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Diffstat (limited to 'libmetacity/meta-draw-op-private.h')
| -rw-r--r-- | libmetacity/meta-draw-op-private.h | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/libmetacity/meta-draw-op-private.h b/libmetacity/meta-draw-op-private.h new file mode 100644 index 00000000..2cc4f1ab --- /dev/null +++ b/libmetacity/meta-draw-op-private.h @@ -0,0 +1,276 @@ +/* + * Copyright (C) 2001 Havoc Pennington + * Copyright (C) 2016 Alberts Muktupāvels + * + * 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, see <http://www.gnu.org/licenses/>. + */ + +#ifndef META_DRAW_OP_PRIVATE_H +#define META_DRAW_OP_PRIVATE_H + +#include <gtk/gtk.h> + +#include "meta-color-spec.h" +#include "meta-draw-spec.h" +#include "meta-frame-borders.h" +#include "meta-gradient-spec.h" + +G_BEGIN_DECLS + +typedef struct _MetaDrawInfo MetaDrawInfo; +typedef struct _MetaDrawOp MetaDrawOp; +typedef struct _MetaDrawOpList MetaDrawOpList; + +/** + * A drawing operation in our simple vector drawing language. + */ +typedef enum +{ + /** Basic drawing-- line */ + META_DRAW_LINE, + /** Basic drawing-- rectangle */ + META_DRAW_RECTANGLE, + /** Basic drawing-- arc */ + META_DRAW_ARC, + + /** Clip to a rectangle */ + META_DRAW_CLIP, + + /* Texture thingies */ + + /** Just a filled rectangle with alpha */ + META_DRAW_TINT, + META_DRAW_GRADIENT, + META_DRAW_IMAGE, + + /** GTK theme engine stuff */ + META_DRAW_GTK_ARROW, + META_DRAW_GTK_BOX, + META_DRAW_GTK_VLINE, + + /** App's window icon */ + META_DRAW_ICON, + /** App's window title */ + META_DRAW_TITLE, + /** a draw op list */ + META_DRAW_OP_LIST, + /** tiled draw op list */ + META_DRAW_TILE +} MetaDrawType; + +typedef enum +{ + META_IMAGE_FILL_SCALE, /* default, needs to be all-bits-zero for g_new0 */ + META_IMAGE_FILL_TILE +} MetaImageFillType; + +struct _MetaDrawInfo +{ + GdkPixbuf *mini_icon; + GdkPixbuf *icon; + PangoLayout *title_layout; + int title_layout_width; + int title_layout_height; + + MetaFrameBorders borders; + gint width; + gint height; +}; + +/** + * A single drawing operation in our simple vector drawing language. + */ +struct _MetaDrawOp +{ + MetaDrawType type; + + /* Positions are strings because they can be expressions */ + union + { + struct { + MetaColorSpec *color_spec; + int dash_on_length; + int dash_off_length; + int width; + MetaDrawSpec *x1; + MetaDrawSpec *y1; + MetaDrawSpec *x2; + MetaDrawSpec *y2; + } line; + + struct { + MetaColorSpec *color_spec; + gboolean filled; + MetaDrawSpec *x; + MetaDrawSpec *y; + MetaDrawSpec *width; + MetaDrawSpec *height; + } rectangle; + + struct { + MetaColorSpec *color_spec; + gboolean filled; + MetaDrawSpec *x; + MetaDrawSpec *y; + MetaDrawSpec *width; + MetaDrawSpec *height; + double start_angle; + double extent_angle; + } arc; + + struct { + MetaDrawSpec *x; + MetaDrawSpec *y; + MetaDrawSpec *width; + MetaDrawSpec *height; + } clip; + + struct { + MetaColorSpec *color_spec; + MetaAlphaGradientSpec *alpha_spec; + MetaDrawSpec *x; + MetaDrawSpec *y; + MetaDrawSpec *width; + MetaDrawSpec *height; + } tint; + + struct { + MetaGradientSpec *gradient_spec; + MetaAlphaGradientSpec *alpha_spec; + MetaDrawSpec *x; + MetaDrawSpec *y; + MetaDrawSpec *width; + MetaDrawSpec *height; + } gradient; + + struct { + MetaColorSpec *colorize_spec; + MetaAlphaGradientSpec *alpha_spec; + GdkPixbuf *pixbuf; + MetaDrawSpec *x; + MetaDrawSpec *y; + MetaDrawSpec *width; + MetaDrawSpec *height; + + guint32 colorize_cache_pixel; + GdkPixbuf *colorize_cache_pixbuf; + MetaImageFillType fill_type; + unsigned int vertical_stripes : 1; + unsigned int horizontal_stripes : 1; + } image; + + struct { + GtkStateFlags state; + GtkShadowType shadow; + GtkArrowType arrow; + gboolean filled; + + MetaDrawSpec *x; + MetaDrawSpec *y; + MetaDrawSpec *width; + MetaDrawSpec *height; + } gtk_arrow; + + struct { + GtkStateFlags state; + GtkShadowType shadow; + MetaDrawSpec *x; + MetaDrawSpec *y; + MetaDrawSpec *width; + MetaDrawSpec *height; + } gtk_box; + + struct { + GtkStateFlags state; + MetaDrawSpec *x; + MetaDrawSpec *y1; + MetaDrawSpec *y2; + } gtk_vline; + + struct { + MetaAlphaGradientSpec *alpha_spec; + MetaDrawSpec *x; + MetaDrawSpec *y; + MetaDrawSpec *width; + MetaDrawSpec *height; + MetaImageFillType fill_type; + } icon; + + struct { + MetaColorSpec *color_spec; + MetaDrawSpec *x; + MetaDrawSpec *y; + MetaDrawSpec *ellipsize_width; + } title; + + struct { + MetaDrawOpList *op_list; + MetaDrawSpec *x; + MetaDrawSpec *y; + MetaDrawSpec *width; + MetaDrawSpec *height; + } op_list; + + struct { + MetaDrawOpList *op_list; + MetaDrawSpec *x; + MetaDrawSpec *y; + MetaDrawSpec *width; + MetaDrawSpec *height; + MetaDrawSpec *tile_xoffset; + MetaDrawSpec *tile_yoffset; + MetaDrawSpec *tile_width; + MetaDrawSpec *tile_height; + } tile; + + } data; +}; + +G_GNUC_INTERNAL +MetaDrawOp *meta_draw_op_new (MetaDrawType type); + +G_GNUC_INTERNAL +void meta_draw_op_free (MetaDrawOp *op); + +G_GNUC_INTERNAL +MetaDrawOpList *meta_draw_op_list_new (int n_preallocs); + +G_GNUC_INTERNAL +void meta_draw_op_list_ref (MetaDrawOpList *op_list); + +G_GNUC_INTERNAL +void meta_draw_op_list_unref (MetaDrawOpList *op_list); + +G_GNUC_INTERNAL +void meta_draw_op_list_draw_with_style (const MetaDrawOpList *op_list, + GtkStyleContext *context, + cairo_t *cr, + const MetaDrawInfo *info, + GdkRectangle rect); + +G_GNUC_INTERNAL +void meta_draw_op_list_append (MetaDrawOpList *op_list, + MetaDrawOp *op); + +G_GNUC_INTERNAL +gboolean meta_draw_op_list_validate (MetaDrawOpList *op_list, + GError **error); + +G_GNUC_INTERNAL +gboolean meta_draw_op_list_contains (MetaDrawOpList *op_list, + MetaDrawOpList *child); + +G_END_DECLS + +#endif |