diff options
Diffstat (limited to 'eazel-engine/src/eazel-theme-main.c')
| -rw-r--r-- | eazel-engine/src/eazel-theme-main.c | 1253 |
1 files changed, 0 insertions, 1253 deletions
diff --git a/eazel-engine/src/eazel-theme-main.c b/eazel-engine/src/eazel-theme-main.c deleted file mode 100644 index 9deebe0..0000000 --- a/eazel-engine/src/eazel-theme-main.c +++ /dev/null @@ -1,1253 +0,0 @@ -/* eazel-theme-main.c -- entry point - - Copyright (C) 1998 Randy Gordon, Integrand Systems - Copyright (C) 2000 Eazel, Inc. - - 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., 675 Mass Ave, Cambridge, MA 02139, USA. - - $Id: eazel-theme-main.c,v 1.15 2001/03/23 22:53:04 jsh Exp $ - - Authors: The Rasterman <raster@redhat.com> - Owen Taylor <otaylor@redhat.com> - Randy Gordon <randy@integrand.com> - John Harper <jsh@eazel.com> */ - -/* adapted from gtk-engines/notif/notif_theme_main.c - and gtk-engines/metal/metal_theme_main.c */ - -#include "eazel-theme.h" -#include <gdk/gdkrgb.h> -#include <string.h> -#include <stdlib.h> -#include <stdio.h> -#include <memory.h> -#include <gmodule.h> - -#ifndef G_TOKEN_COLON -# define G_TOKEN_COLON ((guint) ':') -#endif -#ifndef G_TOKEN_LESS_THAN -# define G_TOKEN_LESS_THAN ((guint) '<') -#endif -#ifndef G_TOKEN_GREATER_THAN -# define G_TOKEN_GREATER_THAN ((guint) '>') -#endif - -#define WINDOW_FOCUS_DATA_KEY "eazel-engine-focus-data" -static GQuark window_focus_data_key; - -/* saved values */ -static int range_slider_width, range_min_slider_size, range_stepper_size, - range_stepper_slider_spacing, scale_slider_length, - check_size, check_spacing; - -static void install_focus_hooks (GdkWindow *window); -static void uninstall_all_focus_hooks (void); - - -/* utilities */ - -static char * -read_line_from_file (char *filename) -{ - gboolean free_filename = FALSE; - FILE *fh; - char *ret = 0; - - if (!g_path_is_absolute (filename)) - { - char *home = g_get_home_dir (); - char buf[PATH_MAX]; - g_snprintf (buf, PATH_MAX, "%s/%s", home, filename); - filename = g_strdup (buf); - free_filename = TRUE; - } - - fh = fopen (filename, "r"); - if (fh != 0) - { - char buf[256]; - if (fgets (buf, sizeof (buf), fh) != 0) - { - int len = strlen (buf); - if (len > 0) - buf[len-1] = 0; - ret = g_strdup (buf); - } - fclose (fh); - } - - if (free_filename) - g_free (filename); - - return ret; -} - - -/* internals */ - -struct symbol_struct { - gchar *name; - guint token; -}; - -static struct symbol_struct theme_symbols[] = { THEME_SYMBOLS }; - -static guint n_theme_symbols = (sizeof(theme_symbols) / sizeof(theme_symbols[0])) - 1; - -static struct symbol_struct stock_symbols[] = { STOCK_SYMBOLS }; - -static guint n_stock_symbols = (sizeof(stock_symbols) / sizeof(stock_symbols[0])) - 1; - -static eazel_theme_data *default_theme_data; -static eazel_engine_stock_table *default_stock_data; - -static eazel_theme_data original_theme_data = DEFAULT_THEME_DATA; - -static int -stock_index (const char *symbol) -{ - int i; - for (i = 0; i < n_stock_symbols; i++) - { - if (strcmp (symbol, stock_symbols[i].name) == 0) - return i; - } - g_error ("Unknown stock symbol: `%s'\n", symbol); - exit (1); -} - -static void -theme_data_ref (eazel_theme_data *theme_data) -{ - theme_data->refcount++; -} - -static void -theme_data_unref (eazel_theme_data *theme_data) -{ - theme_data->refcount--; - if (theme_data->refcount == 0) - { - int i; - for (i = 0; i < 5; i++) - { - if (theme_data->gradients[i] != NULL) - eazel_engine_gradient_unref (theme_data->gradients[i]); - } - eazel_engine_stock_table_unref (theme_data->stock); - g_free (theme_data); - } -} - -static guint -parse_int_assign (GScanner *scanner, guint *value) -{ - guint token; - - (void) g_scanner_get_next_token (scanner); - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_EQUAL_SIGN) - return G_TOKEN_EQUAL_SIGN; - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_INT) - return G_TOKEN_INT; - - *value = scanner->value.v_int; - return G_TOKEN_NONE; -} - -static guint -parse_int_array_assign (GScanner *scanner, guint *value, int size) -{ - guint token; - int i; - - (void) g_scanner_get_next_token (scanner); - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_EQUAL_SIGN) - return G_TOKEN_EQUAL_SIGN; - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_LEFT_CURLY) - return G_TOKEN_LEFT_CURLY; - - for (i = 0; i < size; i++) - { - if (i != 0) - { - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_COMMA) - return G_TOKEN_COMMA; - } - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_INT) - return G_TOKEN_INT; - - value[i] = scanner->value.v_int; - } - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_RIGHT_CURLY) - return G_TOKEN_RIGHT_CURLY; - - return G_TOKEN_NONE; -} - -static guint -parse_boolean_assign (GScanner *scanner, gboolean *value) -{ - guint token; - - (void) g_scanner_get_next_token (scanner); - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_EQUAL_SIGN) - return G_TOKEN_EQUAL_SIGN; - - token = g_scanner_get_next_token (scanner); - if (token == TOKEN_YES) - { - *value = TRUE; - return G_TOKEN_NONE; - } - else - { - *value = FALSE; - return G_TOKEN_NONE; - } -} - -static guint -parse_string_assign (GScanner *scanner, char **value) -{ - guint token; - - (void) g_scanner_get_next_token (scanner); - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_EQUAL_SIGN) - return G_TOKEN_EQUAL_SIGN; - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_STRING) - return G_TOKEN_STRING; - - *value = g_strdup (scanner->value.v_string); - return G_TOKEN_NONE; -} - -static guint -parse_color (eazel_theme_data *theme_data, GScanner *scanner, GdkColor *color) -{ - guint token; - - token = g_scanner_peek_next_token (scanner); - if (theme_data != 0 && token == G_TOKEN_LESS_THAN) - { - (void) g_scanner_get_next_token (scanner); - - token = g_scanner_get_next_token (scanner); - - if (token == G_TOKEN_INT) - { - int index = scanner->value.v_int; - - if (index < 0 || index >= EAZEL_ENGINE_PALETTE_SIZE) - { - g_error ("Palette only has %d entries\n", - EAZEL_ENGINE_PALETTE_SIZE); - } - - index = CLAMP (index, 0, EAZEL_ENGINE_PALETTE_SIZE - 1); - - /* XXX just taking the first color of the gradient.. */ - if (theme_data->palette[index] != 0) - *color = theme_data->palette[index]->from; - else - g_error ("No color in palette with index %d", index); - - token = g_scanner_peek_next_token (scanner); - if (token == G_TOKEN_COMMA) - { - float tem; - - (void) g_scanner_get_next_token (scanner); - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_FLOAT) - return G_TOKEN_FLOAT; - - tem = color->red; - tem *= scanner->value.v_float; - color->red = tem; - - tem = color->green; - tem *= scanner->value.v_float; - color->green = tem; - - tem = color->blue; - tem *= scanner->value.v_float; - color->blue = tem; - } - } - else if (token == G_TOKEN_STRING) - { - char *string; - gboolean ret = FALSE; - - string = read_line_from_file (scanner->value.v_string); - if (string != 0) - ret = gdk_color_parse (string, color); - - if (!ret) - { - /* Default to the Eazel Teal color */ - color->red = 0x5050; - color->green = 0x8080; - color->blue = 0x8383; - } - - g_free (string); - } - else - return G_TOKEN_INT; - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_GREATER_THAN) - return G_TOKEN_GREATER_THAN; - - return G_TOKEN_NONE; - } - else - return gtk_rc_parse_color (scanner, color); -} - -static guint -parse_n_colors (eazel_theme_data *theme_data, - GScanner *scanner, GdkColor *value, int n) -{ - guint token; - int i; - for (i = 0; i < n; i++) - { - if (i != 0) - { - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_COMMA) - return G_TOKEN_COMMA; - } - - token = parse_color (theme_data, scanner, value + i); - if (token != G_TOKEN_NONE) - return token; - } - return G_TOKEN_NONE; -} - -static guint -parse_n_color_assign (eazel_theme_data *theme_data, - GScanner *scanner, GdkColor *value, int n) -{ - guint token; - - (void) g_scanner_get_next_token (scanner); - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_EQUAL_SIGN) - return G_TOKEN_EQUAL_SIGN; - - return parse_n_colors (theme_data, scanner, value, n); -} - -static guint -parse_color_assign (eazel_theme_data *theme_data, - GScanner *scanner, GdkColor *color) -{ - return parse_n_color_assign (theme_data, scanner, color, 1); -} - -static guint -parse_standard_color_assign (eazel_theme_data *theme_data, GScanner *scanner, - GtkRcStyle *rc_style, GdkColor *colors, int flag) -{ - GtkStateType state; - guint token; - - (void) g_scanner_get_next_token (scanner); - - token = gtk_rc_parse_state (scanner, &state); - if (token != G_TOKEN_NONE) - return token; - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_EQUAL_SIGN) - return G_TOKEN_EQUAL_SIGN; - - token = parse_color (theme_data, scanner, colors + state); - if (token != G_TOKEN_NONE) - return token; - - rc_style->color_flags[state] |= flag; - return G_TOKEN_NONE; -} - -static guint -parse_gradient (eazel_theme_data *theme_data, GScanner *scanner, - eazel_engine_gradient **gradient) -{ - eazel_engine_gradient_direction direction; - GdkColor from; - GSList *colors = NULL; - - guint token; - - token = g_scanner_get_next_token (scanner); - - if (token == G_TOKEN_LESS_THAN) - { - int index; - - /* a palette reference */ - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_INT) - return G_TOKEN_INT; - - index = scanner->value.v_int; - if (index < 0 || index >= EAZEL_ENGINE_PALETTE_SIZE) - { - g_error ("Palette only has %d entries\n", - EAZEL_ENGINE_PALETTE_SIZE); - } - - if (theme_data->palette[index] != 0) - *gradient = eazel_engine_gradient_ref (theme_data->palette[index]); - else - g_error ("No color in palette with index %d", index); - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_GREATER_THAN) - return G_TOKEN_GREATER_THAN; - - return G_TOKEN_NONE; - } - else if (token != G_TOKEN_LEFT_CURLY) - return G_TOKEN_LEFT_CURLY; - - token = g_scanner_peek_next_token (scanner); - if (token == TOKEN_HORIZONTAL) - { - direction = GRADIENT_HORIZONTAL; - (void) g_scanner_get_next_token (scanner); - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_COLON) - return G_TOKEN_COLON; - } - else if (token == TOKEN_VERTICAL) - { - direction = GRADIENT_VERTICAL; - (void) g_scanner_get_next_token (scanner); - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_COLON) - return G_TOKEN_COLON; - } - else if (token == G_TOKEN_RIGHT_CURLY) - direction = GRADIENT_NONE; - else - direction = GRADIENT_VERTICAL; - - if (direction != GRADIENT_NONE) - { - token = parse_color (theme_data, scanner, &from); - if (token != G_TOKEN_NONE) - return token; - - while (1) - { - float weight = 1.0; - GdkColor color; - eazel_engine_gradient_component *component; - - token = g_scanner_peek_next_token (scanner); - if (token == G_TOKEN_COMMA) - (void) g_scanner_get_next_token (scanner); - else if (token == G_TOKEN_LEFT_BRACE) - { - (void) g_scanner_get_next_token (scanner); - - token = g_scanner_get_next_token (scanner); - if (token == G_TOKEN_FLOAT) - weight = scanner->value.v_float; - else if (token == G_TOKEN_INT) - weight = scanner->value.v_int; - else - return G_TOKEN_FLOAT; - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_RIGHT_BRACE) - return G_TOKEN_RIGHT_BRACE; - } - else - break; - - token = parse_color (theme_data, scanner, &color); - if (token != G_TOKEN_NONE) - return token; - - component = g_new (eazel_engine_gradient_component, 1); - component->color = color; - component->weight = weight; - colors = g_slist_prepend (colors, component); - } - - colors = g_slist_reverse (colors); - } - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_RIGHT_CURLY) - return G_TOKEN_RIGHT_CURLY; - - if (*gradient != NULL) - eazel_engine_gradient_unref (*gradient); - *gradient = eazel_engine_gradient_new (direction, &from, colors); - - return G_TOKEN_NONE; -} - -static guint -parse_gradient_assign (eazel_theme_data *theme_data, GScanner *scanner, - eazel_engine_gradient **gradients) -{ - guint token, state; - - (void) g_scanner_get_next_token (scanner); - - token = gtk_rc_parse_state (scanner, &state); - if (token != G_TOKEN_NONE) - return token; - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_EQUAL_SIGN) - return G_TOKEN_EQUAL_SIGN; - - token = parse_gradient (theme_data, scanner, gradients + state); - if (token != G_TOKEN_NONE) - return token; - - return G_TOKEN_NONE; -} - -static guint -parse_1_gradient_assign (eazel_theme_data *theme_data, GScanner *scanner, - eazel_engine_gradient **gradient) -{ - guint token; - - (void) g_scanner_get_next_token (scanner); - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_EQUAL_SIGN) - return G_TOKEN_EQUAL_SIGN; - - token = parse_gradient (theme_data, scanner, gradient); - if (token != G_TOKEN_NONE) - return token; - - return G_TOKEN_NONE; -} - -static guint -parse_stock_stmt (GScanner *scanner, eazel_theme_data *theme_data, - eazel_engine_stock_table **table_ptr) -{ - eazel_engine_stock_table *table = g_new0 (eazel_engine_stock_table, 1); - guint token; - - table->ref_count = 1; - - (void) g_scanner_get_next_token (scanner); - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_LEFT_CURLY) - return G_TOKEN_LEFT_CURLY; - - token = g_scanner_peek_next_token (scanner); - while (token != G_TOKEN_RIGHT_CURLY) - { - switch (token) - { - guint stock; - eazel_engine_image *image; - - case G_TOKEN_STRING: - (void) g_scanner_get_next_token (scanner); - - stock = stock_index (scanner->value.v_string); - image = &table->images[stock]; - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_LEFT_CURLY) - return G_TOKEN_LEFT_CURLY; - - token = g_scanner_peek_next_token (scanner); - while (token != G_TOKEN_RIGHT_CURLY) - { - switch (token) - { - case TOKEN_IMAGE: - token = parse_string_assign (scanner, &image->filename); - break; - - case TOKEN_BORDER: - token = parse_int_array_assign (scanner, image->border, 4); - break; - - case TOKEN_RECOLOR: - token = parse_1_gradient_assign (theme_data, scanner, - &image->recolor); - break; - - default: - g_scanner_get_next_token (scanner); - token = G_TOKEN_RIGHT_CURLY; - break; - } - - if (token != G_TOKEN_NONE) - goto out; - - token = g_scanner_peek_next_token (scanner); - } - - token = g_scanner_get_next_token (scanner); - if (token == G_TOKEN_RIGHT_CURLY) - token = G_TOKEN_NONE; - else - token = G_TOKEN_RIGHT_CURLY; - break; - - default: - g_scanner_get_next_token (scanner); - token = G_TOKEN_RIGHT_CURLY; - break; - } - - out: - if (token != G_TOKEN_NONE) - { - g_free (table); - return token; - } - - token = g_scanner_peek_next_token (scanner); - } - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_RIGHT_CURLY) - return G_TOKEN_RIGHT_CURLY; - - *table_ptr = table; - return G_TOKEN_NONE; -} - -static guint -parse_palette_assign (GScanner *scanner, eazel_theme_data *theme_data) -{ - int index; - guint token; - - (void) g_scanner_get_next_token (scanner); - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_LEFT_BRACE) - return G_TOKEN_LEFT_BRACE; - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_INT) - return G_TOKEN_INT; - - index = scanner->value.v_int; - if (index < 0 || index >= EAZEL_ENGINE_PALETTE_SIZE) - { - g_error ("Only %d colors are allowed in the palette", - EAZEL_ENGINE_PALETTE_SIZE); - } - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_RIGHT_BRACE) - return G_TOKEN_RIGHT_BRACE; - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_EQUAL_SIGN) - return G_TOKEN_EQUAL_SIGN; - - token = parse_gradient (theme_data, scanner, &theme_data->palette[index]); - if (token != G_TOKEN_NONE) - return token; - - return G_TOKEN_NONE; -} - -/* external theme functions called */ - -static guint -theme_parse_rc_style (GScanner *scanner, GtkRcStyle *rc_style) -{ - static GQuark scope_id = 0; - guint old_scope; - guint token; - eazel_theme_data *theme_data; - gint i; - gboolean had_stock_table = FALSE; - - /* Set up a new scope in this scanner. */ - - if (!scope_id) - scope_id = g_quark_from_string ("theme_engine"); - - /* If we bail out due to errors, we *don't* reset the scope, so the - error messaging code can make sense of our tokens. */ - old_scope = g_scanner_set_scope (scanner, scope_id); - - /* Now check if we already added our symbols to this scope - (in some previous call to theme_parse_rc_style for the - same scanner. */ - - if (!g_scanner_lookup_symbol (scanner, theme_symbols[0].name)) - { - g_scanner_freeze_symbol_table(scanner); - for (i = 0; i < n_theme_symbols; i++) - { - g_scanner_scope_add_symbol (scanner, scope_id, - theme_symbols[i].name, - GINT_TO_POINTER(theme_symbols[i].token)); - } - g_scanner_thaw_symbol_table (scanner); - } - - /* We're ready to go, now parse the top level */ - - theme_data = g_new (eazel_theme_data, 1); - if (default_theme_data != 0) - memcpy (theme_data, default_theme_data, sizeof (eazel_theme_data)); - else - memcpy (theme_data, &original_theme_data, sizeof (eazel_theme_data)); - - /* ref all gradients */ - for (i = 0; i < 5; i++) - { - if (theme_data->gradients[i] != NULL) - theme_data->gradients[i] = (eazel_engine_gradient_ref - (theme_data->gradients[i])); - } - for (i = 0; i < EAZEL_ENGINE_PALETTE_SIZE; i++) - { - if (theme_data->palette[i] != NULL) - theme_data->palette[i] = (eazel_engine_gradient_ref - (theme_data->palette[i])); - } - - theme_data->refcount = 1; - - if (default_stock_data != 0) - theme_data->stock = eazel_engine_stock_table_ref (default_stock_data); - else - theme_data->stock = 0; - - token = g_scanner_peek_next_token(scanner); - while (token != G_TOKEN_RIGHT_CURLY) - { - switch (token) - { - gboolean tem; - eazel_engine_stock_table *stock_tem; - - case TOKEN_THICKNESS: - token = parse_int_assign (scanner, &theme_data->thickness); - break; - - case TOKEN_FOCUS_THICKNESS: - token = parse_int_assign (scanner, &theme_data->focus_thickness); - break; - - case TOKEN_DEFAULT_THICKNESS: - token = parse_int_assign (scanner, &theme_data->default_thickness); - break; - - case TOKEN_FOCUS_COLOR: - token = parse_color_assign (theme_data, scanner, - &theme_data->focus_color); - break; - - case TOKEN_INSENSITIVE_COLORS: - token = parse_n_color_assign (theme_data, scanner, - theme_data->insensitive_colors, 2); - break; - - case TOKEN_GRADIENT: - token = parse_gradient_assign (theme_data, scanner, - theme_data->gradients); - break; - - case TOKEN_SHADOW: - token = parse_boolean_assign (scanner, &tem); - if (token == G_TOKEN_NONE) - theme_data->no_shadow = !tem; - break; - - case TOKEN_INVERSE_SHADOW: - token = parse_boolean_assign (scanner, &tem); - if (token == G_TOKEN_NONE) - theme_data->inverse_shadow = tem; - break; - - case TOKEN_OUTLINE_SHADOW: - token = parse_boolean_assign (scanner, &tem); - if (token == G_TOKEN_NONE) - theme_data->outline_shadow = !tem; - break; - - case TOKEN_PALETTE: - token = parse_palette_assign (scanner, theme_data); - break; - - case TOKEN_STOCK: - token = parse_stock_stmt (scanner, theme_data, &stock_tem); - if (token == G_TOKEN_NONE) - { - if (theme_data->stock != 0) - eazel_engine_stock_table_unref (theme_data->stock); - - theme_data->stock = stock_tem; - had_stock_table = TRUE; - } - break; - - case TOKEN_FG: - token = parse_standard_color_assign (theme_data, scanner, rc_style, - rc_style->fg, GTK_RC_FG); - break; - - case TOKEN_BG: - token = parse_standard_color_assign (theme_data, scanner, rc_style, - rc_style->bg, GTK_RC_BG); - break; - - case TOKEN_BASE: - token = parse_standard_color_assign (theme_data, scanner, rc_style, - rc_style->base, GTK_RC_BASE); - break; - - case TOKEN_TEXT: - token = parse_standard_color_assign (theme_data, scanner, rc_style, - rc_style->text, GTK_RC_TEXT); - break; - - default: - g_scanner_get_next_token (scanner); - token = G_TOKEN_RIGHT_CURLY; - break; - } - - if (token != G_TOKEN_NONE) - { - g_free (theme_data); - return token; - } - - token = g_scanner_peek_next_token (scanner); - } - - g_scanner_get_next_token(scanner); - - if (theme_data->stock == 0) - g_error ("First `engine' section must include a `stock' section."); - - if (had_stock_table) - { - /* Defining a stock table makes it the default for any - engine sections in the future that don't have one.. */ - - if (default_stock_data != 0) - eazel_engine_stock_table_unref (default_stock_data); - - default_stock_data = eazel_engine_stock_table_ref (theme_data->stock); - - /* Engine data section with stock table (usually the first in - in the file) sets some other default values. A hack, but - a very useful one! */ - - if (default_theme_data != 0) - theme_data_unref (default_theme_data); - - theme_data_ref (theme_data); - default_theme_data = theme_data; - } - - rc_style->engine_data = theme_data; - g_scanner_set_scope (scanner, old_scope); - - return G_TOKEN_NONE; -} - -static void -theme_merge_rc_style (GtkRcStyle *dest, GtkRcStyle *src) -{ - eazel_theme_data *src_data = src->engine_data; - - if (!dest->engine_data) - { - if (src_data) - { - theme_data_ref (src_data); - dest->engine_data = src_data; - } - } -} - -static void -theme_rc_style_to_style (GtkStyle *style, GtkRcStyle *rc_style) -{ - eazel_theme_data *data = rc_style->engine_data; - - switch (data->thickness) - { - case 0: - style->klass = &eazel_class_0; - break; - case 1: - style->klass = &eazel_class_1; - break; - case 3: - style->klass = &eazel_class_3; - break; - default: - g_warning ("eazel theme: Invalid thickness %d in RC file\n", - data->thickness); - /* FALL THROUGH */ - case 2: - style->klass = &eazel_class_2; - break; - } - style->engine_data = data; - theme_data_ref (data); -} - -static void -theme_duplicate_style (GtkStyle *dest, GtkStyle *src) -{ - dest->klass = src->klass; - dest->engine_data = src->engine_data; - theme_data_ref (dest->engine_data); -} - -static void -theme_realize_style (GtkStyle *style) -{ -} - -static void -theme_unrealize_style (GtkStyle *style) -{ -} - -static void -theme_destroy_rc_style (GtkRcStyle *rc_style) -{ - theme_data_unref (rc_style->engine_data); - rc_style->engine_data = NULL; -} - -static void -theme_destroy_style (GtkStyle *style) -{ - theme_data_unref (style->engine_data); - style->engine_data = NULL; -} - -static void -theme_set_background(GtkStyle *style, GdkWindow *window, - GtkStateType state_type) -{ - GdkPixmap *pixmap; - gint parent_relative; - eazel_theme_data *theme_data; - - g_return_if_fail (style != NULL); - g_return_if_fail (window != NULL); - - theme_data = STYLE_THEME_DATA (style); - g_assert (theme_data != NULL); - - if (style->bg_pixmap[state_type]) - { - if (style->bg_pixmap[state_type] == (GdkPixmap *) GDK_PARENT_RELATIVE) - { - pixmap = NULL; - parent_relative = TRUE; - } - else - { - pixmap = style->bg_pixmap[state_type]; - parent_relative = FALSE; - } - - gdk_window_set_back_pixmap (window, pixmap, parent_relative); - } - else - gdk_window_set_background (window, &style->bg[state_type]); - - install_focus_hooks (window); -} - -void -theme_init (GtkThemeEngine * engine) -{ - GtkRangeClass *rangeclass; - GtkScaleClass *scaleclass; - GtkCheckButtonClass *checkclass; - - window_focus_data_key = g_quark_from_static_string (WINDOW_FOCUS_DATA_KEY); - - engine->parse_rc_style = theme_parse_rc_style; - engine->merge_rc_style = theme_merge_rc_style; - engine->rc_style_to_style = theme_rc_style_to_style; - engine->duplicate_style = theme_duplicate_style; - engine->realize_style = theme_realize_style; - engine->unrealize_style = theme_unrealize_style; - engine->destroy_rc_style = theme_destroy_rc_style; - engine->destroy_style = theme_destroy_style; - engine->set_background = theme_set_background; - - /* make scrollbar the correct width */ - rangeclass = (GtkRangeClass *) gtk_type_class (gtk_range_get_type ()); - range_slider_width = rangeclass->slider_width; - range_min_slider_size = rangeclass->min_slider_size; - range_stepper_size = rangeclass->stepper_size; - range_stepper_slider_spacing = rangeclass->stepper_slider_spacing; - rangeclass->slider_width = RANGE_WIDTH - 4; - rangeclass->min_slider_size = MIN_THUMB_HEIGHT; - rangeclass->stepper_size = RANGE_WIDTH - 4; - rangeclass->stepper_slider_spacing = 0; - - /* Make scale slider smaller */ - scaleclass = (GtkScaleClass *)gtk_type_class(gtk_scale_get_type()); - scale_slider_length = scaleclass->slider_length; - scaleclass->slider_length = SCALE_HEIGHT; - - /* Make check/radio buttons bigger */ - checkclass = (GtkCheckButtonClass *)gtk_type_class(gtk_check_button_get_type()); - check_size = checkclass->indicator_size; - check_spacing = checkclass->indicator_spacing; - checkclass->indicator_size = CHECK_SIZE; - checkclass->indicator_spacing = CHECK_SPACING; - - eazel_engine_install_hacks (); - - gdk_rgb_init (); - - /* Initialize default theme data */ - original_theme_data.gradients[0] = eazel_engine_make_two_point_gradient (GRADIENT_VERTICAL, 0xeeeeee, 0xaaaaaa); - original_theme_data.gradients[1] = eazel_engine_make_two_point_gradient (GRADIENT_VERTICAL, 0xcccccc, 0x888888); - original_theme_data.gradients[2] = eazel_engine_make_two_point_gradient (GRADIENT_VERTICAL, 0xffffff, 0xbbbbbb); - original_theme_data.gradients[3] = eazel_engine_make_two_point_gradient (GRADIENT_VERTICAL, 0xcccccc, 0x888888); -} - -void -theme_exit (void) -{ - GtkRangeClass *rangeclass; - GtkScaleClass *scaleclass; - GtkCheckButtonClass *checkclass; - - rangeclass = (GtkRangeClass *)gtk_type_class(gtk_range_get_type()); - scaleclass = (GtkScaleClass *)gtk_type_class(gtk_scale_get_type()); - checkclass = (GtkCheckButtonClass *)gtk_type_class(gtk_check_button_get_type()); - - rangeclass->slider_width = range_slider_width; - rangeclass->min_slider_size = range_min_slider_size; - rangeclass->stepper_size = range_stepper_size; - rangeclass->stepper_slider_spacing = range_stepper_slider_spacing; - - scaleclass->slider_length = scale_slider_length; - - checkclass->indicator_size = check_size; - checkclass->indicator_spacing = check_spacing; - - eazel_engine_remove_hacks (); - uninstall_all_focus_hooks (); -} - - -/* Focus change hooks */ - -typedef struct focus_change_data_struct focus_change_data; -struct focus_change_data_struct { - GtkWidget *widget; - - gboolean is_focused; - gboolean connected; - - guint focus_in_signal_id; - guint focus_out_signal_id; - guint destroyed_signal_id; -}; - -static GSList *focus_data_list = NULL; - -static focus_change_data * -get_focus_data (GtkWidget *widget, gboolean add) -{ - GtkWidget *toplevel = gtk_widget_get_toplevel (widget); - focus_change_data *data = gtk_object_get_data_by_id (GTK_OBJECT (toplevel), - window_focus_data_key); - if (data == 0 && add) - { - data = g_new0 (focus_change_data, 1); - data->widget = widget; - gtk_object_set_data_by_id_full (GTK_OBJECT (toplevel), - window_focus_data_key, - data, g_free); - focus_data_list = g_slist_prepend (focus_data_list, data); - } - - return data; -} - -static void -focus_change_helper (GtkWidget *widget, gpointer data) -{ - if (GTK_IS_CONTAINER (widget)) - { - gtk_container_forall (GTK_CONTAINER (widget), - focus_change_helper, NULL); - } - else if (GTK_IS_RANGE (widget)) - { - gtk_widget_queue_draw (widget); - } - else if (GTK_IS_PROGRESS (widget)) - { - /* This is horrible. But the GtkProgress widget stores the - progress bar in a pixmap, then blits it on expose. But - it will refresh the pixmap when asked to resize.. */ - if (GTK_WIDGET_DRAWABLE (widget)) - gtk_widget_queue_resize (widget); - } -} - -static void -window_focus_in_callback (GtkWidget *window, GdkEventFocus *event, - focus_change_data *data) -{ - data->is_focused = TRUE; - gtk_container_forall (GTK_CONTAINER (window), - focus_change_helper, NULL); -} - -static void -window_focus_out_callback (GtkWidget *window, GdkEventFocus *event, - focus_change_data *data) -{ - data->is_focused = FALSE; - gtk_container_forall (GTK_CONTAINER (window), - focus_change_helper, NULL); -} - -static void -window_destroyed_callback (GtkWidget *window, focus_change_data *data) -{ - focus_data_list = g_slist_remove (focus_data_list, data); -} - -gboolean -eazel_engine_widget_in_focused_window_p (GtkWidget *widget) -{ - focus_change_data *data = get_focus_data (widget, FALSE); - return (data != 0) ? data->is_focused : FALSE; -} - -static void -install_focus_hooks (GdkWindow *window) -{ - /* Evilness */ - GtkWidget *widget; - gdk_window_get_user_data (window, (gpointer *) &widget); - if (widget != NULL && GTK_IS_WINDOW (widget)) - { - focus_change_data *data = get_focus_data (widget, TRUE); - if (!data->connected) - { - /* Connect to this window so we get focus-in/out events */ - data->focus_in_signal_id - = gtk_signal_connect (GTK_OBJECT (widget), "focus_in_event", - window_focus_in_callback, data); - data->focus_out_signal_id - = gtk_signal_connect (GTK_OBJECT (widget), "focus_out_event", - window_focus_out_callback, data); - data->destroyed_signal_id - = gtk_signal_connect (GTK_OBJECT (widget), "destroy", - window_destroyed_callback, data); - - data->connected = TRUE; - } - } -} - -static void -uninstall_all_focus_hooks (void) -{ - GSList *ptr; - for (ptr = focus_data_list; ptr != 0; ptr = ptr->next) - { - focus_change_data *data = ptr->data; - if (data->connected) - { - gtk_signal_disconnect (GTK_OBJECT (data->widget), - data->focus_in_signal_id); - gtk_signal_disconnect (GTK_OBJECT (data->widget), - data->focus_out_signal_id); - gtk_signal_disconnect (GTK_OBJECT (data->widget), - data->destroyed_signal_id); - } - gtk_object_remove_data_by_id (GTK_OBJECT (data->widget), - window_focus_data_key); - } - g_slist_free (focus_data_list); - focus_data_list = NULL; -} - - -/* The following function will be called by GTK+ when the module - * is loaded and checks to see if we are compatible with the - * version of GTK+ that loads us. - */ - -G_MODULE_EXPORT const gchar *g_module_check_init (GModule *module); - -const gchar * -g_module_check_init (GModule *module) -{ - return gtk_check_version (GTK_MAJOR_VERSION, - GTK_MINOR_VERSION, - GTK_MICRO_VERSION - GTK_INTERFACE_AGE); -} |