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author | Richard Wilson <rjw@netsurf-browser.org> | 2004-12-09 10:30:44 +0000 |
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committer | Richard Wilson <rjw@netsurf-browser.org> | 2004-12-09 10:30:44 +0000 |
commit | 32db7e04d0c3bd255b2e8aa7dbd7c2b884b35614 (patch) | |
tree | 312984b2b972916fd10e1efc338d08e437d55b70 /desktop/tree.h | |
parent | 77a96712244ad4a8b4bde235aa051372a64a8789 (diff) | |
download | netsurf-32db7e04d0c3bd255b2e8aa7dbd7c2b884b35614.tar.gz netsurf-32db7e04d0c3bd255b2e8aa7dbd7c2b884b35614.tar.bz2 |
[project @ 2004-12-09 10:30:43 by rjw]
Re-implementation of hotlist via general tree code. Animations can be stopped once more. Purged a few xcalloc() calls.
svn path=/import/netsurf/; revision=1394
Diffstat (limited to 'desktop/tree.h')
-rw-r--r-- | desktop/tree.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/desktop/tree.h b/desktop/tree.h new file mode 100644 index 000000000..632667ad0 --- /dev/null +++ b/desktop/tree.h @@ -0,0 +1,137 @@ +/* + * This file is part of NetSurf, http://netsurf.sourceforge.net/ + * Licensed under the GNU General Public License, + * http://www.opensource.org/licenses/gpl-license + * Copyright 2004 Richard Wilson <not_ginger_matt@users.sourceforge.net> + */ + +/** \file + * Generic tree handling (interface). + */ + +#ifndef _NETSURF_DESKTOP_TREE_H_ +#define _NETSURF_DESKTOP_TREE_H_ + +#include <stdbool.h> + +#define TREE_ELEMENT_URL 1 +#define TREE_ELEMENT_ADDED 2 +#define TREE_ELEMENT_LAST_VISIT 3 +#define TREE_ELEMENT_VISITS 4 + +#define NODE_INSTEP 40 + +struct node_sprite; + +typedef enum { + NODE_ELEMENT_TEXT, /* <-- Text only */ + NODE_ELEMENT_TEXT_PLUS_SPRITE, /* <-- Text and sprite */ + NODE_ELEMENT_SPRITE, /* <-- Sprite only */ +} node_element_type; + + +struct node_element_box { + int x; /* <-- X offset from origin */ + int y; /* <-- Y offset from origin */ + int width; /* <-- Element width */ + int height; /* <-- Element height */ +}; + + +struct node_element { + struct node *parent; /* <-- Parent node */ + node_element_type type; /* <-- Element type */ + struct node_element_box box; /* <-- Element bounding box */ + char *text; /* <-- Text for the element */ + struct node_sprite *sprite; /* <-- Sprite for the element */ + struct node_element *next; /* <-- Next node element */ + int user_data; /* <-- Private user data */ + int user_type; /* <-- Private user data */ +}; + + +struct node { + bool selected; /* <-- Whether the node is selected */ + bool expanded; /* <-- Whether the node is expanded */ + bool folder; /* <-- Whether the node is a folder */ + bool editable; /* <-- Whether the node is editable */ + bool processing; /* <-- Internal flag used when moving */ + struct node_element_box box; /* <-- Bounding box of all elements */ + struct node_element data; /* <-- Data to display */ + struct node *parent; /* <-- Parent entry (NULL for root) */ + struct node *child; /* <-- First child */ + struct node *previous; /* <-- Previous child of the parent */ + struct node *next; /* <-- Next child of the parent */ + +}; + +struct tree { + unsigned int handle; /* <-- User assigned handle */ + int offset_x; /* <-- User assigned tree x offset */ + int offset_y; /* <-- User assigned tree y offset */ + struct node *root; /* <-- Tree root element */ + int width; /* <-- Tree width */ + int height; /* <-- Tree height */ + int window_width; /* <-- Tree window width */ + int window_height; /* <-- Tree window height */ + int edit_handle; /* <-- Handle for editing information */ + bool movable; /* <-- Whether nodes can be moved */ + struct node_element *editing; /* <-- Node element being edited */ + char edit_buffer[256]; /* <-- Editing buffer */ + struct node *temp_selection; /* <-- Temporarily selected node */ +}; + + +/* Non-platform specific code */ +void tree_initialise(struct tree *tree); +void tree_initialise_nodes(struct node *root); +void tree_handle_node_changed(struct tree *tree, struct node *node, + bool recalculate_sizes, bool expansion); +void tree_handle_node_element_changed(struct tree *tree, + struct node_element *element); +struct node *tree_get_node_at(struct node *root, int x, int y, bool *furniture); +struct node_element *tree_get_node_element_at(struct node *node, int x, int y, + bool *furniture); +struct node_element *tree_find_element(struct node *node, int user_type); +void tree_move_selected_nodes(struct tree *tree, struct node *destination, + bool before); +bool tree_has_selection(struct node *node); +void tree_draw(struct tree *tree, int clip_x, int clip_y, int clip_width, + int clip_height); +void tree_link_node(struct node *link, struct node *node, bool before); +void tree_delink_node(struct node *node); +struct node *tree_create_folder_node(struct node *parent, const char *title); +struct node *tree_create_leaf_node(struct node *parent, const char *title); +void tree_set_node_sprite(struct node *node, const char *sprite, + const char *expanded); +void tree_set_node_sprite_folder(struct node *node); +struct node *tree_create_URL_node(struct node *parent, const char *title, + const char *url, int filetype, int add_date, int last_date, + int visits); +void tree_reset_URL_nodes(struct tree *tree, struct node *node, bool selected); +void tree_set_node_expanded(struct node *node, bool expanded); +void tree_set_node_selected(struct tree *tree, struct node *node, + bool selected); +void tree_handle_selection_area(struct tree *tree, int x, int y, int width, + int height, bool invert); +void tree_delete_selected_nodes(struct tree *tree, struct node *node); +void tree_delete_node(struct tree *tree, struct node *node, bool siblings); +void tree_recalculate_size(struct tree *tree); +bool tree_handle_expansion(struct tree *tree, struct node *node, bool expanded, + bool folder, bool leaf); +struct node *tree_get_selected_node(struct node *node); +struct node *tree_get_link_details(struct tree *tree, int x, int y, + bool *before); + + +/* Platform specific code */ +void tree_initialise_redraw(struct tree *tree); +void tree_redraw_area(struct tree *tree, int x, int y, int width, int height); +void tree_draw_line(struct tree *tree, int x, int y, int width, int height); +void tree_draw_node_element(struct tree *tree, struct node_element *element); +void tree_draw_node_expansion(struct tree *tree, struct node *node); +void tree_recalculate_node_element(struct node_element *element); +void tree_update_URL_node(struct node *node); +void tree_resized(struct tree *tree); + +#endif |