playlist refactoring WIP

1 files changed, 339 insertions, 0 deletions

diff --git a/plugins/gtkui/ddblistview.h b/plugins/gtkui/ddblistview.h
new file mode 100644
index 00000000..2fd1189f
--- /dev/null
+++ b/plugins/gtkui/ddblistview.h
@@ -0,0 +1,339 @@
+/*
+    DeaDBeeF - ultimate music player for GNU/Linux systems with X11
+    Copyright (C) 2009-2010 Alexey Yakovenko <waker@users.sourceforge.net>
+
+    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 __DDBLISTVIEW_H
+#define __DDBLISTVIEW_H
+
+#include <gtk/gtk.h>
+#include <stdint.h>
+#include <assert.h>
+#include "../../deadbeef.h"
+
+// drag and drop targets
+enum {
+    TARGET_URILIST,
+    TARGET_SAMEWIDGET,
+};
+
+G_BEGIN_DECLS
+
+#define DDB_TYPE_LISTVIEW (ddb_listview_get_type ())
+#define DDB_LISTVIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), DDB_TYPE_LISTVIEW, DdbListview))
+#define DDB_LISTVIEW_CLASS(obj) (G_TYPE_CHECK_CLASS_CAST((obj), DDB_TYPE_LISTVIEW, DdbListviewClass))
+#define DDB_IS_LISTVIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), DDB_TYPE_LISTVIEW))
+#define DDB_IS_LISTVIEW_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE ((obj), DDB_TYPE_LISTVIEW))
+#define DDB_LISTVIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), DDB_TYPE_LISTVIEW, DdbListviewClass))
+
+typedef struct _DdbListview DdbListview;
+typedef struct _DdbListviewClass DdbListviewClass;
+
+typedef void * DdbListviewIter;
+typedef void * DdbListviewColIter;
+
+typedef struct {
+    // rows
+    int (*count) (void);
+    int (*sel_count) (void);
+
+    int (*cursor) (void);
+    void (*set_cursor) (int cursor);
+
+    DdbListviewIter (*head) (void);
+    DdbListviewIter (*tail) (void);
+    DdbListviewIter (*next) (DdbListviewIter);
+    DdbListviewIter (*prev) (DdbListviewIter);
+
+    DdbListviewIter (*get_for_idx) (int idx);
+    int (*get_idx) (DdbListviewIter);
+
+    void (*ref) (DdbListviewIter);
+    void (*unref) (DdbListviewIter);
+
+    int (*is_selected) (DdbListviewIter);
+    void (*select) (DdbListviewIter, int sel);
+
+    // drag-n-drop
+    void (*drag_n_drop) (DdbListviewIter before, uint32_t *indices, int length);
+
+    // columns
+    int (*col_count) (void);
+    DdbListviewColIter (*col_first) (void);
+    DdbListviewColIter (*col_next) (DdbListviewColIter);
+    const char *(*col_get_title) (DdbListviewColIter);
+    int (*col_get_width) (DdbListviewColIter);
+    int (*col_get_justify) (DdbListviewColIter);
+    int (*col_get_sort) (DdbListviewColIter);
+    void (*col_move) (DdbListviewColIter which, int inspos);
+    void (*col_sort) (DdbListviewColIter);
+
+    void (*col_set_width) (DdbListviewColIter c, int width);
+    void (*col_set_sort) (DdbListviewColIter c, int sort);
+
+    // callbacks
+    void (*draw_column_data) (GdkDrawable *drawable, DdbListviewIter iter, int idx, DdbListviewColIter column, int x, int y, int width, int height);
+    void (*list_context_menu) (DdbListview *listview, DdbListviewIter iter, int idx);
+    void (*header_context_menu) (DdbListview *listview, DdbListviewColIter c);
+    void (*handle_doubleclick) (DdbListview *listview, DdbListviewIter iter, int idx);
+    void (*selection_changed) (DdbListviewIter it, int idx);
+    void (*delete_selected) (void);
+} DdbListviewBinding;
+
+struct _DdbListview {
+    GtkTable parent;
+
+    // interaction with client
+    DdbListviewBinding *binding;
+
+    // cached gtk/gdk object pointers
+    GtkWidget *list;
+    GtkWidget *header;
+    GtkWidget *scrollbar;
+    GtkWidget *hscrollbar;
+
+    int totalwidth; // width of listview, including invisible (scrollable) part
+    GdkPixmap *backbuf;
+    GdkPixmap *backbuf_header;
+    const char *title; // unique id, used for config writing, etc
+//    // parameters
+//    int (*get_count)(void); // function pointer to get number of tracks
+//    int iterator; // index into next array of DB_playItem_t struct
+    int lastpos[2]; // last mouse position (for list widget)
+    // current state
+    int scrollpos;
+    int hscrollpos;
+    double clicktime; // for doubleclick detection
+    int nvisiblerows;
+    int nvisiblefullrows;
+    int rowheight;
+
+    int col_movepos;
+
+    int drag_motion_y;
+
+    // scrolling
+    int scroll_mode; // 0=select, 1=dragndrop
+    int scroll_pointer_y;
+    int scroll_direction;
+    int scroll_active;
+    struct timeval tm_prevscroll;
+    float scroll_sleep_time;
+
+    // selection
+    int areaselect;
+    int areaselect_x;
+    int areaselect_y;
+    int areaselect_dx;
+    int areaselect_dy;
+    int dragwait;
+    int shift_sel_anchor;
+
+    // header
+    int header_dragging;
+    int header_sizing;
+    int header_dragpt[2];
+    float last_header_motion_ev; //is it subject to remove?
+    int prev_header_x;
+    int header_prepare;
+
+//    gtkpl_column_t *columns;
+//    gtkpl_column_t *active_column; // required for column editing
+};
+
+struct _DdbListviewClass {
+  GtkTableClass parent_class;
+};
+
+GtkType ddb_listview_get_type(void);
+GtkWidget * ddb_listview_new();
+
+void
+ddb_listview_set_binding (DdbListview *listview, DdbListviewBinding *binding);
+void
+ddb_listview_draw_row (DdbListview *listview, int idx, DdbListviewIter iter);
+int
+ddb_listview_get_vscroll_pos (DdbListview *listview);
+int
+ddb_listview_get_hscroll_pos (DdbListview *listview);
+DdbListviewIter
+ddb_listview_get_iter_from_coord (DdbListview *listview, int x, int y);
+int
+ddb_listview_handle_keypress (DdbListview *ps, int keyval, int state);
+
+enum {
+    DDB_REFRESH_COLUMNS = 1,
+    DDB_REFRESH_HSCROLL = 2,
+    DDB_REFRESH_VSCROLL = 4,
+    DDB_REFRESH_LIST    = 8,
+    DDB_EXPOSE_COLUMNS  = 16,
+    DDB_EXPOSE_LIST     = 32,
+};
+
+void ddb_listview_refresh (DdbListview *listview, uint32_t flags);
+
+G_END_DECLS
+
+#if 0
+//extern DdbListview main_playlist;
+//extern DdbListview search_playlist;
+
+//#define GTKPL_PROLOGUE \
+//    DdbListview *ps = (DdbListview *)gtk_object_get_data (GTK_OBJECT (widget), "ps"); assert (ps); 
+
+
+extern int rowheight;
+
+// that must be called before gtk_init
+void
+gtkpl_init (void);
+
+void
+gtkpl_free (DdbListview *pl);
+
+void
+gtkpl_redraw_pl_row (DdbListview *ps, int row, DdbListviewIter it);
+
+void
+gtkpl_redraw_pl_row_novis (DdbListview *ps, int row, DdbListviewIter it);
+
+void
+gtkpl_setup_scrollbar (DdbListview *ps);
+
+void
+gtkpl_setup_hscrollbar (DdbListview *ps);
+
+void
+gtkpl_draw_pl_row_back (DdbListview *ps, int row, DdbListviewIter it);
+
+void
+gtkpl_draw_pl_row (DdbListview *ps, int row, DdbListviewIter it);
+
+void
+gtkpl_draw_playlist (DdbListview *ps, int x, int y, int w, int h);
+
+void
+gtkpl_reconf (DdbListview *ps);
+
+void
+gtkpl_expose (DdbListview *ps, int x, int y, int w, int h);
+
+void
+gtkpl_mouse1_pressed (DdbListview *ps, int state, int ex, int ey, double time);
+
+void
+gtkpl_mouse1_released (DdbListview *ps, int state, int ex, int ey, double time);
+
+void
+gtkpl_mousemove (DdbListview *ps, GdkEventMotion *event);
+
+void
+gtkpl_scroll (DdbListview *ps, int newscroll);
+
+void
+gtkpl_hscroll (DdbListview *ps, int newscroll);
+
+void
+gtkpl_handle_scroll_event (DdbListview *ps, int direction);
+
+// returns 1 if keypress was handled, 0 otherwise
+int
+gtkpl_keypress (DdbListview *ps, int keyval, int state);
+
+void
+gtkpl_track_dragdrop (DdbListview *ps, int y);
+
+void
+gtkpl_select_single (DdbListview *ps, int sel);
+
+void
+gtkpl_header_draw (DdbListview *ps);
+
+void
+gtkpl_add_dir (DdbListview *ps, char *folder);
+
+void
+gtkpl_add_files (GSList *lst);
+
+//int
+//gtkpl_get_idx_of (DdbListview *ps, DdbListviewIter it);
+//
+//DdbListviewIter 
+//gtkpl_get_for_idx (DdbListview *ps, int idx);
+
+//// this functions take value from passed playlist, that's why it's here
+//void
+//gtkpl_playsong (DdbListview *ps);
+
+void
+gtkpl_songchanged (DdbListview *ps, int from, int to);
+
+// these functions operate on global playlist level,
+// no need to pass DdbListview ptr to them
+
+void
+gtkpl_add_fm_dropped_files (char *ptr, int length, int drop_y);
+
+// these functions should not belong here
+void
+gtkpl_prevsong (void);
+
+void
+gtkpl_nextsong (void);
+
+void
+gtkpl_randomsong (void);
+
+void
+gtkpl_pausesong (void);
+
+void
+gtkpl_playsongnum (int idx);
+
+void
+theme_set_fg_color (int col);
+
+void
+theme_set_bg_color (int col);
+
+void
+theme_set_cairo_source_rgb (cairo_t *cr, int col);
+
+void
+playlist_refresh (void);
+
+void
+gtkpl_expose_header (DdbListview *ps, int x, int y, int w, int h);
+
+void
+set_tray_tooltip (const char *text);
+
+void
+gtkpl_songchanged_wrapper (int from, int to);
+
+void
+gtkpl_current_track_changed (DdbListviewIter it);
+
+//void
+//gtk_pl_redraw_item_everywhere (DdbListviewIter it);
+
+void
+gtkpl_set_cursor (DdbListview *pl, int cursor);
+
+void
+main_refresh (void);
+#endif
+
+#endif // __DDBLISTVIEW_H