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[ext/subsurface.git] / equipment.c
index 1e0721b9abd195370b6daa8ecdb81f2938cf70d4..ba7fb6859f87ce6e821c43bfbc39fc5dca342e43 100644 (file)
@@ -1,7 +1,7 @@
 /* equipment.c */
 /* creates the UI for the equipment page -
  * controlled through the following interfaces:
- * 
+ *
  * void show_dive_equipment(struct dive *dive)
  * void flush_dive_equipment_changes(struct dive *dive)
  *
 #include "display-gtk.h"
 #include "divelist.h"
 
+GtkListStore *cylinder_model;
+
+enum {
+       CYL_DESC,
+       CYL_SIZE,
+       CYL_WORKP,
+       CYL_STARTP,
+       CYL_ENDP,
+       CYL_O2,
+       CYL_HE,
+       CYL_COLUMNS
+};
+
+static struct {
+       int max_index;
+       GtkListStore *model;
+       GtkWidget *tree_view;
+       GtkWidget *edit, *add, *del;
+       GtkTreeViewColumn *desc, *size, *workp, *startp, *endp, *o2, *he;
+} cylinder_list;
+
 struct cylinder_widget {
        int index, changed;
        const char *name;
@@ -28,10 +49,25 @@ struct cylinder_widget {
        GtkWidget *o2, *gasmix_button;
 };
 
-static struct cylinder_widget gtk_cylinder[MAX_CYLINDERS];
+static int convert_pressure(int mbar, double *p)
+{
+       int decimals = 1;
+       double pressure;
 
-static void set_cylinder_spinbuttons(struct cylinder_widget *cylinder, int ml, int mbar)
+       pressure = mbar / 1000.0;
+       if (mbar) {
+               if (output_units.pressure == PSI) {
+                       pressure *= 14.5037738; /* Bar to PSI */
+                       decimals = 0;
+               }
+       }
+       *p = pressure;
+       return decimals;
+}
+
+static int convert_volume_pressure(int ml, int mbar, double *v, double *p)
 {
+       int decimals = 1;
        double volume, pressure;
 
        volume = ml / 1000.0;
@@ -43,9 +79,19 @@ static void set_cylinder_spinbuttons(struct cylinder_widget *cylinder, int ml, i
                }
                if (output_units.pressure == PSI) {
                        pressure *= 14.5037738; /* Bar to PSI */
+                       decimals = 0;
                }
        }
+       *v = volume;
+       *p = pressure;
+       return decimals;
+}
 
+static void set_cylinder_spinbuttons(struct cylinder_widget *cylinder, int ml, int mbar)
+{
+       double volume, pressure;
+
+       convert_volume_pressure(ml, mbar, &volume, &pressure);
        gtk_spin_button_set_value(cylinder->size, volume);
        gtk_spin_button_set_value(cylinder->pressure, pressure);
 }
@@ -159,12 +205,58 @@ static void show_cylinder(cylinder_t *cyl, struct cylinder_widget *cylinder)
        gtk_spin_button_set_value(GTK_SPIN_BUTTON(cylinder->o2), o2);
 }
 
+static int cyl_nothing(cylinder_t *cyl)
+{
+       return  !cyl->type.size.mliter &&
+               !cyl->type.workingpressure.mbar &&
+               !cyl->type.description &&
+               !cyl->gasmix.o2.permille &&
+               !cyl->gasmix.he.permille &&
+               !cyl->start.mbar &&
+               !cyl->end.mbar;
+}
+
+static void set_one_cylinder(int index, cylinder_t *cyl, GtkListStore *model, GtkTreeIter *iter)
+{
+       gtk_list_store_set(model, iter,
+               CYL_DESC, cyl->type.description ? : "",
+               CYL_SIZE, cyl->type.size.mliter,
+               CYL_WORKP, cyl->type.workingpressure.mbar,
+               CYL_STARTP, cyl->start.mbar,
+               CYL_ENDP, cyl->end.mbar,
+               CYL_O2, cyl->gasmix.o2.permille,
+               CYL_HE, cyl->gasmix.he.permille,
+               -1);
+}
+
 void show_dive_equipment(struct dive *dive)
 {
-       int i;
+       int i, max;
+       GtkTreeIter iter;
+       GtkListStore *model;
+
+       model = cylinder_list.model;
+       gtk_list_store_clear(model);
+       max = MAX_CYLINDERS;
+       do {
+               cylinder_t *cyl = &dive->cylinder[max-1];
+
+               if (!cyl_nothing(cyl))
+                       break;
+       } while (--max);
 
-       for (i = 0; i < MAX_CYLINDERS; i++)
-               show_cylinder(dive->cylinder + i, gtk_cylinder+i);
+       cylinder_list.max_index = max;
+
+       gtk_widget_set_sensitive(cylinder_list.edit, 0);
+       gtk_widget_set_sensitive(cylinder_list.del, 0);
+       gtk_widget_set_sensitive(cylinder_list.add, max < MAX_CYLINDERS);
+
+       for (i = 0; i < max; i++) {
+               cylinder_t *cyl = dive->cylinder+i;
+
+               gtk_list_store_append(model, &iter);
+               set_one_cylinder(i, cyl, model, &iter);
+       }
 }
 
 static GtkWidget *create_spinbutton(GtkWidget *vbox, const char *name, double min, double max, double incr)
@@ -239,29 +331,6 @@ void flush_dive_equipment_changes(struct dive *dive)
        /* We do nothing: we require the "Ok" button press */
 }
 
-static void apply_cb(GtkButton *button, gpointer data)
-{
-       int i;
-       struct dive *dive = current_dive;
-
-       if (!dive)
-               return;
-
-       for (i = 0; i < MAX_CYLINDERS; i++)
-               record_cylinder_changes(dive->cylinder+i, gtk_cylinder+i);
-       flush_divelist(dive);
-}
-
-static void cancel_cb(GtkButton *button, gpointer data)
-{
-       struct dive *dive = current_dive;
-
-       if (!dive)
-               return;
-
-       show_dive_equipment(current_dive);
-}
-
 /*
  * We hardcode the most common standard cylinders,
  * we should pick up any other names from the dive
@@ -342,33 +411,27 @@ static void nitrox_cb(GtkToggleButton *button, gpointer data)
        gtk_widget_set_sensitive(cylinder->o2, state);
 }
 
-static void cylinder_widget(int nr, GtkListStore *model)
+static void cylinder_widget(GtkWidget *vbox, struct cylinder_widget *cylinder, GtkListStore *model)
 {
-       struct cylinder_widget *cylinder;
-       GtkWidget *frame, *hbox, *hbox2;
+       GtkWidget *frame, *hbox;
        GtkWidget *widget;
-       char buffer[80];
 
-       cylinder = gtk_cylinder + nr;
-       cylinder->index = nr;
+       frame = gtk_frame_new("Cylinder");
 
        hbox = gtk_hbox_new(FALSE, 3);
-       cylinder->hbox = hbox;
-
-       snprintf(buffer, sizeof(buffer), "Cylinder %d", nr+1);
-       frame = gtk_frame_new(buffer);
-       gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 0);
-
-       hbox2 = gtk_hbox_new(FALSE, 3);
-       gtk_container_add(GTK_CONTAINER(frame), hbox2);
+       gtk_container_add(GTK_CONTAINER(frame), hbox);
 
        widget = gtk_combo_box_entry_new_with_model(GTK_TREE_MODEL(model), 0);
-       gtk_box_pack_start(GTK_BOX(hbox2), widget, FALSE, TRUE, 0);
+       gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
 
        cylinder->description = GTK_COMBO_BOX(widget);
        g_signal_connect(widget, "changed", G_CALLBACK(cylinder_cb), cylinder);
 
-       widget = create_spinbutton(hbox, "Size", 0, 200, 0.1);
+       hbox = gtk_hbox_new(FALSE, 3);
+       gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
+       gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 0);
+
+       widget = create_spinbutton(hbox, "Size", 0, 300, 0.1);
        cylinder->size = GTK_SPIN_BUTTON(widget);
 
        widget = create_spinbutton(hbox, "Pressure", 0, 5000, 1);
@@ -384,6 +447,138 @@ static void cylinder_widget(int nr, GtkListStore *model)
        gtk_spin_button_set_range(GTK_SPIN_BUTTON(cylinder->o2), 21.0, 100.0);
 }
 
+static int edit_cylinder_dialog(int index, cylinder_t *cyl)
+{
+       int success;
+       GtkWidget *dialog, *vbox;
+       struct cylinder_widget cylinder;
+       struct dive *dive;
+
+       cylinder.index = index;
+       cylinder.changed = 0;
+
+       dive = current_dive;
+       if (!dive)
+               return 0;
+       *cyl = dive->cylinder[index];
+
+       dialog = gtk_dialog_new_with_buttons("Cylinder",
+               GTK_WINDOW(main_window),
+               GTK_DIALOG_DESTROY_WITH_PARENT,
+               GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
+               GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
+               NULL);
+
+       vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
+       cylinder_widget(vbox, &cylinder, cylinder_model);
+
+       show_cylinder(cyl, &cylinder);
+
+       gtk_widget_show_all(dialog);
+       success = gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT;
+       if (success) {
+               record_cylinder_changes(cyl, &cylinder);
+               dive->cylinder[index] = *cyl;
+               mark_divelist_changed(TRUE);
+               flush_divelist(dive);
+       }
+
+       gtk_widget_destroy(dialog);
+
+       return success;
+}
+
+static int get_model_index(GtkListStore *model, GtkTreeIter *iter)
+{
+       int *p, index;
+       GtkTreePath *path;
+
+       path = gtk_tree_model_get_path(GTK_TREE_MODEL(model), iter);
+       p = gtk_tree_path_get_indices(path);
+       index = p ? *p : 0;
+       gtk_tree_path_free(path);
+       return index;
+}
+
+static void edit_cb(GtkButton *button, gpointer data)
+{
+       int index;
+       GtkTreeIter iter;
+       GtkListStore *model = cylinder_list.model;
+       GtkTreeSelection *selection;
+       cylinder_t cyl;
+
+       selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(cylinder_list.tree_view));
+
+       /* Nothing selected? This shouldn't happen, since the button should be inactive */
+       if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
+               return;
+
+       index = get_model_index(model, &iter);
+       if (!edit_cylinder_dialog(index, &cyl))
+               return;
+
+       set_one_cylinder(index, &cyl, model, &iter);
+}
+
+static void add_cb(GtkButton *button, gpointer data)
+{
+       int index = cylinder_list.max_index;
+       GtkTreeIter iter;
+       GtkListStore *model = cylinder_list.model;
+       GtkTreeSelection *selection;
+       cylinder_t cyl;
+
+       if (!edit_cylinder_dialog(index, &cyl))
+               return;
+
+       gtk_list_store_append(model, &iter);
+       set_one_cylinder(index, &cyl, model, &iter);
+
+       selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(cylinder_list.tree_view));
+       gtk_tree_selection_select_iter(selection, &iter);
+
+       cylinder_list.max_index++;
+       gtk_widget_set_sensitive(cylinder_list.add, cylinder_list.max_index < MAX_CYLINDERS);
+}
+
+static void del_cb(GtkButton *button, gpointer data)
+{
+       int index, nr;
+       GtkTreeIter iter;
+       GtkListStore *model = cylinder_list.model;
+       GtkTreeSelection *selection;
+       struct dive *dive;
+       cylinder_t *cyl;
+
+       selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(cylinder_list.tree_view));
+
+       /* Nothing selected? This shouldn't happen, since the button should be inactive */
+       if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
+               return;
+
+       index = get_model_index(model, &iter);
+
+       dive = current_dive;
+       if (!dive)
+               return;
+       cyl = dive->cylinder + index;
+       nr = cylinder_list.max_index - index - 1;
+
+       gtk_list_store_remove(model, &iter);
+
+       cylinder_list.max_index--;
+       memmove(cyl, cyl+1, nr*sizeof(*cyl));
+       memset(cyl+nr, 0, sizeof(*cyl));
+
+       mark_divelist_changed(TRUE);
+       flush_divelist(dive);
+
+       gtk_widget_set_sensitive(cylinder_list.edit, 0);
+       gtk_widget_set_sensitive(cylinder_list.del, 0);
+       gtk_widget_set_sensitive(cylinder_list.add, 1);
+}
+
 static GtkListStore *create_tank_size_model(void)
 {
        GtkListStore *model;
@@ -398,37 +593,167 @@ static GtkListStore *create_tank_size_model(void)
        return model;
 }
 
-GtkWidget *equipment_widget(void)
+static void size_data_func(GtkTreeViewColumn *col,
+                          GtkCellRenderer *renderer,
+                          GtkTreeModel *model,
+                          GtkTreeIter *iter,
+                          gpointer data)
+{
+       int ml, mbar;
+       double size, pressure;
+       char buffer[10];
+
+       gtk_tree_model_get(model, iter, CYL_SIZE, &ml, CYL_WORKP, &mbar, -1);
+       convert_volume_pressure(ml, mbar, &size, &pressure);
+       if (size)
+               snprintf(buffer, sizeof(buffer), "%.1f", size);
+       else
+               strcpy(buffer, "unkn");
+       g_object_set(renderer, "text", buffer, NULL);
+}
+
+static void pressure_data_func(GtkTreeViewColumn *col,
+                          GtkCellRenderer *renderer,
+                          GtkTreeModel *model,
+                          GtkTreeIter *iter,
+                          gpointer data)
+{
+       int index = (long)data;
+       int mbar, decimals;
+       double pressure;
+       char buffer[10];
+
+       gtk_tree_model_get(model, iter, index, &mbar, -1);
+       decimals = convert_pressure(mbar, &pressure);
+       if (mbar)
+               snprintf(buffer, sizeof(buffer), "%.*f", decimals, pressure);
+       else
+               *buffer = 0;
+       g_object_set(renderer, "text", buffer, NULL);
+}
+
+static void percentage_data_func(GtkTreeViewColumn *col,
+                          GtkCellRenderer *renderer,
+                          GtkTreeModel *model,
+                          GtkTreeIter *iter,
+                          gpointer data)
+{
+       int index = (long)data;
+       int permille;
+       char buffer[10];
+
+       gtk_tree_model_get(model, iter, index, &permille, -1);
+       if (permille)
+               snprintf(buffer, sizeof(buffer), "%.1f%%", permille / 10.0);
+       else
+               *buffer = 0;
+       g_object_set(renderer, "text", buffer, NULL);
+}
+
+static void selection_cb(GtkTreeSelection *selection, GtkTreeModel *model)
+{
+       GtkTreeIter iter;
+       int selected;
+
+       selected = gtk_tree_selection_get_selected(selection, NULL, &iter);
+       gtk_widget_set_sensitive(cylinder_list.edit, selected);
+       gtk_widget_set_sensitive(cylinder_list.del, selected);
+}
+
+static void row_activated_cb(GtkTreeView *tree_view,
+                       GtkTreePath *path,
+                       GtkTreeViewColumn *column,
+                       GtkTreeModel *model)
 {
-       int i;
-       GtkWidget *vbox, *hbox;
-       GtkWidget *apply, *cancel;
+       edit_cb(NULL, NULL);
+}
+
+static GtkWidget *cylinder_list_create(void)
+{
+       GtkWidget *tree_view;
+       GtkTreeSelection *selection;
        GtkListStore *model;
 
+       model = gtk_list_store_new(CYL_COLUMNS,
+               G_TYPE_STRING,          /* CYL_DESC: utf8 */
+               G_TYPE_INT,             /* CYL_SIZE: mliter */
+               G_TYPE_INT,             /* CYL_WORKP: mbar */
+               G_TYPE_INT,             /* CYL_STARTP: mbar */
+               G_TYPE_INT,             /* CYL_ENDP: mbar */
+               G_TYPE_INT,             /* CYL_O2: permille */
+               G_TYPE_INT              /* CYL_HE: permille */
+               );
+       cylinder_list.model = model;
+       tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
+       g_signal_connect(tree_view, "row-activated", G_CALLBACK(row_activated_cb), model);
+
+       selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree_view));
+       gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_BROWSE);
+       g_signal_connect(selection, "changed", G_CALLBACK(selection_cb), model);
+
+       g_object_set(G_OBJECT(tree_view), "headers-visible", TRUE,
+                                         "enable-grid-lines", GTK_TREE_VIEW_GRID_LINES_BOTH,
+                                         NULL);
+
+       cylinder_list.desc = tree_view_column(tree_view, CYL_DESC, "Type", NULL, PANGO_ALIGN_LEFT, TRUE);
+       cylinder_list.size = tree_view_column(tree_view, CYL_SIZE, "Size", size_data_func, PANGO_ALIGN_RIGHT, TRUE);
+       cylinder_list.workp = tree_view_column(tree_view, CYL_WORKP, "MaxPress", pressure_data_func, PANGO_ALIGN_RIGHT, TRUE);
+       cylinder_list.startp = tree_view_column(tree_view, CYL_STARTP, "Start", pressure_data_func, PANGO_ALIGN_RIGHT, TRUE);
+       cylinder_list.endp = tree_view_column(tree_view, CYL_ENDP, "End", pressure_data_func, PANGO_ALIGN_RIGHT, TRUE);
+       cylinder_list.o2 = tree_view_column(tree_view, CYL_O2, "O" UTF8_SUBSCRIPT_2 "%", percentage_data_func, PANGO_ALIGN_RIGHT, TRUE);
+       cylinder_list.he = tree_view_column(tree_view, CYL_HE, "He%", percentage_data_func, PANGO_ALIGN_RIGHT, TRUE);
+       return tree_view;
+}
+
+GtkWidget *equipment_widget(void)
+{
+       GtkWidget *vbox, *hbox, *frame, *framebox;
+       GtkWidget *add, *del, *edit;
+
        vbox = gtk_vbox_new(FALSE, 3);
 
-       model = create_tank_size_model();
+       /*
+        * We create the cylinder size model at startup, since
+        * we're going to share it across all cylinders and all
+        * dives. So if you add a new cylinder type in one dive,
+        * it will show up when you edit the cylinder types for
+        * another dive.
+        */
+       cylinder_model = create_tank_size_model();
 
-       /* Create all MAX_CYLINDER gtk widgets */
-       for (i = 0; i < MAX_CYLINDERS; i++)
-               cylinder_widget(i, model);
+       cylinder_list.tree_view = cylinder_list_create();
 
-       /* But only connect two of them right now to the frame vbox */
-       for (i = 0; i < 2; i++) {
-               struct cylinder_widget *cylinder = gtk_cylinder+i;
-               gtk_box_pack_start(GTK_BOX(vbox), cylinder->hbox, FALSE, TRUE, 0);
-       }
+       hbox = gtk_hbox_new(FALSE, 3);
+       gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
 
-       hbox = gtk_hbox_new(TRUE, 3);
-       gtk_box_pack_end(GTK_BOX(vbox), hbox, TRUE, FALSE, 0);
+       frame = gtk_frame_new("Cylinders");
+       gtk_box_pack_start(GTK_BOX(hbox), frame, TRUE, FALSE, 3);
 
-       apply = gtk_button_new_from_stock(GTK_STOCK_APPLY);
-       cancel = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
-       gtk_box_pack_start(GTK_BOX(hbox), apply, FALSE, FALSE, 0);
-       gtk_box_pack_start(GTK_BOX(hbox), cancel, FALSE, FALSE, 0);
+       framebox = gtk_vbox_new(FALSE, 3);
+       gtk_container_add(GTK_CONTAINER(frame), framebox);
 
-       g_signal_connect(apply, "clicked", G_CALLBACK(apply_cb), NULL);
-       g_signal_connect(cancel, "clicked", G_CALLBACK(cancel_cb), NULL);
+       hbox = gtk_hbox_new(FALSE, 3);
+       gtk_box_pack_start(GTK_BOX(framebox), hbox, TRUE, FALSE, 3);
+
+       gtk_box_pack_start(GTK_BOX(hbox), cylinder_list.tree_view, TRUE, FALSE, 3);
+
+       hbox = gtk_hbox_new(TRUE, 3);
+       gtk_box_pack_start(GTK_BOX(framebox), hbox, TRUE, FALSE, 3);
+
+       edit = gtk_button_new_from_stock(GTK_STOCK_EDIT);
+       add = gtk_button_new_from_stock(GTK_STOCK_ADD);
+       del = gtk_button_new_from_stock(GTK_STOCK_DELETE);
+       gtk_box_pack_start(GTK_BOX(hbox), edit, FALSE, FALSE, 0);
+       gtk_box_pack_start(GTK_BOX(hbox), add, FALSE, FALSE, 0);
+       gtk_box_pack_start(GTK_BOX(hbox), del, FALSE, FALSE, 0);
+
+       cylinder_list.edit = edit;
+       cylinder_list.add = add;
+       cylinder_list.del = del;
+
+       g_signal_connect(edit, "clicked", G_CALLBACK(edit_cb), NULL);
+       g_signal_connect(add, "clicked", G_CALLBACK(add_cb), NULL);
+       g_signal_connect(del, "clicked", G_CALLBACK(del_cb), NULL);
 
        return vbox;
 }