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transmission/gtk/file-list.c
Charles Kerr bb8cef3f14 (trunk gtk) minor code cleanup to the file list
2010-05-12 01:34:08 +00:00

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/*
* This file Copyright (C) 2007-2010 Mnemosyne LLC
*
* This file is licensed by the GPL version 2. Works owned by the
* Transmission project are granted a special exemption to clause 2(b)
* so that the bulk of its code can remain under the MIT license.
* This exemption does not extend to derived works not owned by
* the Transmission project.
*
* $Id$
*/
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include <libtransmission/transmission.h>
#include "file-list.h"
#include "hig.h"
#include "icons.h"
#include "tr-prefs.h"
enum
{
/* these two fields could be any number at all so long as they're not
* TR_PRI_LOW, TR_PRI_NORMAL, TR_PRI_HIGH, TRUE, or FALSE */
NOT_SET = 1000,
MIXED = 1001
};
enum
{
FC_ICON,
FC_LABEL,
FC_PROG,
FC_INDEX,
FC_SIZE,
FC_HAVE,
FC_PRIORITY,
FC_ENABLED,
N_FILE_COLS
};
typedef struct
{
TrCore * core;
tr_torrent * tor;
GtkWidget * top;
GtkWidget * view;
GtkTreeModel * model; /* same object as store, but recast */
GtkTreeStore * store; /* same object as model, but recast */
tr_file_stat * refresh_file_stat;
int torrentId;
guint timeout_tag;
}
FileData;
static void
clearData( FileData * data )
{
data->torrentId = -1;
if( data->timeout_tag ) {
g_source_remove( data->timeout_tag );
data->timeout_tag = 0;
}
}
static void
freeData( gpointer data )
{
clearData( data );
g_free( data );
}
/***
****
***/
static gboolean
refreshFilesForeach( GtkTreeModel * model,
GtkTreePath * path UNUSED,
GtkTreeIter * iter,
gpointer gdata )
{
FileData * data = gdata;
unsigned int index;
uint64_t size;
uint64_t old_have;
int old_prog;
int old_priority;
int old_enabled;
const gboolean is_file = !gtk_tree_model_iter_has_child( model, iter );
gtk_tree_model_get( model, iter, FC_ENABLED, &old_enabled,
FC_PRIORITY, &old_priority,
FC_INDEX, &index,
FC_HAVE, &old_have,
FC_SIZE, &size,
FC_PROG, &old_prog,
-1 );
if( is_file )
{
tr_torrent * tor = data->tor;
const tr_info * inf = tr_torrentInfo( tor );
const int enabled = !inf->files[index].dnd;
const int priority = inf->files[index].priority;
const uint64_t have = data->refresh_file_stat[index].bytesCompleted;
const int prog = size ? (int)((100.0*have)/size) : 1;
if( (priority!=old_priority) || (enabled!=old_enabled) || (have!=old_have) || (prog!=old_prog) )
gtk_tree_store_set( data->store, iter, FC_PRIORITY, priority,
FC_ENABLED, enabled,
FC_HAVE, have,
FC_PROG, prog,
-1 );
}
else
{
GtkTreeIter child;
uint64_t sub_size = 0;
uint64_t have = 0;
int prog;
int enabled = NOT_SET;
int priority = NOT_SET;
/* since gtk_tree_model_foreach() is depth-first, we can
* get the `sub' info by walking the immediate children */
if( gtk_tree_model_iter_children( model, &child, iter ) ) do
{
int child_enabled;
int child_priority;
int64_t child_have, child_size;
gtk_tree_model_get( model, &child, FC_SIZE, &child_size,
FC_HAVE, &child_have,
FC_PRIORITY, &child_priority,
FC_ENABLED, &child_enabled,
-1 );
sub_size += child_size;
have += child_have;
if( enabled == NOT_SET )
enabled = child_enabled;
else if( enabled != child_enabled )
enabled = MIXED;
if( priority == NOT_SET )
priority = child_priority;
else if( priority != child_priority )
priority = MIXED;
}
while( gtk_tree_model_iter_next( model, &child ) );
prog = sub_size ? (int)((100.0*have)/sub_size) : 1;
if( (size!=sub_size) || (have!=old_have)
|| (priority!=old_priority)
|| (enabled!=old_enabled)
|| (prog!=old_prog) )
gtk_tree_store_set( data->store, iter, FC_SIZE, sub_size,
FC_HAVE, have,
FC_PRIORITY, priority,
FC_ENABLED, enabled,
FC_PROG, prog,
-1 );
}
return FALSE; /* keep walking */
}
static void
gtr_tree_model_foreach_postorder_subtree( GtkTreeModel * model,
GtkTreeIter * parent,
GtkTreeModelForeachFunc func,
gpointer data )
{
GtkTreeIter child;
if( gtk_tree_model_iter_children( model, &child, parent ) ) do
gtr_tree_model_foreach_postorder_subtree( model, &child, func, data );
while( gtk_tree_model_iter_next( model, &child ) );
if( parent )
func( model, NULL, parent, data );
}
static void
gtr_tree_model_foreach_postorder( GtkTreeModel * model,
GtkTreeModelForeachFunc func,
gpointer data )
{
GtkTreeIter iter;
if( gtk_tree_model_get_iter_first( model, &iter ) ) do
gtr_tree_model_foreach_postorder_subtree( model, &iter, func, data );
while( gtk_tree_model_iter_next( model, &iter ) );
}
static void
refresh( FileData * data )
{
tr_torrent * tor = NULL;
tr_session * session = tr_core_session( data->core );
if( session != NULL )
tor = tr_torrentFindFromId( session, data->torrentId );
if( tor == NULL )
{
file_list_clear( data->top );
}
else
{
tr_file_index_t fileCount;
data->tor = tr_torrentFindFromId( session, data->torrentId );
data->refresh_file_stat = tr_torrentFiles( tor, &fileCount );
gtr_tree_model_foreach_postorder( data->model, refreshFilesForeach, data );
tr_torrentFilesFree( data->refresh_file_stat, fileCount );
data->refresh_file_stat = NULL;
data->tor = NULL;
}
}
static gboolean
refreshModel( gpointer file_data )
{
refresh( file_data );
return TRUE;
}
/***
****
***/
struct ActiveData
{
GtkTreeSelection * sel;
GArray * array;
};
static gboolean
getSelectedFilesForeach( GtkTreeModel * model,
GtkTreePath * path UNUSED,
GtkTreeIter * iter,
gpointer gdata )
{
const gboolean is_file = !gtk_tree_model_iter_has_child( model, iter );
if( is_file )
{
struct ActiveData * data = gdata;
/* active means: if it's selected or any ancestor is selected */
gboolean is_active = gtk_tree_selection_iter_is_selected( data->sel, iter );
if( !is_active )
{
GtkTreeIter walk = *iter;
GtkTreeIter parent;
while( !is_active && gtk_tree_model_iter_parent( model, &parent, &walk ) )
{
is_active = gtk_tree_selection_iter_is_selected( data->sel, &parent );
walk = parent;
}
}
if( is_active )
{
unsigned int i;
gtk_tree_model_get( model, iter, FC_INDEX, &i, -1 );
g_array_append_val( data->array, i );
}
}
return FALSE; /* keep walking */
}
static void
getSelectedFilesAndDescendants( GtkTreeView * view, GArray * indices )
{
struct ActiveData data;
data.sel = gtk_tree_view_get_selection( view );
data.array = indices;
gtk_tree_model_foreach( gtk_tree_view_get_model( view ),
getSelectedFilesForeach, &data );
}
struct SubtreeForeachData
{
GArray * array;
GtkTreePath * path;
};
static gboolean
getSubtreeForeach( GtkTreeModel * model,
GtkTreePath * path,
GtkTreeIter * iter,
gpointer gdata )
{
const gboolean is_file = !gtk_tree_model_iter_has_child( model, iter );
if( is_file )
{
struct SubtreeForeachData * data = gdata;
if( !gtk_tree_path_compare( path, data->path ) || gtk_tree_path_is_descendant( path, data->path ) )
{
unsigned int i;
gtk_tree_model_get( model, iter, FC_INDEX, &i, -1 );
g_array_append_val( data->array, i );
}
}
return FALSE; /* keep walking */
}
static void
getSubtree( GtkTreeView * view, GtkTreePath * path, GArray * indices )
{
struct SubtreeForeachData tmp;
tmp.array = indices;
tmp.path = path;
gtk_tree_model_foreach( gtk_tree_view_get_model( view ), getSubtreeForeach, &tmp );
}
/* if `path' is a selected row, all selected rows are returned.
* otherwise, only the row indicated by `path' is returned.
* this is for toggling all the selected rows' states in a batch.
*/
static GArray*
getActiveFilesForPath( GtkTreeView * view, GtkTreePath * path )
{
GtkTreeSelection * sel = gtk_tree_view_get_selection( view );
GArray * indices = g_array_new( FALSE, FALSE, sizeof( tr_file_index_t ) );
if( gtk_tree_selection_path_is_selected( sel, path ) )
{
/* clicked in a selected row... use the current selection */
getSelectedFilesAndDescendants( view, indices );
}
else
{
/* clicked OUTSIDE of the selected row... just use the clicked row */
getSubtree( view, path, indices );
}
return indices;
}
/***
****
***/
void
file_list_clear( GtkWidget * w )
{
file_list_set_torrent( w, -1 );
}
struct build_data
{
GtkWidget * w;
tr_torrent * tor;
GtkTreeIter * iter;
GtkTreeStore * store;
};
struct row_struct
{
uint64_t length;
char * name;
int index;
};
static void
buildTree( GNode * node, gpointer gdata )
{
GtkTreeIter child_iter;
struct build_data * build = gdata;
struct row_struct *child_data = node->data;
const gboolean isLeaf = node->children == NULL;
const char * mime_type = isLeaf ? get_mime_type_from_filename( child_data->name ) : DIRECTORY_MIME_TYPE;
GdkPixbuf * icon = get_mime_type_icon( mime_type, GTK_ICON_SIZE_MENU, build->w );
const tr_info * inf = tr_torrentInfo( build->tor );
const int priority = isLeaf ? inf->files[ child_data->index ].priority : 0;
const gboolean enabled = isLeaf ? !inf->files[ child_data->index ].dnd : TRUE;
#if GTK_CHECK_VERSION(2,10,0)
gtk_tree_store_insert_with_values( build->store, &child_iter, build->iter, INT_MAX,
FC_INDEX, child_data->index,
FC_LABEL, child_data->name,
FC_SIZE, child_data->length,
FC_ICON, icon,
FC_PRIORITY, priority,
FC_ENABLED, enabled,
-1 );
#else
gtk_tree_store_append( build->store, &child_iter, build->iter );
gtk_tree_store_set( build->store, &child_iter,
FC_INDEX, child_data->index,
FC_LABEL, child_data->name,
FC_SIZE, child_data->length,
FC_ICON, icon,
FC_PRIORITY, priority,
FC_ENABLED, enabled,
-1 );
#endif
if( !isLeaf )
{
struct build_data b = *build;
b.iter = &child_iter;
g_node_children_foreach( node, G_TRAVERSE_ALL, buildTree, &b );
}
g_object_unref( icon );
/* we're done with this node */
g_free( child_data->name );
g_free( child_data );
}
static GNode*
find_child( GNode* parent, const char * name )
{
GNode * child = parent->children;
while( child ) {
const struct row_struct * child_data = child->data;
if( ( *child_data->name == *name ) && !strcmp( child_data->name, name ) )
break;
child = child->next;
}
return child;
}
void
file_list_set_torrent( GtkWidget * w, int torrentId )
{
GtkTreeStore * store;
FileData * data = g_object_get_data( G_OBJECT( w ), "file-data" );
/* unset the old fields */
clearData( data );
/* instantiate the model */
store = gtk_tree_store_new ( N_FILE_COLS,
GDK_TYPE_PIXBUF, /* icon */
G_TYPE_STRING, /* label */
G_TYPE_INT, /* prog [0..100] */
G_TYPE_UINT, /* index */
G_TYPE_UINT64, /* size */
G_TYPE_UINT64, /* have */
G_TYPE_INT, /* priority */
G_TYPE_INT ); /* dl enabled */
data->store = store;
data->model = GTK_TREE_MODEL( store );
data->torrentId = torrentId;
/* populate the model */
if( torrentId > 0 )
{
tr_session * session = tr_core_session( data->core );
tr_torrent * tor = tr_torrentFindFromId( session, torrentId );
if( tor != NULL )
{
tr_file_index_t i;
const tr_info * inf = tr_torrentInfo( tor );
struct row_struct * root_data;
GNode * root;
struct build_data build;
/* build a GNode tree of the files */
root_data = g_new0( struct row_struct, 1 );
root_data->name = g_strdup( inf->name );
root_data->index = -1;
root_data->length = 0;
root = g_node_new( root_data );
for( i=0; i<inf->fileCount; ++i ) {
int j;
GNode * parent = root;
const tr_file * file = &inf->files[i];
char ** tokens = g_strsplit( file->name, G_DIR_SEPARATOR_S, 0 );
for( j=0; tokens[j]; ++j ) {
const gboolean isLeaf = tokens[j+1] == NULL;
const char * name = tokens[j];
GNode * node = find_child( parent, name );
if( node == NULL ) {
struct row_struct * row = g_new( struct row_struct, 1 );
row->name = g_strdup( name );
row->index = isLeaf ? (int)i : -1;
row->length = isLeaf ? file->length : 0;
node = g_node_new( row );
g_node_append( parent, node );
}
parent = node;
}
g_strfreev( tokens );
}
/* now, add them to the model */
build.w = w;
build.tor = tor;
build.store = data->store;
build.iter = NULL;
g_node_children_foreach( root, G_TRAVERSE_ALL, buildTree, &build );
/* cleanup */
g_node_destroy( root );
g_free( root_data->name );
g_free( root_data );
}
refresh( data );
data->timeout_tag = gtr_timeout_add_seconds( SECONDARY_WINDOW_REFRESH_INTERVAL_SECONDS, refreshModel, data );
}
gtk_tree_view_set_model( GTK_TREE_VIEW( data->view ), data->model );
gtk_tree_view_expand_all( GTK_TREE_VIEW( data->view ) );
}
/***
****
***/
static void
renderFilename( GtkTreeViewColumn * column UNUSED,
GtkCellRenderer * renderer,
GtkTreeModel * model,
GtkTreeIter * iter,
gpointer data UNUSED )
{
char * filename;
char * str;
int64_t size;
char buf[64];
gtk_tree_model_get( model, iter, FC_LABEL, &filename,
FC_SIZE, &size,
-1 );
tr_strlsize( buf, size, sizeof( buf ) );
str = g_markup_printf_escaped( "<small>%s (%s)</small>", filename, buf );
g_object_set( renderer, "markup", str, NULL );
g_free( str );
g_free( filename );
}
static void
renderDownload( GtkTreeViewColumn * column UNUSED,
GtkCellRenderer * renderer,
GtkTreeModel * model,
GtkTreeIter * iter,
gpointer data UNUSED )
{
gboolean enabled;
gtk_tree_model_get( model, iter, FC_ENABLED, &enabled, -1 );
g_object_set( renderer, "inconsistent", (enabled==MIXED),
"active", (enabled==TRUE),
NULL );
}
static void
renderPriority( GtkTreeViewColumn * column UNUSED,
GtkCellRenderer * renderer,
GtkTreeModel * model,
GtkTreeIter * iter,
gpointer data UNUSED )
{
int priority;
const char * text;
gtk_tree_model_get( model, iter, FC_PRIORITY, &priority, -1 );
switch( priority ) {
case TR_PRI_HIGH: text = _( "High" ); break;
case TR_PRI_NORMAL: text = _( "Normal" ); break;
case TR_PRI_LOW: text = _( "Low" ); break;
default: text = _( "Mixed" ); break;
}
g_object_set( renderer, "text", text, NULL );
}
static gboolean
onViewButtonPressed( GtkWidget * w, GdkEventButton * event, gpointer gdata )
{
FileData * data = gdata;
gboolean handled = FALSE;
tr_torrent * tor = tr_torrentFindFromId( tr_core_session( data->core ), data->torrentId );
if( tor == NULL )
return handled;
if( ( event->type == GDK_BUTTON_PRESS ) && ( event->button == 1 )
&& !( event->state & ( GDK_SHIFT_MASK | GDK_CONTROL_MASK ) ) )
{
GtkTreeView * view = GTK_TREE_VIEW( w );
GtkTreePath * path;
GtkTreeViewColumn * column;
int cell_x;
int cell_y;
if( gtk_tree_view_get_path_at_pos( view, event->x, event->y,
&path, &column, &cell_x, &cell_y ) )
{
const char * column_title = gtk_tree_view_column_get_title( column );
const gboolean downloadColumn = !strcmp( column_title, _( "Download" ) );
const gboolean priorityColumn = !strcmp( column_title, _( "Priority" ) );
if( downloadColumn || priorityColumn )
{
GArray * a = getActiveFilesForPath( view, path );
GtkTreeSelection * sel = gtk_tree_view_get_selection( view );
const gboolean isSelected = gtk_tree_selection_path_is_selected( sel, path );
GtkTreeModel * model = data->model;
GtkTreeIter iter;
gtk_tree_model_get_iter( model, &iter, path );
if( priorityColumn )
{
int priority;
/* get the `priority' state of the clicked row */
gtk_tree_model_get( model, &iter, FC_PRIORITY, &priority, -1 );
/* twiddle it to the next state */
switch( priority ) {
case TR_PRI_NORMAL: priority = TR_PRI_HIGH; break;
case TR_PRI_HIGH: priority = TR_PRI_LOW; break;
default: priority = TR_PRI_NORMAL; break;
}
/* apply that new state to the active files */
tr_torrentSetFilePriorities( tor,
(tr_file_index_t*)a->data,
(tr_file_index_t)a->len,
priority );
}
else if( downloadColumn )
{
int enabled;
/* get the `enabled' state of the clicked row */
gtk_tree_model_get( model, &iter, FC_ENABLED, &enabled, -1 );
/* twiddle it to the next state */
enabled = !enabled;
/* apply that new state to the active files */
tr_torrentSetFileDLs( tor,
(tr_file_index_t*)a->data,
(tr_file_index_t)a->len,
enabled );
}
refresh( data );
/* the click was meant to change the priority or enabled state,
not to alter which rows were selected, so don't pass this
event on to the other handlers. */
handled = isSelected;
/* cleanup */
g_array_free( a, TRUE );
}
gtk_tree_path_free( path );
}
}
return handled;
}
GtkWidget *
file_list_new( TrCore * core, int torrentId )
{
int width;
GtkWidget * ret;
GtkWidget * view;
GtkWidget * scroll;
GtkCellRenderer * rend;
GtkTreeSelection * sel;
GtkTreeViewColumn * col;
GtkTreeView * tree_view;
const char * title;
PangoLayout * pango_layout;
FileData * data = g_new0( FileData, 1 );
data->core = core;
/* create the view */
view = gtk_tree_view_new( );
tree_view = GTK_TREE_VIEW( view );
gtk_tree_view_set_rules_hint( tree_view, TRUE );
gtk_container_set_border_width( GTK_CONTAINER( view ), GUI_PAD_BIG );
g_signal_connect( view, "button-press-event",
G_CALLBACK( onViewButtonPressed ), data );
g_signal_connect( view, "button-release-event",
G_CALLBACK( on_tree_view_button_released ), NULL );
/* set up view */
sel = gtk_tree_view_get_selection( tree_view );
gtk_tree_selection_set_mode( sel, GTK_SELECTION_MULTIPLE );
gtk_tree_view_expand_all( tree_view );
gtk_tree_view_set_search_column( tree_view, FC_LABEL );
/* add file column */
col = GTK_TREE_VIEW_COLUMN ( g_object_new ( GTK_TYPE_TREE_VIEW_COLUMN,
"expand", TRUE,
"title", _( "File" ),
NULL ) );
gtk_tree_view_column_set_resizable( col, TRUE );
rend = gtk_cell_renderer_pixbuf_new( );
gtk_tree_view_column_pack_start( col, rend, FALSE );
gtk_tree_view_column_add_attribute( col, rend, "pixbuf", FC_ICON );
/* add text renderer */
rend = gtk_cell_renderer_text_new( );
g_object_set( rend, "ellipsize", PANGO_ELLIPSIZE_END, NULL );
gtk_tree_view_column_pack_start( col, rend, TRUE );
gtk_tree_view_column_set_cell_data_func( col, rend, renderFilename, NULL, NULL );
gtk_tree_view_column_set_sort_column_id( col, FC_LABEL );
gtk_tree_view_append_column( tree_view, col );
/* add "progress" column */
title = _( "Progress" );
pango_layout = gtk_widget_create_pango_layout( view, title );
pango_layout_get_pixel_size( pango_layout, &width, NULL );
width += 30; /* room for the sort indicator */
g_object_unref( G_OBJECT( pango_layout ) );
rend = gtk_cell_renderer_progress_new( );
col = gtk_tree_view_column_new_with_attributes( title, rend, "value", FC_PROG, NULL );
gtk_tree_view_column_set_fixed_width( col, width );
gtk_tree_view_column_set_sizing( col, GTK_TREE_VIEW_COLUMN_FIXED );
gtk_tree_view_column_set_sort_column_id( col, FC_PROG );
gtk_tree_view_append_column( tree_view, col );
/* add "enabled" column */
title = _( "Download" );
pango_layout = gtk_widget_create_pango_layout( view, title );
pango_layout_get_pixel_size( pango_layout, &width, NULL );
width += 30; /* room for the sort indicator */
g_object_unref( G_OBJECT( pango_layout ) );
rend = gtk_cell_renderer_toggle_new( );
col = gtk_tree_view_column_new_with_attributes( title, rend, NULL );
gtk_tree_view_column_set_fixed_width( col, width );
gtk_tree_view_column_set_sizing( col, GTK_TREE_VIEW_COLUMN_FIXED );
gtk_tree_view_column_set_cell_data_func( col, rend, renderDownload, NULL, NULL );
gtk_tree_view_column_set_sort_column_id( col, FC_ENABLED );
gtk_tree_view_append_column( tree_view, col );
/* add priority column */
title = _( "Priority" );
pango_layout = gtk_widget_create_pango_layout( view, title );
pango_layout_get_pixel_size( pango_layout, &width, NULL );
width += 30; /* room for the sort indicator */
g_object_unref( G_OBJECT( pango_layout ) );
rend = gtk_cell_renderer_text_new( );
g_object_set( rend, "xalign", (gfloat)0.5, "yalign", (gfloat)0.5, NULL );
col = gtk_tree_view_column_new_with_attributes( title, rend, NULL );
gtk_tree_view_column_set_fixed_width( col, width );
gtk_tree_view_column_set_sizing( col, GTK_TREE_VIEW_COLUMN_FIXED );
gtk_tree_view_column_set_sort_column_id( col, FC_PRIORITY );
gtk_tree_view_column_set_cell_data_func( col, rend, renderPriority, NULL, NULL );
gtk_tree_view_append_column( tree_view, col );
/* create the scrolled window and stick the view in it */
scroll = gtk_scrolled_window_new( NULL, NULL );
gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scroll ),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC );
gtk_scrolled_window_set_shadow_type ( GTK_SCROLLED_WINDOW( scroll ),
GTK_SHADOW_IN );
gtk_container_add( GTK_CONTAINER( scroll ), view );
gtk_widget_set_size_request ( scroll, -1, 200 );
ret = scroll;
data->view = view;
data->top = scroll;
g_object_set_data_full( G_OBJECT( ret ), "file-data", data, freeData );
file_list_set_torrent( ret, torrentId );
return ret;
}
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