Changeset 2048

Timestamp:

02/19/10 07:45:52 (5 months ago)

Author:

tpgww

Message:

change color of tab labels when content is non-default

Files:

• trunk/plugins/e2p_find.c (modified) (23 diffs)

trunk/plugins/e2p_find.c

@@ -61 +61 @@
 #include "e2_dialog.h"
 #include "e2_task.h"
+
+#define PAGE_DATAKEY "__book-child"
+#define LABEL_DATAKEY "__tab-label"
 
 //support mime-type search criteria
@@ -296 +299 @@
 };
 */
+
+static void _e2p_find_reset_spin_button (GtkWidget *widget);
+static void _e2p_find_reset_entry (GtkWidget *widget);
+static void _e2p_find_reset_combo (GtkWidget *widget);
+static void _e2p_find_set_toggle_button_on (GtkToggleButton *button);
+static void _e2p_find_set_toggle_button_off (GtkToggleButton *button);
 
 #ifdef TRACKERFIND
@@ -1794 +1803 @@
 //      current->second = (gfloat) tm_time.tm_sec;
 }
+
+/**
+@brief recursively check whether all modifiable widgets inside @a widget currently
+  hold their respective default value
+@param widget when first called, this is a page-child for the dialog notebook
+@param clean pointer to boolean value with which to AND the result. Should hold
+  TRUE when first called
+
+@return nothing, the result is communicated via @a clean
+*/
+static void _e2p_find_whether_page_is_clean (GtkWidget *widget, gboolean *clean)
+{
+        gboolean state;
+
+        if (GTK_IS_CONTAINER (widget))
+                gtk_container_foreach ((GtkContainer*)widget,
+                        (GtkCallback)_e2p_find_whether_page_is_clean, clean);
+
+        void (*reset_function) () =
+                g_object_get_data (G_OBJECT (widget), "reset_yourself");
+
+        if (reset_function == _e2p_find_reset_combo)
+        {
+                gint indx = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget), "default_index"));
+                state = (gtk_combo_box_get_active (GTK_COMBO_BOX (widget)) == indx);
+        }
+        else if (reset_function == _e2p_find_reset_entry)
+                state = (*gtk_entry_get_text (GTK_ENTRY (widget)) == '\0');
+        else if (reset_function == _e2p_find_set_toggle_button_on)
+                state = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget));
+        else if (reset_function == _e2p_find_set_toggle_button_off)
+                state = !gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget));
+        else if (reset_function == _e2p_find_reset_spin_button)
+        {
+                gfloat *value = g_object_get_data (G_OBJECT (widget), "default_value");
+                state = (gtk_spin_button_get_value (GTK_SPIN_BUTTON (widget)) == *value);
+        }
+
+        *clean = *clean && state;
+}
+
+/**
+@brief a shared callback for each widget's "changed" signal (or the like)
+@param widget the widget whose value has changed
+@user_data UNUSED Note that for some types of callback the 2nd arg is something
+  else e.g. GdkEvent *
+
+@return
+*/
+static void _e2p_find_widget_changed_cb (GtkWidget *widget, gpointer user_data)
+{
+        gboolean clean;
+        GtkWidget *box, *label;
+
+        box = (GtkWidget *) g_object_get_data (G_OBJECT(widget), PAGE_DATAKEY);
+
+        clean = TRUE;
+        _e2p_find_whether_page_is_clean (box, &clean);
+
+        label = (GtkWidget *) g_object_get_data (G_OBJECT(box), LABEL_DATAKEY);
+        if (clean)
+        {
+                GtkStyle *style = gtk_widget_get_style (app.main_window);
+                gtk_widget_modify_fg (label, GTK_STATE_NORMAL, &style->fg[GTK_STATE_NORMAL]);
+                gtk_widget_modify_fg (label, GTK_STATE_ACTIVE, &style->fg[GTK_STATE_ACTIVE]);
+        }
+        else
+        {
+                GdkColor *new = e2_option_color_get ("color-negative");
+                gtk_widget_modify_fg (label, GTK_STATE_NORMAL, new);
+                gtk_widget_modify_fg (label, GTK_STATE_ACTIVE, new);
+        }
+}
+
+/**
+@brief update display of all tab-labels in @a notebook, according to whether
+  all modifiable widgets in the correspoding page hold their default value
+@param notebook the notebook widget of the find-dialog
+
+@return
+*/
+static void _e2p_find_update_tablabels (GtkWidget *notebook)
+{
+        gint i, count;
+        GtkStyle *style;
+        GdkColor *dirty;
+
+        style = gtk_widget_get_style (app.main_window);
+        dirty = e2_option_color_get ("color-negative");
+        count = gtk_notebook_get_n_pages (GTK_NOTEBOOK (notebook));
+        for (i = 0; i < count; i++)
+        {
+                gboolean clean;
+                GtkWidget *child, *label;
+
+                child = gtk_notebook_get_nth_page (GTK_NOTEBOOK (notebook), i);
+                label = gtk_notebook_get_tab_label (GTK_NOTEBOOK (notebook), child);
+                clean = TRUE;
+                _e2p_find_whether_page_is_clean (child, &clean);
+                if (clean)
+                {
+                        gtk_widget_modify_fg (label, GTK_STATE_NORMAL, &style->fg[GTK_STATE_NORMAL]);
+                        gtk_widget_modify_fg (label, GTK_STATE_ACTIVE, &style->fg[GTK_STATE_ACTIVE]);
+                }
+                else
+                {
+                        gtk_widget_modify_fg (label, GTK_STATE_NORMAL, dirty);
+                        gtk_widget_modify_fg (label, GTK_STATE_ACTIVE, dirty);
+                }
+        }
+}
+/**
+@brief make each modifiable widget in notebook page-widget aware of the
+  page-widget in which it's sitting
+@param widget when first called, this is a page-widget of the dialog's notebook
+@param page_widget pointer to the widget to be recorded
+
+@return
+*/
+static void _e2p_find_notify_all_widgets (GtkWidget *widget, GtkWidget *page_widget)
+{
+        if (GTK_IS_CONTAINER (widget))
+                gtk_container_foreach (GTK_CONTAINER (widget),
+                        (GtkCallback)_e2p_find_notify_all_widgets, page_widget);
+        //only some widgets are relevant
+        void (*reset_function) (GtkWidget *) =
+                g_object_get_data (G_OBJECT (widget), "reset_yourself");
+        if (reset_function != NULL)
+                g_object_set_data (G_OBJECT (widget), PAGE_DATAKEY, page_widget);
+}
 /**
 @brief reset each resettable widget in the dialog
@@ -1802 +1941 @@
 
 @param widget to be processed
-@param data UNUSED data for the foreach fn
-
-@return
-*/
-static void _e2p_find_reset_all_widgets (GtkWidget *widget, gpointer data)
+@param data data supplied to the foreach func
+
+@return
+*/
+static void _e2p_find_reset_all_widgets (GtkWidget *widget, gpointer user_data)
 {
         if (GTK_IS_CONTAINER (widget))
-                gtk_container_foreach (GTK_CONTAINER (widget), _e2p_find_reset_all_widgets, NULL);
-
-        gpointer (*reset_function) () = g_object_get_data (G_OBJECT (widget), "reset_yourself");
+                gtk_container_foreach (GTK_CONTAINER (widget),
+                        _e2p_find_reset_all_widgets, user_data);
+
+        void (*reset_function) (GtkWidget *) =
+                g_object_get_data (G_OBJECT (widget), "reset_yourself");
         if (reset_function != NULL)
                  (*reset_function) (widget);
@@ -2259 +2400 @@
                 }
         }
+        _e2p_find_widget_changed_cb (GTK_WIDGET(button), NULL);
 }
 /**
@@ -2317 +2459 @@
                         break;
         }
+        _e2p_find_widget_changed_cb (GTK_WIDGET(button), NULL);
 }
 /**
@@ -2359 +2502 @@
 {
         _e2p_find_reset_all_widgets (rt->dialog, NULL);
+        _e2p_find_update_tablabels (rt->notebook);
 }
 /**
@@ -3022 +3166 @@
         _e2p_find_make_owner_tab (rt->notebook, rt);    //page 8
         _e2p_find_make_type_tab (rt->notebook, rt);             //page 9
+
+        _e2p_find_update_tablabels (rt->notebook);
 }
 /**
@@ -3057 +3203 @@
 #endif
 
+        _e2p_find_notify_all_widgets (vbox, vbox);
+        g_object_set_data (G_OBJECT(vbox), LABEL_DATAKEY, label);
         gtk_notebook_append_page (GTK_NOTEBOOK (notebook), vbox, label);
 }
@@ -3078 +3226 @@
         GtkWidget *hbox = _e2p_find_create_hbox (vbox);
         GtkWidget *leader = _e2p_find_create_toggle_grouped_button
-                (hbox, FSIZE_LT_P, FALSE, _("less than:"), NULL, rt);
+                (hbox, FSIZE_LT_P, TRUE, _("less than:"), NULL, rt);
         _e2p_find_create_toggle_button (hbox,
                 FSIZE_EQ_P, FALSE, _("equal to:"), rt);
         _e2p_find_create_toggle_grouped_button (hbox,
-                FSIZE_GT_P, TRUE, _("more than"), leader, rt);
+                FSIZE_GT_P, FALSE, _("more than"), leader, rt);
 
         hbox = _e2p_find_create_hbox (vbox);
@@ -3097 +3245 @@
                 FSIZE_MB_P, FALSE, _("Mbytes"), rt);
 
+        _e2p_find_notify_all_widgets (vbox, vbox);
+        g_object_set_data (G_OBJECT (vbox), LABEL_DATAKEY, label);
         gtk_notebook_append_page (GTK_NOTEBOOK (notebook), vbox, label);
 }
@@ -3122 +3272 @@
 #endif
 
+        _e2p_find_notify_all_widgets (vbox, vbox);
+        g_object_set_data (G_OBJECT (vbox), LABEL_DATAKEY, label);
         gtk_notebook_append_page (GTK_NOTEBOOK (notebook), vbox, label);
 }
@@ -3162 +3314 @@
         rt->mrel_combo = _e2p_find_create_combo (hbox, periods, PERIODCOUNT, 1); //default days
 
+        _e2p_find_notify_all_widgets (vbox, vbox);
+        g_object_set_data (G_OBJECT (vbox), LABEL_DATAKEY, label);
         gtk_notebook_append_page (GTK_NOTEBOOK (notebook), vbox, label);
 }
@@ -3203 +3357 @@
         rt->arel_combo = _e2p_find_create_combo (hbox, periods, PERIODCOUNT, 1); //default days
 
+        _e2p_find_notify_all_widgets (vbox, vbox);
+        g_object_set_data (G_OBJECT (vbox), LABEL_DATAKEY, label);
         gtk_notebook_append_page (GTK_NOTEBOOK (notebook), vbox, label);
 }
@@ -3244 +3400 @@
         rt->crel_combo = _e2p_find_create_combo (hbox, periods, PERIODCOUNT, 1); //default days
 
+        _e2p_find_notify_all_widgets (vbox, vbox);
+        g_object_set_data (G_OBJECT (vbox), LABEL_DATAKEY, label);
         gtk_notebook_append_page (GTK_NOTEBOOK (notebook), vbox, label);
 }
@@ -3304 +3462 @@
                 STICKY_P, FALSE, _("sticky"), rt);
 
+        _e2p_find_notify_all_widgets (vbox, vbox);
+        g_object_set_data (G_OBJECT (vbox), LABEL_DATAKEY, label);
         gtk_notebook_append_page (GTK_NOTEBOOK (notebook), vbox, label);
 }
@@ -3364 +3524 @@
                 FIFO_P, FALSE, _("fifo"), rt);
 
+        _e2p_find_notify_all_widgets (vbox, vbox);
+        g_object_set_data (G_OBJECT (vbox), LABEL_DATAKEY, label);
         gtk_notebook_append_page (GTK_NOTEBOOK (notebook), vbox, label);
 }
@@ -3456 +3618 @@
         }
 
+        _e2p_find_notify_all_widgets (vbox, vbox);
+        g_object_set_data (G_OBJECT (vbox), LABEL_DATAKEY, label);
         gtk_notebook_append_page (GTK_NOTEBOOK (notebook), vbox, label);
 }
@@ -3549 +3713 @@
 #endif
 
+        _e2p_find_notify_all_widgets (vbox, vbox);
+        g_object_set_data (G_OBJECT (vbox), LABEL_DATAKEY, label);
         gtk_notebook_append_page (GTK_NOTEBOOK (notebook), vbox, label);
 }
@@ -3578 +3744 @@
         else
                 histdefault = -1;
+        g_signal_connect (G_OBJECT (rv), "changed", G_CALLBACK (_e2p_find_widget_changed_cb), NULL);
         g_object_set_data (G_OBJECT (rv), "default_index", GINT_TO_POINTER (histdefault));
         g_object_set_data (G_OBJECT (rv), "reset_yourself", _e2p_find_reset_combo);
@@ -3593 +3760 @@
 {
         GtkWidget *rv = e2_widget_add_entry (box, text, TRUE, FALSE);
+        g_signal_connect_after (G_OBJECT (rv), "key-release-event", G_CALLBACK (_e2p_find_widget_changed_cb), NULL);
         g_object_set_data (G_OBJECT (rv), "reset_yourself", _e2p_find_reset_entry);
         return rv;
@@ -3599 +3767 @@
 @brief create a hbox in @a box
 
-@param box the widget into which the button is to be placed
+@param box the widget into which the hbox is to be placed
 
 @return the created box widget
@@ -3784 +3952 @@
         GtkWidget *button = gtk_spin_button_new (GTK_ADJUSTMENT (adj), 1.0, 0);
         gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (button), TRUE);
+        g_signal_connect (G_OBJECT (button), "value-changed", G_CALLBACK (_e2p_find_widget_changed_cb), NULL);
         g_object_set_data (G_OBJECT (button), "default_value", default_value);
         g_object_set_data (G_OBJECT (button), "reset_yourself", _e2p_find_reset_spin_button);