off") == 0) reverse = 0; } def_val = XGetDefault(display, def_env, "MenuStyle"); if (def_val != NULL) { if (strcmp(def_val, "right_hand") == 0) menu_style = RIGHT; else if (strcmp(def_val, "left_hand") == 0) menu_style = LEFT; else if (strcmp(def_val, "center") == 0) menu_style = CENTER; } def_val = XGetDefault(display, def_env, "MenuMode"); if (def_val != NULL) { if (strcmp(def_val, "box") == 0) menu_mode = BOX; else if (strcmp(def_val, "invert") == 0) menu_mode = INVERT; } def_val = XGetDefault(display, def_env, "MenuMouse"); if ( def_val != NULL && DisplayCells(display, DefaultScreen(display)) > 2 && XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), def_val, &mouse_color, &color_def) ); else if (reverse && XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), "white", &mouse_color, &color_def) ); else if (XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), "black", &mouse_color, &color_def) ); else ; def_val = XGetDefault(display, def_env, "MenuBackground"); if ( def_val != NULL && DisplayCells(display, DefaultScreen(display)) > 2 && XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), def_val, &bkgnd_color, &color_def) ); else if (reverse && XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), "black", &bkgnd_color, &color_def) ); else if (XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), "white", &bkgnd_color, &color_def) ); else; def_val = XGetDefault(display, def_env, "MenuInactivePattern"); if (def_val != NULL) { if (strcmp(def_val, "dimple1") == 0) inact_pnum = 0; else if (strcmp(def_val, "dimple3") == 0) inact_pnum = 1; else if (strcmp(def_val, "gray1") == 0) inact_pnum = 2; else if (strcmp(def_val, "gray3") == 0) inact_pnum = 3; else if (strcmp(def_val, "cross_weave") == 0) inact_pnum = 4; } def_val = XGetDefault(display, def_env, "PaneStyle"); if (def_val != NULL) { if (strcmp(def_val, "flush_left") == 0) p_style = LEFT; else if (strcmp(def_val, "flush_right") == 0) p_style = RIGHT; else if (strcmp(def_val, "center") == 0) p_style = CENTER; } def_val = XGetDefault(display, def_env, "PaneFont"); if (def_val != NULL) p_fnt_name = def_val; def_val = XGetDefault(display, def_env, "PaneForeground"); if ( def_val != NULL && DisplayCells(display, DefaultScreen(display)) > 2 ) XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), def_val, &p_frg_color, &color_def); else if (reverse) XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), "white", &p_frg_color, &color_def); else XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), "black", &p_frg_color, &color_def); def_val = XGetDefault(display, def_env, "PaneBorder"); if ( def_val != NULL && DisplayCells(display, DefaultScreen(display)) > 2 && XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), def_val, &p_bdr_color, &color_def) ); else if (reverse && XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), "white", &p_bdr_color, &color_def) ); else XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), "black", &p_bdr_color, &color_def); def_val = XGetDefault(display, def_env, "PaneBorderWidth"); if (def_val != NULL) p_bdr_width = atoi(def_val); def_val = XGetDefault(display, def_env, "PaneSpread"); if (def_val != NULL) p_spread = atof(def_val); def_val = XGetDefault(display, def_env, "SelectionStyle"); if (def_val != NULL) { if (strcmp(def_val, "flush_left") == 0) s_style = LEFT; else if (strcmp(def_val, "flush_right") == 0) s_style = RIGHT; else if (strcmp(def_val, "center") == 0) s_style = CENTER; } def_val = XGetDefault(display, def_env, "SelectionFont"); if (def_val != NULL) s_fnt_name = def_val; def_val = XGetDefault(display, def_env, "SelectionForeground"); if ( def_val != NULL && DisplayCells(display, DefaultScreen(display)) > 2 && XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), def_val, &s_frg_color, &color_def) ); else if (reverse && XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), "white", &s_frg_color, &color_def) ) ; else if (XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), "black", &s_frg_color, &color_def) ) ; else ; def_val = XGetDefault(display, def_env, "SelectionBorder"); if ( def_val != NULL && DisplayCells(display, DefaultScreen(display)) > 2 && XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), def_val, &s_bdr_color, &color_def) ) ; else if (reverse && XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), "white", &s_bdr_color, &color_def) ) ; else if (XAllocNamedColor(display, DefaultColormap(display, DefaultScreen(display)), "black", &s_bdr_color, &color_def) ) ; else ; def_val = XGetDefault(display, def_env, "SelectionBorderWidth"); if (def_val != NULL) s_bdr_width = atoi(def_val); def_val = XGetDefault(display, def_env, "SelectionSpread"); if (def_val != NULL) s_spread = atof(def_val); /* * Create and store the inactive pattern pixmap. */ switch (inact_pnum) { case 0: inact_bitmap = XCreateBitmapFromData( display, RootWindow(display, DefaultScreen(display)), dimple1_bits, 16, 16 ); break; case 1: inact_bitmap = XCreateBitmapFromData( display, RootWindow(display, DefaultScreen(display)), dimple3_bits, 16,16); break; case 2: inact_bitmap = XCreateBitmapFromData( display, RootWindow(display, DefaultScreen(display)), gray1_bits, 16, 16); break; case 3: inact_bitmap = XCreateBitmapFromData( display, RootWindow(display, DefaultScreen(display)), gray3_bits, 16, 16); break; case 4: inact_bitmap = XCreateBitmapFromData( display, RootWindow(display, DefaultScreen(display)), cross_weave_bits, 16, 16); break; default: break; } if (inact_bitmap == NULL) { _XMErrorCode = XME_STORE_BITMAP; return(NULL); } /* * Load the mouse cursor. */ switch (menu_style) { case LEFT: cursor = XCreateBitmapFromData(display, RootWindow(display, DefaultScreen(display)), left_ptr_bits, left_ptr_width, left_ptr_height); cursor_mask = XCreateBitmapFromData(display, RootWindow(display, DefaultScreen(display)), left_ptrmsk_bits, left_ptrmsk_width, left_ptrmsk_height); mouse_cursor = XCreatePixmapCursor( display, cursor, cursor_mask, &mouse_color, &bkgnd_color, left_ptr_x_hot, left_ptr_y_hot ); XFreePixmap(display, cursor); XFreePixmap(display, cursor_mask); break; case RIGHT: cursor = XCreateBitmapFromData(display, RootWindow(display, DefaultScreen(display)), right_ptr_bits, right_ptr_width, right_ptr_height); cursor_mask = XCreateBitmapFromData(display, RootWindow(display, DefaultScreen(display)), right_ptrmsk_bits, right_ptrmsk_width, right_ptrmsk_height); mouse_cursor = XCreatePixmapCursor( display, cursor, cursor_mask, &mouse_color, &bkgnd_color, right_ptr_x_hot, right_ptr_y_hot ); XFreePixmap(display, cursor); XFreePixmap(display, cursor_mask); break; case CENTER: cursor = XCreateBitmapFromData(display, RootWindow(display, DefaultScreen(display)), cntr_ptr_bits, cntr_ptr_width, cntr_ptr_height); cursor_mask = XCreateBitmapFromData(display, RootWindow(display, DefaultScreen(display)), cntr_ptrmsk_bits, cntr_ptrmsk_width, cntr_ptrmsk_height); mouse_cursor = XCreatePixmapCursor( display, cursor, cursor_mask, &mouse_color, &bkgnd_color, cntr_ptr_x_hot, cntr_ptr_y_hot ); XFreePixmap(display, cursor); XFreePixmap(display, cursor_mask); break; default: /* Error! Invalid style parameter. */ _XMErrorCode = XME_STYLE_PARAM; return(NULL); } if (mouse_cursor == _X_FAILURE) { _XMErrorCode = XME_CREATE_CURSOR; return(NULL); } /* * Open the pane and selection fonts. */ p_fnt_info = XLoadQueryFont(display, p_fnt_name); if (p_fnt_info == NULL) { _XMErrorCode = XME_OPEN_FONT; return(NULL); } s_fnt_info = XLoadQueryFont(display, s_fnt_name); if (s_fnt_info == NULL) { _XMErrorCode = XME_OPEN_FONT; return(NULL); } /* * Calculate the fixed padding value in pixels for each font. */ p_fnt_height = p_fnt_info->max_bounds.ascent + p_fnt_info->max_bounds.descent; s_fnt_height = s_fnt_info->max_bounds.ascent + s_fnt_info->max_bounds.descent; p_fnt_pad = s_spread * p_fnt_height; s_fnt_pad = s_spread * s_fnt_height; /* * Calculate fixed height and offset requirements. */ flag_height = p_fnt_height + (p_fnt_pad << 1); p_height = 0; p_y_off = flag_height + p_bdr_width; p_x_off = p_y_off * p_spread; s_height = s_fnt_height + (s_fnt_pad << 1) + (s_bdr_width << 1); s_y_off = s_height; s_x_off = p_x_off; /* * Set up the pane list header. */ pane->next = pane; pane->prev = pane; pane->type = PL_HEADER; pane->serial = -1; /* * Initialize the internal pane and selection creation queues. */ _XMWinQueInit(); /* * Create pane, active, and inactive GC's. */ values = (XGCValues *)malloc(sizeof(XGCValues)); valuemask = (GCForeground | GCBackground | GCFont | GCLineWidth); /* * First, pane. */ values->foreground = p_frg_color.pixel; values->background = bkgnd_color.pixel; values->font = p_fnt_info->fid; values->line_width = p_bdr_width; pane_GC = XCreateGC( display, RootWindow(display, DefaultScreen(display)), valuemask, values); /* * Then normal video selection. */ values->foreground = s_frg_color.pixel; values->background = bkgnd_color.pixel; values->font = s_fnt_info->fid; values->line_width = s_bdr_width; normal_select_GC = XCreateGC(display, RootWindow(display, DefaultScreen(display)), valuemask, values); /* * Inverse video selection. */ values->foreground = bkgnd_color.pixel; values->background = s_frg_color.pixel; values->font = s_fnt_info->fid; values->line_width = s_bdr_width; inverse_select_GC = XCreateGC(display, RootWindow(display, DefaultScreen(display)), valuemask, values); stipple_pixmap = XCreateBitmapFromData(display, RootWindow(display, DefaultScreen(display)), stipple_bits, stipple_width, stipple_height); /* * Finally, inactive pane header and selections */ valuemask |= (GCFillStyle | GCStipple); values->foreground = s_frg_color.pixel; values->background = bkgnd_color.pixel; values->font = s_fnt_info->fid; values->line_width = s_bdr_width; values->fill_style = FillStippled; values->stipple = stipple_pixmap; inact_GC = XCreateGC(display, RootWindow(display, DefaultScreen(display)), valuemask, values); valuemask |= (GCGraphicsExposures); values->graphics_exposures = False; inact_GC_noexpose = XCreateGC (display, RootWindow (display, DefaultScreen (display)), valuemask, values); /* * Construct the XMenu object. */ /* -------------------- Menu data -------------------- */ menu->menu_style = menu_style; menu->menu_mode = menu_mode; menu->freeze = freeze; menu->aeq = 0; menu->recompute = 1; menu->parent = parent; menu->height = 0; menu->width = 0; menu->mouse_cursor = mouse_cursor; menu->assoc_tab = assoc_tab; menu->p_list = pane; /* -------------------- Pane window data -------------------- */ menu->p_style = p_style; menu->p_events = DEF_P_EVENTS; menu->p_fnt_info = p_fnt_info; menu->p_fnt_pad = p_fnt_pad; menu->p_spread = p_spread; menu->p_bdr_width = p_bdr_width; menu->flag_height = flag_height; menu->p_width = 0; menu->p_height = p_height; menu->p_x_off = p_x_off; menu->p_y_off = p_y_off; menu->p_count = 0; menu->pane_GC = pane_GC; menu->x_pos = 0; menu->y_pos = 0; /* -------------------- Selection window data -------------------- */ menu->s_style = s_style; menu->s_events = DEF_S_EVENTS; menu->s_fnt_info = s_fnt_info; menu->s_fnt_pad = s_fnt_pad; menu->s_spread = s_spread; menu->s_bdr_width = s_bdr_width; /* unnecessary */ menu->s_width = 0; menu->s_height = s_height; menu->s_x_off = s_x_off; menu->s_y_off = s_y_off; menu->s_count = 0; menu->normal_select_GC = normal_select_GC; menu->inverse_select_GC = inverse_select_GC; menu->inact_GC = inact_GC; /* -------------------- Color data -------------------- */ menu->p_bdr_color = p_bdr_color.pixel; menu->s_bdr_color = s_bdr_color.pixel; menu->p_frg_color = p_frg_color.pixel; menu->s_frg_color = s_frg_color.pixel; menu->bkgnd_color = bkgnd_color.pixel; /* -------------------- Pixmap data -------------------- */ menu->p_bdr_pixmap = NULL; menu->s_bdr_pixmap = NULL; menu->p_frg_pixmap = NULL; menu->s_frg_pixmap = NULL; menu->bkgnd_pixmap = NULL; if (DisplayPlanes (display, DefaultScreen (display)) == 1) menu->inact_pixmap = inact_bitmap; else { int loop; menu->inact_pixmap = XCreatePixmap (display, parent, 16, 16, DisplayPlanes (display, DefaultScreen (display))); if (menu->inact_pixmap == NULL) { _XMErrorCode = XME_STORE_BITMAP; return(NULL); } XCopyPlane (display, inact_bitmap, menu->inact_pixmap, inact_GC_noexpose, 0, 0, 16, 16, 0, 0, 1); /* for (loop = 0; loop < DisplayPlanes (display, DefaultScreen (display)); loop++) { XCopyPlane (display, inact_bitmap, menu->inact_pixmap, inact_GC, 0, 0, 16, 16, 0, 0, (1 << loop)); } */ } /* * Return the completed XMenu. */ _XMErrorCode = XME_NO_ERROR; return(menu); }