/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ /* nautilus-gdk-extensions.c: Graphics routines to augment what's in gdk. Copyright (C) 1999, 2000 Eazel, Inc. The Gnome Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. The Gnome Library 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the Gnome Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. Authors: Darin Adler , Pavel Cisler , Ramiro Estrugo */ #include #include #include "nautilus-gdk-extensions.h" #include #include #include #include "nautilus-glib-extensions.h" #include "nautilus-lib-self-check-functions.h" #include "nautilus-string.h" #define GRADIENT_BAND_SIZE 4 /** * nautilus_fill_rectangle: * @drawable: Target to draw into. * @gc: Graphics context (mainly for clip). * @rectangle: Rectangle to fill. * * Fill the rectangle with the foreground color. * Convenient when you have a GdkRectangle structure. */ void nautilus_fill_rectangle (GdkDrawable *drawable, GdkGC *gc, const GdkRectangle *rectangle) { gdk_draw_rectangle (drawable, gc, TRUE, rectangle->x, rectangle->y, rectangle->width, rectangle->height); } /** * nautilus_fill_rectangle_with_color: * @drawable: Target to draw into. * @gc: Graphics context (mainly for clip). * @rectangle: Rectangle to fill. * @color: Color to fill with. * * Fill the rectangle with a color. * Convenient when you have a GdkRectangle structure. */ void nautilus_fill_rectangle_with_color (GdkDrawable *drawable, GdkGC *gc, const GdkRectangle *rectangle, guint32 rgb) { GdkGCValues saved_values; /* FIXME bugzilla.eazel.com 1287: Workaround for a bug in gdk_rgb. */ gdk_rgb_init (); gdk_gc_get_values (gc, &saved_values); gdk_rgb_gc_set_foreground (gc, rgb); nautilus_fill_rectangle (drawable, gc, rectangle); gdk_gc_set_foreground (gc, &saved_values.foreground); } /** * nautilus_rectangle_contains: * @rectangle: Rectangle possibly containing a point. * @x: X coordinate of a point. * @y: Y coordinate of a point. * * Retun TRUE if point is contained inside a rectangle */ gboolean nautilus_rectangle_contains (const GdkRectangle *rectangle, int x, int y) { g_return_val_if_fail (rectangle != NULL, FALSE); return rectangle->x <= x && rectangle->x + rectangle->width >= x && rectangle->y <= y && rectangle->y + rectangle->height >= y; } /** * nautilus_rectangle_inset: * @rectangle: Rectangle we are insetting. * @x: Horizontal ammount to inset by. * @y: Vertical ammount to inset by. * * Inset a rectangle by a given horizontal and vertical ammount. * Pass in negative inset values to grow the rectangle, positive to * shrink it. */ void nautilus_rectangle_inset (GdkRectangle *rectangle, int x, int y) { g_return_if_fail (rectangle != NULL); rectangle->x += x; rectangle->width -= 2 * x; rectangle->y += y; rectangle->height -= 2 * y; } /** * nautilus_interpolate_color: * @ratio: Place on line between colors to interpolate. * @start_color: Color for one end. * @end_color: Color for the other end * @interpolated_color: Result. * * Compute a color between @start_color and @end_color in color space. * Currently, the color space used is RGB, but a future version could * instead do the interpolation in the best color space for expressing * human perception. */ guint32 nautilus_interpolate_color (gdouble ratio, guint32 start_rgb, guint32 end_rgb) { guchar red, green, blue; g_return_val_if_fail (ratio >= 0.0, 0); g_return_val_if_fail (ratio <= 1.0, 0); red = ((start_rgb >> 16) & 0xFF) * (1.0 - ratio) + ((end_rgb >> 16) & 0xFF) * ratio; green = ((start_rgb >> 8) & 0xFF) * (1.0 - ratio) + ((end_rgb >> 8) & 0xFF) * ratio; blue = (start_rgb & 0xFF) * (1.0 - ratio) + (end_rgb & 0xFF) * ratio; return (((red << 8) | green) << 8) | blue; } /** * nautilus_gradient_new * @start_color: Color for the top or left. * @end_color: Color for the bottom or right. * @is_horizontal: Direction of the gradient. * * Create a string that combines the start and end colors along * with the direction of the gradient in a standard format. */ char * nautilus_gradient_new (const char *start_color, const char *end_color, gboolean is_horizontal) { g_return_val_if_fail (is_horizontal == FALSE || is_horizontal == TRUE, NULL); /* Handle the special case where the start and end colors are identical. Handle the special case where the end color is an empty string. */ if (nautilus_strcmp(start_color, end_color) == 0 || end_color == NULL || end_color[0] == '\0') { return g_strdup (start_color); } /* Handle the special case where the start color is an empty string. */ if (start_color == NULL || start_color[0] == '\0') { return g_strdup (end_color); } /* Handle the general case. */ return g_strconcat (start_color, "-", end_color, is_horizontal ? ":h" : NULL, NULL); } /** * nautilus_gradient_is_gradient * @gradient_spec: A gradient spec. string. * * Return true if the spec. specifies a gradient instead of a solid color. */ gboolean nautilus_gradient_is_gradient (const char *gradient_spec) { return nautilus_strchr (gradient_spec, '-') != NULL; } /** * nautilus_gradient_is_horizontal * @gradient_spec: A gradient spec. string. * * Return true if the spec. specifies a horizontal gradient. */ gboolean nautilus_gradient_is_horizontal (const char *gradient_spec) { size_t length; length = nautilus_strlen (gradient_spec); return length >= 2 && gradient_spec[length - 2] == ':' && gradient_spec[length - 1] == 'h'; } static char * nautilus_gradient_strip_trailing_direction_if_any (const char *gradient_spec) { size_t length; length = nautilus_strlen (gradient_spec); if (length >= 2 && gradient_spec[length - 2] == ':' && (gradient_spec[length - 1] == 'v' || gradient_spec[length - 1] == 'h')) { length -= 2; } return g_strndup (gradient_spec, length); } /* For parsing n-point gradients. Successive calls should pass the next_spec value * set by the previous call as their first argument - to continue parsing where the * previous call left off. */ char * nautilus_gradient_parse_one_color_spec (const char *spec, int *percent, const char **next_spec) { char *result; const char *rgb_end_ptr; const char *percent_ptr; const char *separator_ptr; percent_ptr = nautilus_strchr (spec, '%'); separator_ptr = nautilus_strchr (spec, '-'); if (percent_ptr != NULL && (separator_ptr == NULL || percent_ptr < separator_ptr)) { if (percent != NULL) { *percent = (int) strtol (percent_ptr + 1, NULL, 10); } rgb_end_ptr = percent_ptr; } else { if (percent != NULL) { *percent = 100; } rgb_end_ptr = separator_ptr; } if (rgb_end_ptr != NULL) { result = g_strndup (spec, rgb_end_ptr - spec); } else { result = nautilus_gradient_strip_trailing_direction_if_any (spec); } /* It's important not to use spec after setting *next_spec because it's * likely that *next_spec == spec. */ if (next_spec != NULL) { *next_spec = (separator_ptr != NULL) ? separator_ptr + 1 : NULL; } return result; } /* FIXME bugzilla.eazel.com 5076: * anyone using nautilus_gradient_get_start_color_spec or * nautilus_gradient_get_end_color_spec is assuming the gradient * is 2 colors which is questionable. * * Callers should be rewritten and these fns eliminated. */ /** * nautilus_gradient_get_start_color_spec * @gradient_spec: A gradient spec. string. * * Return the start color. * This may be the entire gradient_spec if it's a solid color. */ char * nautilus_gradient_get_start_color_spec (const char *gradient_spec) { return nautilus_gradient_parse_one_color_spec (gradient_spec, NULL, NULL); } /** * nautilus_gradient_get_end_color_spec * @gradient_spec: A gradient spec. string. * * Return the end color. * This may be the entire gradient_spec if it's a solid color. */ char * nautilus_gradient_get_end_color_spec (const char *gradient_spec) { char* color = NULL; do { g_free (color); color = nautilus_gradient_parse_one_color_spec (gradient_spec, NULL, &gradient_spec); } while (gradient_spec != NULL); return color; } /* Do the work shared by all the set_color_spec functions below. */ static char * nautilus_gradient_set_edge_color (const char *gradient_spec, const char *edge_color, gboolean is_horizontal, gboolean change_end) { char *opposite_color; char *result; g_return_val_if_fail (edge_color != NULL, g_strdup (gradient_spec)); /* Get the color from the existing gradient spec. for the opposite edge. This will parse away all the stuff we don't want from the old gradient spec. */ opposite_color = change_end ? nautilus_gradient_get_start_color_spec (gradient_spec) : nautilus_gradient_get_end_color_spec (gradient_spec); /* Create a new gradient spec. The nautilus_gradient_new function handles some special cases, so we don't have to bother with them here. */ result = nautilus_gradient_new (change_end ? opposite_color : edge_color, change_end ? edge_color : opposite_color, is_horizontal); g_free (opposite_color); return result; } /** * nautilus_gradient_set_left_color_spec * @gradient_spec: A gradient spec. string. * @left_color: Color spec. to replace left color with. * * Changes the left color to what's passed in. * This creates a horizontal gradient. */ char * nautilus_gradient_set_left_color_spec (const char *gradient_spec, const char *left_color) { return nautilus_gradient_set_edge_color (gradient_spec, left_color, TRUE, FALSE); } /** * nautilus_gradient_set_top_color_spec * @gradient_spec: A gradient spec. string. * @top_color: Color spec. to replace top color with. * * Changes the top color to what's passed in. * This creates a vertical gradient. */ char * nautilus_gradient_set_top_color_spec (const char *gradient_spec, const char *top_color) { return nautilus_gradient_set_edge_color (gradient_spec, top_color, FALSE, FALSE); } /** * nautilus_gradient_set_right_color_spec * @gradient_spec: A gradient spec. string. * @right_color: Color spec. to replace right color with. * * Changes the right color to what's passed in. * This creates a horizontal gradient. */ char * nautilus_gradient_set_right_color_spec (const char *gradient_spec, const char *right_color) { return nautilus_gradient_set_edge_color (gradient_spec, right_color, TRUE, TRUE); } /** * nautilus_gradient_set_bottom_color_spec * @gradient_spec: A gradient spec. string. * @bottom_color: Color spec. to replace bottom color with. * * Changes the bottom color to what's passed in. * This creates a vertical gradient. */ char * nautilus_gradient_set_bottom_color_spec (const char *gradient_spec, const char *bottom_color) { return nautilus_gradient_set_edge_color (gradient_spec, bottom_color, FALSE, TRUE); } /** * nautilus_gdk_color_parse_with_white_default * @color_spec: A color spec. * @color: Pointer to place to put resulting color. * * The same as gdk_color_parse, except sets the color to white if * the spec. can't be parsed instead of returning a boolean flag. */ void nautilus_gdk_color_parse_with_white_default (const char *color_spec, GdkColor *color) { if (color_spec == NULL || !gdk_color_parse (color_spec, color)) { color->red = 0xFFFF; color->green = 0xFFFF; color->blue = 0xFFFF; } } /** * nautilus_parse_rgb_with_white_default * @color_spec: A color spec. * Returns: An rgb value. * * The same as gdk_color_parse, except sets the color to white if * the spec. can't be parsed instead of returning a boolean flag * and returns a guint32 rgb value instead of a GdkColor. */ guint32 nautilus_parse_rgb_with_white_default (const char *color_spec) { GdkColor color; if (color_spec == NULL || !gdk_color_parse (color_spec, &color)) { return NAUTILUS_RGB_COLOR_WHITE; } return ((color.red << 8) & NAUTILUS_RGB_COLOR_RED) | (color.green & NAUTILUS_RGB_COLOR_GREEN) | ((color.blue >> 8) & NAUTILUS_RGB_COLOR_BLUE); } guint32 nautilus_rgb16_to_rgb (gushort r, gushort g, gushort b) { guint32 result; result = (0xff0000 | (r & 0xff00)); result <<= 8; result |= ((g & 0xff00) | (b >> 8)); return result; } guint32 nautilus_rgb8_to_rgb (guchar r, guchar g, guchar b) { return nautilus_rgb16_to_rgb (r << 8, g << 8, b << 8); } /** * nautilus_gdk_color_to_rgb * @color: A GdkColor style color. * Returns: An rgb value. * * Converts from a GdkColor stlye color to a gdk_rgb one. * Alpha gets set to fully opaque */ guint32 nautilus_gdk_color_to_rgb (const GdkColor *color) { return nautilus_rgb16_to_rgb (color->red, color->green, color->blue); } /** * nautilus_gdk_rgb_to_color * @color: a gdk_rgb style value. * * Converts from a gdk_rgb value style to a GdkColor one. * The gdk_rgb color alpha channel is ignored. * * Return value: a newly allocated GdkColor. */ GdkColor * nautilus_gdk_rgb_to_color (const guint32 color) { GdkColor *result; result = g_new0 (GdkColor, 1); result->red = (color & 0xff0000) >> 16 ; result->green = (color & 0xff00); result->blue = color << 8; return result; } /** * nautilus_gdk_rgb_to_color_spec * @color: a gdk_rgb style value. * * Converts from a gdk_rgb value style to a string color spec. * The gdk_rgb color alpha channel is ignored. * * Return value: a newly allocated color spec. */ char * nautilus_gdk_rgb_to_color_spec (const guint32 color) { return g_strdup_printf("rgb:%04hX/%04hX/%04hX", NAUTILUS_RGBA_COLOR_GET_R (color) * 65535, NAUTILUS_RGBA_COLOR_GET_G (color) * 65535, NAUTILUS_RGBA_COLOR_GET_B (color) * 65535); } static guint32 nautilus_shift_color_component (guchar component, float shift_by) { guint32 result; if (shift_by > 1.0) { result = component * (2 - shift_by); } else { result = 0xff - shift_by * (0xff - component); } return result & 0xff; } /** * nautilus_rgb_shift_color * @color: A color. * @shift_by: darken or lighten factor. * Returns: An darkened or lightened rgb value. * * Darkens (@shift_by > 1) or lightens (@shift_by < 1) * @color. */ guint32 nautilus_rgb_shift_color (guint32 color, float shift_by) { guint32 result; /* shift red by shift_by */ result = nautilus_shift_color_component((color & 0x00ff0000) >> 16, shift_by); result <<= 8; /* shift green by shift_by */ result |= nautilus_shift_color_component((color & 0x0000ff00) >> 8, shift_by); result <<= 8; /* shift blue by shift_by */ result |= nautilus_shift_color_component((color & 0x000000ff), shift_by); /* alpha doesn't change */ result |= (0xff000000 & color); return result; } /** * nautilus_gdk_color_is_dark: * * Return true if the given color is `dark' */ gboolean nautilus_gdk_color_is_dark (GdkColor *color) { int intensity; intensity = (((color->red >> 8) * 77) + ((color->green >> 8) * 150) + ((color->blue >> 8) * 28)) >> 8; return intensity < 128; } /** * nautilus_gdk_choose_foreground_color: * * Select a foreground color given that BACKGROUND is the background * color. If the PREFERRED color has a high enough contrast with * BACKGROUND, use it, else use one of black or white, depending on * the darkness of BACKGROUND. * * The selected color is stored in PREFERRED. */ void nautilus_gdk_choose_foreground_color (GdkColor *preferred, GdkColor *background) { gboolean preferred_is_dark, background_is_dark; preferred_is_dark = nautilus_gdk_color_is_dark (preferred); background_is_dark = nautilus_gdk_color_is_dark (background); if (preferred_is_dark == background_is_dark) { /* Colors are too similar, so choose a different fg. * Currently hardcoded to use either white or black. */ if (preferred_is_dark) { preferred->red = 65535; preferred->green = 65535; preferred->blue = 65535; } else { preferred->red = 0; preferred->green = 0; preferred->blue = 0; } } } /** * nautilus_gdk_gc_choose_foreground_color: * * Use nautilus_gdk_color_choose_foreground_color () to set the * foreground color of GC to something suitable, given that BACKGROUND * will be the background color and PREFERRED is the preferred color. * * Uses GdkRGB to install the color value. */ void nautilus_gdk_gc_choose_foreground_color (GdkGC *gc, GdkColor *preferred, GdkColor *background) { GdkColor temp; guint32 rgb; temp = *preferred; nautilus_gdk_choose_foreground_color (&temp, background); rgb = nautilus_gdk_color_to_rgb (&temp); gdk_rgb_init (); gdk_rgb_gc_set_foreground (gc, rgb); } /** * nautilus_stipple_bitmap: * * Get pointer to singleton 50% stippled bitmap. * This is a global object; do not free. */ GdkBitmap * nautilus_stipple_bitmap () { static GdkBitmap *stipple = NULL; if (stipple == NULL) { char stipple_bits[] = { 0x02, 0x01 }; stipple = gdk_bitmap_create_from_data (NULL, stipple_bits, 2, 2); } return stipple; } /** * nautilus_gdk_window_bring_to_front: * * Raise window and give it focus. */ void nautilus_gdk_window_bring_to_front (GdkWindow *window) { /* This takes care of un-iconifying the window and * raising it if needed. */ gdk_window_show (window); /* If the window was already showing, it would not have * the focus at this point. Do a little X trickery to * ensure it is focused. */ nautilus_gdk_window_focus (window, GDK_CURRENT_TIME); } void nautilus_gdk_window_focus (GdkWindow *window, guint32 timestamp) { gdk_error_trap_push (); XSetInputFocus (GDK_DISPLAY (), GDK_WINDOW_XWINDOW (window), RevertToNone, timestamp); gdk_flush(); gdk_error_trap_pop (); } void nautilus_gdk_window_set_wm_protocols (GdkWindow *window, GdkAtom *protocols, int nprotocols) { /* This relies on the identity mapping from GdkAtoms to X Atoms */ XSetWMProtocols (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XWINDOW (window), protocols, nprotocols); } void nautilus_set_mini_icon (GdkWindow *window, GdkPixmap *pixmap, GdkBitmap *mask) { GdkAtom icon_atom; long data[2]; g_return_if_fail (window != NULL); g_return_if_fail (pixmap != NULL); data[0] = GDK_WINDOW_XWINDOW (pixmap); if (mask) { data[1] = GDK_WINDOW_XWINDOW (mask); } else { data[1] = 0; } icon_atom = gdk_atom_intern ("KWM_WIN_ICON", FALSE); gdk_property_change (window, icon_atom, icon_atom, 32, GDK_PROP_MODE_REPLACE, (guchar *) data, 2); } /** * nautilus_gdk_window_set_wm_hints_input: * * Set the WM_HINTS.input flag to the passed in value */ void nautilus_gdk_window_set_wm_hints_input (GdkWindow *window, gboolean status) { Display *dpy; Window id; XWMHints *wm_hints; g_return_if_fail (window != NULL); dpy = GDK_WINDOW_XDISPLAY (window); id = GDK_WINDOW_XWINDOW (window); wm_hints = XGetWMHints (dpy, id); if (wm_hints == 0) { wm_hints = XAllocWMHints (); } wm_hints->flags |= InputHint; wm_hints->input = status; XSetWMHints (dpy, id, wm_hints); XFree (wm_hints); } void nautilus_gdk_window_set_invisible_cursor (GdkWindow *window) { XColor foreColor, backColor; GdkWindowPrivate *window_private; Pixmap sourcePixmap, maskPixmap; Cursor xcursor; char invisible_cursor_bits[] = {0x0}; char invisible_cursor_mask_bits[] = {0x0}; foreColor.pixel = 0L; foreColor.red = foreColor.green = foreColor.blue = 0; foreColor.flags = DoRed | DoGreen | DoBlue; backColor.pixel = 255L; backColor.red = backColor.green = backColor.blue = 65535; backColor.flags = DoRed | DoGreen | DoBlue; window_private = (GdkWindowPrivate *) window; sourcePixmap = XCreateBitmapFromData (window_private->xdisplay, window_private->xwindow, invisible_cursor_bits, 1, 1); g_assert (sourcePixmap != 0); maskPixmap = XCreateBitmapFromData (window_private->xdisplay, window_private->xwindow, invisible_cursor_mask_bits, 1, 1); g_assert (maskPixmap != 0); xcursor = XCreatePixmapCursor (window_private->xdisplay, sourcePixmap, maskPixmap, &foreColor, &backColor, 0, 0); XFreePixmap (window_private->xdisplay, sourcePixmap); XFreePixmap (window_private->xdisplay, maskPixmap); XDefineCursor (window_private->xdisplay, window_private->xwindow, xcursor); } NautilusGdkGeometryFlags nautilus_gdk_parse_geometry (const char *string, int *x_return, int *y_return, guint *width_return, guint *height_return) { int x11_flags; NautilusGdkGeometryFlags gdk_flags; g_return_val_if_fail (string != NULL, NAUTILUS_GDK_NO_VALUE); g_return_val_if_fail (x_return != NULL, NAUTILUS_GDK_NO_VALUE); g_return_val_if_fail (y_return != NULL, NAUTILUS_GDK_NO_VALUE); g_return_val_if_fail (width_return != NULL, NAUTILUS_GDK_NO_VALUE); g_return_val_if_fail (height_return != NULL, NAUTILUS_GDK_NO_VALUE); x11_flags = XParseGeometry (string, x_return, y_return, width_return, height_return); gdk_flags = NAUTILUS_GDK_NO_VALUE; if (x11_flags & XValue) { gdk_flags |= NAUTILUS_GDK_X_VALUE; } if (x11_flags & YValue) { gdk_flags |= NAUTILUS_GDK_Y_VALUE; } if (x11_flags & WidthValue) { gdk_flags |= NAUTILUS_GDK_WIDTH_VALUE; } if (x11_flags & HeightValue) { gdk_flags |= NAUTILUS_GDK_HEIGHT_VALUE; } if (x11_flags & XNegative) { gdk_flags |= NAUTILUS_GDK_X_NEGATIVE; } if (x11_flags & YNegative) { gdk_flags |= NAUTILUS_GDK_Y_NEGATIVE; } return gdk_flags; } #if ! defined (NAUTILUS_OMIT_SELF_CHECK) static char * nautilus_gdk_color_as_hex_string (GdkColor color) { return g_strdup_printf("rgb:%04hX/%04hX/%04hX", color.red, color.green, color.blue); } static char * nautilus_self_check_parse (const char *color_spec) { GdkColor color; nautilus_gdk_color_parse_with_white_default (color_spec, &color); return nautilus_gdk_color_as_hex_string (color); } void nautilus_self_check_gdk_extensions (void) { /* nautilus_interpolate_color */ NAUTILUS_CHECK_INTEGER_RESULT (nautilus_interpolate_color (0.0, 0, 0), 0); NAUTILUS_CHECK_INTEGER_RESULT (nautilus_interpolate_color (0.0, 0, 0xFFFFFF), 0); NAUTILUS_CHECK_INTEGER_RESULT (nautilus_interpolate_color (0.5, 0, 0xFFFFFF), 0x7F7F7F); NAUTILUS_CHECK_INTEGER_RESULT (nautilus_interpolate_color (1.0, 0, 0xFFFFFF), 0xFFFFFF); /* nautilus_fill_rectangle */ /* Make a GdkImage and fill it, maybe? */ /* nautilus_fill_rectangle_with_color */ /* nautilus_fill_rectangle_with_gradient */ /* nautilus_gradient_new */ NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_new ("", "", FALSE), ""); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_new ("a", "b", FALSE), "a-b"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_new ("a", "b", TRUE), "a-b:h"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_new ("a", "a", FALSE), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_new ("a", "a", TRUE), "a"); /* nautilus_gradient_is_gradient */ NAUTILUS_CHECK_BOOLEAN_RESULT (nautilus_gradient_is_gradient (""), FALSE); NAUTILUS_CHECK_BOOLEAN_RESULT (nautilus_gradient_is_gradient ("-"), TRUE); NAUTILUS_CHECK_BOOLEAN_RESULT (nautilus_gradient_is_gradient ("a"), FALSE); NAUTILUS_CHECK_BOOLEAN_RESULT (nautilus_gradient_is_gradient ("a-b"), TRUE); NAUTILUS_CHECK_BOOLEAN_RESULT (nautilus_gradient_is_gradient ("a-b:h"), TRUE); /* nautilus_gradient_get_start_color_spec */ NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_start_color_spec (""), ""); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_start_color_spec ("-"), ""); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_start_color_spec ("a"), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_start_color_spec ("a-b"), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_start_color_spec ("a-"), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_start_color_spec ("-b"), ""); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_start_color_spec ("a:h"), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_start_color_spec ("a:v"), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_start_color_spec ("a:c"), "a:c"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_start_color_spec ("a:-b"), "a:"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_start_color_spec ("a:-b:v"), "a:"); /* nautilus_gradient_get_end_color_spec */ NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_end_color_spec (""), ""); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_end_color_spec ("-"), ""); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_end_color_spec ("a"), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_end_color_spec ("a-b"), "b"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_end_color_spec ("a-"), ""); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_end_color_spec ("-b"), "b"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_end_color_spec ("a:h"), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_end_color_spec ("a:v"), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_end_color_spec ("a:c"), "a:c"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_end_color_spec ("a:-b"), "b"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_get_end_color_spec ("a:-b:v"), "b"); /* nautilus_gradient_set_left_color_spec */ NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_left_color_spec ("", ""), ""); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_left_color_spec ("", "a"), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_left_color_spec ("a", ""), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_left_color_spec ("a", "a"), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_left_color_spec ("a", "b"), "b-a:h"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_left_color_spec ("a-c:v", "b"), "b-c:h"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_left_color_spec ("a-c:v", "c"), "c"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_left_color_spec ("a:-b:v", "d"), "d-b:h"); /* nautilus_gradient_set_top_color_spec */ NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_top_color_spec ("", ""), ""); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_top_color_spec ("", "a"), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_top_color_spec ("a", ""), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_top_color_spec ("a", "a"), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_top_color_spec ("a", "b"), "b-a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_top_color_spec ("a-c:v", "b"), "b-c"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_top_color_spec ("a-c:v", "c"), "c"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_top_color_spec ("a:-b:h", "d"), "d-b"); /* nautilus_gradient_set_right_color_spec */ NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_right_color_spec ("", ""), ""); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_right_color_spec ("", "a"), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_right_color_spec ("a", ""), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_right_color_spec ("a", "a"), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_right_color_spec ("a", "b"), "a-b:h"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_right_color_spec ("a-c:v", "b"), "a-b:h"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_right_color_spec ("a-c:v", "c"), "a-c:h"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_right_color_spec ("a:-b:v", "d"), "a:-d:h"); /* nautilus_gradient_set_bottom_color_spec */ NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_bottom_color_spec ("", ""), ""); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_bottom_color_spec ("", "a"), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_bottom_color_spec ("a", ""), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_bottom_color_spec ("a", "a"), "a"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_bottom_color_spec ("a", "b"), "a-b"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_bottom_color_spec ("a-c:v", "b"), "a-b"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_bottom_color_spec ("a-c:v", "c"), "a-c"); NAUTILUS_CHECK_STRING_RESULT (nautilus_gradient_set_bottom_color_spec ("a:-b:h", "d"), "a:-d"); /* nautilus_gdk_color_parse_with_white_default */ NAUTILUS_CHECK_STRING_RESULT (nautilus_self_check_parse (""), "rgb:FFFF/FFFF/FFFF"); NAUTILUS_CHECK_STRING_RESULT (nautilus_self_check_parse ("a"), "rgb:FFFF/FFFF/FFFF"); NAUTILUS_CHECK_STRING_RESULT (nautilus_self_check_parse ("white"), "rgb:FFFF/FFFF/FFFF"); NAUTILUS_CHECK_STRING_RESULT (nautilus_self_check_parse ("black"), "rgb:0000/0000/0000"); NAUTILUS_CHECK_STRING_RESULT (nautilus_self_check_parse ("rgb:0123/4567/89AB"), "rgb:0123/4567/89AB"); } #endif /* ! NAUTILUS_OMIT_SELF_CHECK */