1 /* 2 * Copyright (C) 2004, Magnus Hjorth 3 * 4 * This file is part of mhWaveEdit. 5 * 6 * mhWaveEdit is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * mhWaveEdit is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with mhWaveEdit; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA 19 */ 20 21 22 /* This is the status bar that is at the bottom of each 23 * Mainwindow. During normal editing, it displays cursor position, view 24 * start and endpoint and selection start/end. It can be switch into 25 * progress mode, then it displays a progress bar with a string over 26 * it. It's built as a GtkFixed with labels inside it. 27 */ 28 29 #ifndef STATUSBAR_H_INCLUDED 30 #define STATUSBAR_H_INCLUDED 31 32 #include <gtk/gtk.h> 33 #include "main.h" 34 35 #define STATUSBAR(obj) GTK_CHECK_CAST(obj,status_bar_get_type(),StatusBar) 36 #define STATUSBAR_CLASS(klass) GTK_CHECK_CLASS_CAST(klass,status_bar_get_type(),StatusBarClass) 37 #define IS_STATUSBAR(obj) GTK_CHECK_TYPE(obj,status_bar_get_type()) 38 39 typedef struct { 40 GtkFixed fixed; 41 GtkWidget *da; 42 43 /* This flag decides whether we're in regular mode (0), progress 44 * mode (1), or newly started (2). */ 45 gint mode; 46 47 /* Used in newly started mode: */ 48 GtkLabel *fresh_label; 49 50 /* These are used in progress mode: */ 51 GtkLabel *progress_label; /* Also used when newly started. */ 52 off_t progress_cur,progress_max; 53 guint bar_width; /* Progress bar width in pixels. */ 54 gboolean progress_break; 55 56 /* These are used in regular mode: */ 57 GtkLabel *cursor,*view,*sel; 58 off_t cur,vs,ve,ss,se,rate,max; 59 gboolean rolling; 60 } StatusBar; 61 62 typedef struct { 63 GtkFixedClass fixed_class; 64 65 void (*progress_begin)(StatusBar *bar); 66 void (*progress_end)(StatusBar *bar); 67 68 } StatusBarClass; 69 70 /* Global variable that decides whether the cursor position text 71 * should update while playing. */ 72 extern gboolean status_bar_roll_cursor; 73 74 GtkType status_bar_get_type(void); 75 GtkWidget *status_bar_new(void); 76 77 /* Reset the status bar to the original condition ("no file loaded") */ 78 void status_bar_reset(StatusBar *sb); 79 80 /* Set the information shown during regular editing. This will switch 81 the status bar into regular mode. */ 82 void status_bar_set_info(StatusBar *sb, off_t cursorpos, gboolean is_rolling, 83 off_t viewstart, off_t viewend, off_t selstart, 84 off_t selend, off_t samplerate, off_t maxvalue); 85 86 /* Go into progress mode. If called when already in progress mode, 87 description may be NULL. In that case, the old description is kept. */ 88 void status_bar_begin_progress(StatusBar *sb, off_t progress_length, 89 gchar *description); 90 91 /* When in progress mode, switches the status bar back into regular mode. 92 * Otherwise, does nothing. */ 93 void status_bar_end_progress(StatusBar *sb); 94 95 /* Update progress indicator. The status bar must be in progress mode 96 * when this is called. Returns TRUE if someone called 97 * status_bar_break_progress */ 98 gboolean status_bar_progress(StatusBar *sb, off_t progress); 99 100 /* Causes future calls to status_bar_progress to return TRUE */ 101 void status_bar_break_progress(StatusBar *sb); 102 103 /* Returns the number of status bars in progress mode */ 104 int status_bar_progress_count(void); 105 106 #endif 107