--- /dev/null
+/* HomeBank -- Free, easy, personal accounting for everyone.
+ * Copyright (C) 1995-2013 Maxime DOYEN
+ *
+ * This file is part of HomeBank.
+ *
+ * HomeBank 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.
+ *
+ * HomeBank 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/>.
+ */
+
+
+#include <math.h>
+#include <string.h>
+#include <gtk/gtk.h>
+
+#include "homebank.h"
+#include "gtk-chart-colors.h"
+#include "gtk-chart-stack.h"
+
+#define MYDEBUG 0
+
+#if MYDEBUG
+#define DB(x) (x);
+#else
+#define DB(x);
+#endif
+
+
+#define HELPDRAW 0
+
+
+
+/* --- prototypes --- */
+static void ui_chart_stack_class_init (ChartStackClass *klass);
+static void ui_chart_stack_init (ChartStack *chart);
+static void ui_chart_stack_destroy (GtkWidget *chart);
+/*static void ui_chart_stack_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);*/
+
+static gboolean drawarea_configure_event_callback (GtkWidget *widget, GdkEventConfigure *event, gpointer user_data);
+static gboolean drawarea_draw_callback(GtkWidget *widget, cairo_t *cr, gpointer user_data);
+static gboolean drawarea_scroll_event_callback( GtkWidget *widget, GdkEventScroll *event, gpointer user_data);
+static gboolean drawarea_motionnotifyevent_callback(GtkWidget *widget, GdkEventMotion *event, gpointer user_data);
+static void ui_chart_stack_first_changed( GtkAdjustment *adj, gpointer user_data);
+
+static void ui_chart_stack_clear(ChartStack *chart, gboolean store);
+
+static void ui_chart_stack_queue_redraw(ChartStack *chart);
+
+/* --- variables --- */
+static GtkBoxClass *parent_class = NULL;
+
+
+/* --- functions --- */
+GType ui_chart_stack_get_type ()
+{
+static GType ui_chart_stack_type = 0;
+
+ if (G_UNLIKELY(ui_chart_stack_type == 0))
+ {
+ const GTypeInfo ui_chart_stack_info =
+ {
+ sizeof (ChartStackClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) ui_chart_stack_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_init */
+ sizeof (ChartStack),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) ui_chart_stack_init,
+ NULL /* value_table */
+ };
+
+ ui_chart_stack_type = g_type_register_static (GTK_TYPE_BOX, "ChartStack",
+ &ui_chart_stack_info, 0);
+
+ }
+ return ui_chart_stack_type;
+}
+
+
+static void ui_chart_stack_class_init (ChartStackClass * class)
+{
+//GObjectClass *gobject_class;
+GtkWidgetClass *widget_class;
+
+ DB( g_print("\n[chartstack] class_init\n") );
+
+ //gobject_class = (GObjectClass*) class;
+ widget_class = (GtkWidgetClass*) class;
+
+ parent_class = g_type_class_peek_parent (class);
+
+ //gobject_class->dispose = ui_chart_stack_dispose;
+ //gobject_class->finalize = ui_chart_stack_finalize;
+ //gobject_class->set_property = ui_chart_stack_set_property;
+ //gobject_class->get_property = ui_chart_stack_get_property;
+
+ widget_class->destroy = ui_chart_stack_destroy;
+
+
+}
+
+/* get/set properties goes here */
+
+
+static void
+ui_chart_stack_init (ChartStack * chart)
+{
+GtkWidget *widget, *hbox, *scrollwin;
+
+
+ DB( g_print("\n[chartstack] init\n") );
+
+ chart->surface = NULL;
+ chart->nb_items = 0;
+ chart->active = -1;
+ chart->title = NULL;
+ chart->subtitle = NULL;
+ chart->pfd = NULL;
+
+ chart->budget_title = "Budget";
+ chart->result_title = "Result";
+
+ chart->barw = GTK_CHARTSTACK_BARW;
+ ui_chart_stack_set_color_scheme(chart, CHART_COLMAP_HOMEBANK);
+
+ widget=GTK_WIDGET(chart);
+
+ gtk_box_set_homogeneous(GTK_BOX(widget), FALSE);
+
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+ gtk_box_pack_start (GTK_BOX (widget), hbox, TRUE, TRUE, 0);
+
+ /* drawing area */
+ scrollwin = gtk_frame_new(NULL);
+ gtk_frame_set_shadow_type (GTK_FRAME(scrollwin), GTK_SHADOW_ETCHED_IN);
+ gtk_box_pack_start (GTK_BOX (hbox), scrollwin, TRUE, TRUE, 0);
+
+ //scrollwin = gtk_scrolled_window_new(NULL,NULL);
+ //gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrollwin), GTK_SHADOW_ETCHED_IN);
+ //gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrollwin), GTK_POLICY_NEVER, GTK_POLICY_NEVER);
+ //gtk_box_pack_start (GTK_BOX (hbox), scrollwin, TRUE, TRUE, 0);
+
+ chart->drawarea = gtk_drawing_area_new();
+ //gtk_widget_set_double_buffered (GTK_WIDGET(widget), FALSE);
+
+ gtk_container_add( GTK_CONTAINER(scrollwin), chart->drawarea );
+ gtk_widget_set_size_request(chart->drawarea, 150, 150 );
+ gtk_widget_set_has_tooltip(chart->drawarea, FALSE);
+ gtk_widget_show(chart->drawarea);
+
+ /* scrollbar */
+ chart->adjustment = GTK_ADJUSTMENT(gtk_adjustment_new (0.0, 0.0, 1.0, 1.0, 1.0, 1.0));
+ chart->scrollbar = gtk_scrollbar_new (GTK_ORIENTATION_VERTICAL,GTK_ADJUSTMENT (chart->adjustment));
+ gtk_box_pack_start (GTK_BOX (hbox), chart->scrollbar, FALSE, TRUE, 0);
+
+ gtk_widget_set_events(GTK_WIDGET(chart->drawarea),
+ GDK_EXPOSURE_MASK |
+ //GDK_POINTER_MOTION_MASK |
+ //GDK_POINTER_MOTION_HINT_MASK |
+ GDK_SCROLL_MASK
+ );
+
+ g_signal_connect( G_OBJECT(chart->drawarea), "configure-event", G_CALLBACK (drawarea_configure_event_callback), chart);
+ //g_signal_connect( G_OBJECT(chart->drawarea), "realize", G_CALLBACK(drawarea_realize_callback), chart ) ;
+ g_signal_connect( G_OBJECT(chart->drawarea), "draw", G_CALLBACK(drawarea_draw_callback), chart );
+ //g_signal_connect( G_OBJECT(chart->drawarea), "query-tooltip", G_CALLBACK(drawarea_querytooltip_callback), chart );
+ g_signal_connect( G_OBJECT(chart->drawarea), "scroll-event", G_CALLBACK(drawarea_scroll_event_callback), chart ) ;
+ g_signal_connect( G_OBJECT(chart->drawarea), "motion-notify-event", G_CALLBACK(drawarea_motionnotifyevent_callback), chart );
+
+ g_signal_connect (G_OBJECT(chart->adjustment), "value-changed", G_CALLBACK (ui_chart_stack_first_changed), chart);
+
+ /*
+ g_signal_connect( G_OBJECT(chart->drawarea), "leave-notify-event", G_CALLBACK(ui_chart_stack_leave), chart );
+ g_signal_connect( G_OBJECT(chart->drawarea), "enter-notify-event", G_CALLBACK(ui_chart_stack_enter), chart );
+ g_signal_connect( G_OBJECT(chart->drawarea), "button-press-event", G_CALLBACK(ui_chart_stack_button_press), chart );
+ g_signal_connect( G_OBJECT(chart->drawarea), "button-release-event", G_CALLBACK(ui_chart_stack_button_release), chart );
+ */
+
+
+}
+
+
+GtkWidget *
+ui_chart_stack_new (void)
+{
+GtkWidget *chart;
+
+ chart = (GtkWidget *)g_object_new (GTK_TYPE_CHARTSTACK, NULL);
+
+ return chart;
+}
+
+
+void
+ui_chart_stack_destroy (GtkWidget * object)
+{
+ChartStack *chart = GTK_CHARTSTACK(object);
+
+ g_return_if_fail (GTK_IS_CHARTSTACK (object));
+
+ ui_chart_stack_clear(GTK_CHARTSTACK (object), FALSE);
+
+ if(chart->pfd)
+ {
+ pango_font_description_free (chart->pfd);
+ chart->pfd = NULL;
+ }
+
+ if (chart->surface)
+ {
+ cairo_surface_destroy (chart->surface);
+ chart->surface = NULL;
+ }
+
+ GTK_WIDGET_CLASS (parent_class)->destroy (object);
+}
+
+
+
+
+/*
+** print a integer number
+*/
+static gchar *ui_chart_stack_print_int(ChartStack *chart, gdouble value)
+{
+
+ hb_strfmon(chart->buffer, CHART_BUFFER_LENGTH-1, value, chart->kcur, chart->minor);
+ return chart->buffer;
+}
+
+
+static void ui_chart_stack_clear(ChartStack *chart, gboolean store)
+{
+
+ DB( g_print("\n[chartstack] clear\n") );
+
+ //free & clear any previous allocated datas
+ if(chart->title != NULL)
+ {
+ g_free(chart->title);
+ chart->title = NULL;
+ }
+
+ if(chart->subtitle != NULL)
+ {
+ g_free(chart->subtitle);
+ chart->subtitle = NULL;
+ }
+
+ if(chart->items != NULL)
+ {
+ /*for(i=0;i<chart->nb_items;i++)
+ {
+ StackItem *item = &g_array_index(chart->items, StackItem, i);
+
+ //g_free(item->legend);
+ }*/
+ g_array_free(chart->items, TRUE);
+ chart->items = NULL;
+ }
+
+ chart->nb_items = 0;
+
+}
+
+
+static void ui_chart_stack_setup_with_model(ChartStack *chart, GtkTreeModel *list_store, gchar *coltitle1, gchar *coltitle2)
+{
+guint i;
+gboolean valid;
+GtkTreeIter iter;
+
+ DB( g_print("\n[chartstack] setup with model\n") );
+
+ ui_chart_stack_clear(chart, TRUE);
+
+ chart->nb_items = gtk_tree_model_iter_n_children(GTK_TREE_MODEL(list_store), NULL);
+
+ chart->items = g_array_sized_new(FALSE, FALSE, sizeof(StackItem), chart->nb_items);
+
+ DB( g_print(" nb=%d\n", chart->nb_items) );
+
+ if(coltitle1)
+ chart->budget_title = coltitle1;
+ if(coltitle2)
+ chart->result_title = coltitle2;
+
+ /* Get the first iter in the list */
+ valid = gtk_tree_model_get_iter_first (GTK_TREE_MODEL(list_store), &iter);
+ i = 0;
+ while (valid)
+ {
+ gint id;
+ gchar *label, *status;
+ gdouble value1, value2;
+ StackItem item;
+
+ gtk_tree_model_get (GTK_TREE_MODEL(list_store), &iter,
+ 0, &id,
+ //1, &pos,
+ 2, &label,
+ 3, &value1, //spent
+ 4, &value2, //budget
+ //5, &result,
+ 6, &status,
+ -1);
+
+ item.label = label;
+ item.spent = value1;
+ item.budget = value2;
+ item.status = status;
+
+ /* additional pre-compute */
+ item.result = item.spent - item.budget;
+ item.rawrate = 0;
+ if(ABS(item.budget) > 0)
+ {
+ item.rawrate = item.spent / item.budget;
+ }
+
+ item.warn = item.result < 0.0 ? TRUE : FALSE;
+
+ item.rate = CLAMP(item.rawrate, 0, 1.0);
+
+ g_array_append_vals(chart->items, &item, 1);
+
+ i++;
+ valid = gtk_tree_model_iter_next (list_store, &iter);
+ }
+
+}
+
+
+static void ui_chart_stack_set_font_size(ChartStack *chart, gint font_size)
+{
+gint size = 10;
+
+ DB( g_print("\n[chartstack] set font size\n") );
+
+ switch(font_size)
+ {
+ case CHART_FONT_SIZE_TITLE:
+ size = chart->pfd_size + 3;
+ break;
+ case CHART_FONT_SIZE_SUBTITLE:
+ size = chart->pfd_size + 1;
+ break;
+ case CHART_FONT_SIZE_NORMAL:
+ size = chart->pfd_size - 1;
+ break;
+ }
+
+ DB( g_print(" size=%d\n", size) );
+
+ pango_font_description_set_size(chart->pfd, size * PANGO_SCALE);
+
+}
+
+
+
+static void ui_chart_stack_calculation(ChartStack *chart)
+{
+GtkWidget *drawarea = chart->drawarea;
+cairo_surface_t *surf;
+cairo_t *cr;
+gint blkw;
+gint i;
+int tw, th;
+gchar *valstr;
+GtkAllocation allocation;
+PangoLayout *layout;
+
+ DB( g_print("\n[chartstack] bar calculation\n") );
+
+ gtk_widget_get_allocation(drawarea, &allocation);
+
+ chart->l = CHART_MARGIN;
+ chart->t = CHART_MARGIN;
+ chart->r = allocation.width - CHART_MARGIN;
+ chart->b = allocation.height - CHART_MARGIN;
+ chart->w = allocation.width - (CHART_MARGIN*2);
+ chart->h = allocation.height - (CHART_MARGIN*2);
+
+ //todo: seems not working well...
+ surf = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, allocation.width, allocation.height);
+ cr = cairo_create (surf);
+
+ /* Create a PangoLayout, set the font and text */
+ layout = pango_cairo_create_layout (cr);
+
+
+ // compute title
+ chart->title_zh = 0;
+ if(chart->title)
+ {
+ //pango_font_description_set_size(chart->pfd, CHART_FONT_SIZE_TITLE * PANGO_SCALE);
+ ui_chart_stack_set_font_size(chart, CHART_FONT_SIZE_TITLE);
+ pango_layout_set_font_description (layout, chart->pfd);
+
+ pango_layout_set_text (layout, chart->title, -1);
+ pango_layout_get_size (layout, &tw, &th);
+ chart->title_zh = (th / PANGO_SCALE) + CHART_SPACING;
+ DB( g_print(" - title: %s w=%d h=%d\n", chart->title, tw, th) );
+ }
+
+ // compute period
+ chart->subtitle_zh = 0;
+ if(chart->subtitle)
+ {
+ //pango_font_description_set_size(chart->pfd, CHART_FONT_SIZE_PERIOD * PANGO_SCALE);
+ ui_chart_stack_set_font_size(chart, CHART_FONT_SIZE_SUBTITLE);
+ pango_layout_set_font_description (layout, chart->pfd);
+
+ pango_layout_set_text (layout, chart->subtitle, -1);
+ pango_layout_get_size (layout, &tw, &th);
+ chart->subtitle_zh = (th / PANGO_SCALE) + CHART_SPACING;
+ DB( g_print(" - period: %s w=%d h=%d\n", chart->subtitle, tw, th) );
+ }
+
+ // compute other text
+ //pango_font_description_set_size(chart->pfd, CHART_FONT_SIZE_NORMAL * PANGO_SCALE);
+ ui_chart_stack_set_font_size(chart, CHART_FONT_SIZE_NORMAL);
+ pango_layout_set_font_description (layout, chart->pfd);
+
+ double title_w = 0;
+ chart->bud_col_w = 0;
+ chart->rel_col_w = 0;
+
+ gdouble maxbudget = 0;
+ gdouble maxresult = 0;
+ gdouble result;
+ for(i=0;i<chart->nb_items;i++)
+ {
+ StackItem *item = &g_array_index(chart->items, StackItem, i);
+
+ // category width
+ pango_layout_set_text (layout, item->label, -1);
+ pango_layout_get_size (layout, &tw, &th);
+ title_w = MAX(title_w, (tw / PANGO_SCALE));
+
+ DB( g_print(" - calc '%s' title_w=%f (w=%d)\n", item->label, title_w, tw) );
+
+ //result = ABS(chart->spent[i]) - ABS(chart->budget[i]);
+ result = ABS(item->spent - item->budget);
+
+ maxbudget = MAX(maxbudget, ABS(item->budget) );
+ maxresult = MAX(maxresult, result);
+
+ DB( g_print(" - maxbudget maxbudget=%f (w=%d)\n", maxbudget, tw) );
+
+ pango_layout_set_text (layout, item->status, -1);
+ pango_layout_get_size (layout, &tw, &th);
+ chart->rel_col_w = MAX(chart->rel_col_w, (tw / PANGO_SCALE));
+ }
+
+ chart->rel_col_w += CHART_SPACING;
+
+ // compute budget/result width
+ valstr = ui_chart_stack_print_int(chart, -maxbudget);
+ pango_layout_set_text (layout, valstr, -1);
+ pango_layout_get_size (layout, &tw, &th);
+ chart->bud_col_w = (tw / PANGO_SCALE);
+ pango_layout_set_text (layout, chart->budget_title, -1);
+ pango_layout_get_size (layout, &tw, &th);
+ chart->bud_col_w = MAX(chart->bud_col_w, (tw / PANGO_SCALE));
+ DB( g_print(" - budget-col: w=%f, %.2f, '%s'\n", chart->bud_col_w, maxbudget, valstr) );
+
+
+ valstr = ui_chart_stack_print_int(chart, -maxresult);
+ pango_layout_set_text (layout, valstr, -1);
+ pango_layout_get_size (layout, &tw, &th);
+ chart->res_col_w = (tw / PANGO_SCALE);
+ pango_layout_set_text (layout, chart->result_title, -1);
+ pango_layout_get_size (layout, &tw, &th);
+ chart->res_col_w = MAX(chart->res_col_w, (tw / PANGO_SCALE));
+ DB( g_print(" - result-col: w=%f, %.2f, '%s'\n", chart->res_col_w, maxresult, valstr) );
+
+
+ // collect other width, add margins
+ chart->header_zh = (th / PANGO_SCALE) + CHART_SPACING;
+ chart->cat_col_w = title_w + CHART_SPACING;
+
+ //chart->title_y = chart->t;
+ chart->subtitle_y = chart->t + chart->title_zh;
+ chart->header_y = chart->subtitle_y + chart->subtitle_zh;
+
+
+ chart->graph_width = chart->w - chart->cat_col_w - chart->bud_col_w - chart->res_col_w - chart->rel_col_w - (double)(CHART_SPACING*4);
+ chart->graph_height = chart->h - chart->title_zh - chart->subtitle_zh -chart->header_zh;
+
+
+ DB( g_print("gfx_w = %.2f - %.2f - %.2f - %.2f - %.2f \n",
+ chart->w , chart->cat_col_w , chart->bud_col_w , chart->res_col_w , (double)(CHART_SPACING*4)) );
+
+ DB( g_print("gfx_w = %.2f\n", chart->graph_width) );
+
+ //if expand : we compute available space
+ //chart->barw = MAX(32, (chart->graph_width)/chart->nb_items);
+ //chart->barw = 32; // usr setted or defaut to BARW
+
+ blkw = chart->barw + floor(chart->barw * 0.2);
+ chart->blkw = blkw;
+
+ chart->visible = (chart->graph_height - chart->t) / blkw;
+ chart->visible = MIN(chart->visible, chart->nb_items);
+
+ g_object_unref (layout);
+
+ cairo_destroy(cr);
+ cairo_surface_destroy(surf);
+
+}
+
+
+#if HELPDRAW == 1
+static void ui_chart_stack_draw_help(GtkWidget *widget, gpointer user_data)
+{
+ChartStack *chart = GTK_CHARTSTACK(user_data);
+cairo_t *cr;
+double x, y, y2;
+gint first = 0;
+gint i;
+
+ //cr = gdk_cairo_create (gtk_widget_get_window(widget));
+ cr = cairo_create (chart->surface);
+
+ cairo_set_line_width (cr, 1);
+
+
+ cairo_set_line_width(cr, 1.0);
+ cairo_set_source_rgb(cr, 0.0, 1.0, 0.0); //green
+ cairo_rectangle(cr, chart->l+0.5, chart->t+0.5, chart->w, chart->h);
+ cairo_stroke(cr);
+
+
+ //title rect
+ cairo_set_source_rgb(cr, .0, .0, 1.0);
+ cairo_rectangle(cr, chart->l+0.5, chart->t+0.5, chart->w, chart->title_zh);
+ cairo_stroke(cr);
+
+ //period rect
+ cairo_set_source_rgb(cr, .0, 0, 1.0);
+ cairo_rectangle(cr, chart->l+0.5, chart->subtitle_y+0.5, chart->w, chart->subtitle_zh);
+ cairo_stroke(cr);
+
+ //header rect
+ cairo_set_source_rgb(cr, .0, 1.0, 1.0);
+ cairo_rectangle(cr, chart->l+0.5, chart->header_y+0.5, chart->w, chart->header_zh);
+ cairo_stroke(cr);
+
+ //category column
+ y = chart->t + chart->title_zh + chart->header_zh + chart->subtitle_zh;
+ cairo_set_source_rgb(cr, 0.0, 0.0, 1.0); //blue
+ cairo_rectangle(cr, chart->l+0.5, y+0.5, chart->cat_col_w, chart->h - y);
+ cairo_stroke(cr);
+
+ //budget column
+ x = chart->l + chart->cat_col_w + chart->graph_width + CHART_SPACING ;
+ cairo_set_source_rgb(cr, 0.0, 0.0, 1.0); //blue
+ cairo_rectangle(cr, x+0.5, y+0.5, chart->bud_col_w, chart->h - y);
+ cairo_stroke(cr);
+
+ //result column
+ x = chart->l + chart->cat_col_w + chart->graph_width + chart->bud_col_w + (CHART_SPACING*3);
+ cairo_set_source_rgb(cr, 0.0, 0.0, 1.0); //blue
+ cairo_rectangle(cr, x+0.5, y+0.5, chart->res_col_w, chart->h - y);
+ cairo_stroke(cr);
+
+
+ // draw item lines
+ y = chart->header_y + chart->header_zh;
+
+ cairo_set_source_rgb(cr, 1.0, .0, .0);
+ cairo_rectangle(cr, chart->l+chart->cat_col_w+0.5, y+0.5, chart->graph_width+0.5, chart->graph_height+0.5);
+ cairo_stroke(cr);
+
+
+
+ y2 = y+0.5;
+ cairo_set_line_width(cr, 1.0);
+ double dashlength;
+ dashlength = 4;
+ cairo_set_dash (cr, &dashlength, 1, 0);
+ cairo_set_source_rgb(cr, 1.0, 0.0, 1.0); // violet
+ for(i=first; i<=(first+chart->visible) ;i++)
+ {
+ cairo_move_to(cr, chart->l, y2);
+ cairo_line_to(cr, chart->r, y2);
+
+ y2 += chart->blkw;
+ }
+ cairo_stroke(cr);
+
+ cairo_destroy(cr);
+
+}
+#endif
+
+
+/*
+** draw all visible bars
+*/
+static void ui_chart_stack_draw_bars(ChartStack *chart, cairo_t *cr)
+{
+double x, y, x2, y2, h;
+gint first;
+gint i, idx;
+gchar *valstr;
+PangoLayout *layout;
+int tw, th;
+
+ DB( g_print("\n[chartstack] bar draw bars\n") );
+
+ layout = pango_cairo_create_layout (cr);
+
+ x = chart->l + chart->cat_col_w;
+ y = chart->t + chart->title_zh + chart->header_zh + chart->subtitle_zh;
+ first = (gint)gtk_adjustment_get_value(GTK_ADJUSTMENT(chart->adjustment));
+
+ // draw title
+ if(chart->title)
+ {
+ //pango_font_description_set_size(chart->pfd, CHART_FONT_SIZE_TITLE * PANGO_SCALE);
+ ui_chart_stack_set_font_size(chart, CHART_FONT_SIZE_TITLE);
+ pango_layout_set_font_description (layout, chart->pfd);
+ pango_layout_set_text (layout, chart->title, -1);
+ pango_layout_get_size (layout, &tw, &th);
+
+ cairo_user_set_rgbcol(cr, &global_colors[THTEXT]);
+ cairo_move_to(cr, chart->l, chart->t);
+ pango_cairo_show_layout (cr, layout);
+ }
+
+ // draw period
+ if(chart->subtitle)
+ {
+ //pango_font_description_set_size(chart->pfd, CHART_FONT_SIZE_PERIOD * PANGO_SCALE);
+ ui_chart_stack_set_font_size(chart, CHART_FONT_SIZE_SUBTITLE);
+ pango_layout_set_font_description (layout, chart->pfd);
+ pango_layout_set_text (layout, chart->subtitle, -1);
+ pango_layout_get_size (layout, &tw, &th);
+
+ cairo_user_set_rgbcol(cr, &global_colors[THTEXT]);
+ cairo_move_to(cr, chart->l, chart->subtitle_y);
+ pango_cairo_show_layout (cr, layout);
+ }
+
+ // draw column title
+ //cairo_user_set_rgbcol(cr, &global_colors[BLACK]);
+ cairo_user_set_rgbacol (cr, &global_colors[THTEXT], 0.78);
+ //pango_font_description_set_size(chart->pfd, CHART_FONT_SIZE_NORMAL * PANGO_SCALE);
+ ui_chart_stack_set_font_size(chart, CHART_FONT_SIZE_NORMAL);
+ pango_layout_set_font_description (layout, chart->pfd);
+
+ pango_layout_set_text (layout, chart->budget_title, -1);
+ pango_layout_get_size (layout, &tw, &th);
+ cairo_move_to(cr, chart->l + chart->cat_col_w + chart->graph_width + chart->bud_col_w + CHART_SPACING - (tw /PANGO_SCALE), chart->header_y);
+ pango_cairo_show_layout (cr, layout);
+
+ pango_layout_set_text (layout, chart->result_title, -1);
+ pango_layout_get_size (layout, &tw, &th);
+ cairo_move_to(cr, chart->l + chart->cat_col_w + chart->graph_width + chart->bud_col_w + chart->res_col_w - (tw /PANGO_SCALE) + (CHART_SPACING*3), chart->header_y);
+ pango_cairo_show_layout (cr, layout);
+
+
+ // draw items
+ //pango_font_description_set_size(chart->pfd, CHART_FONT_SIZE_NORMAL * PANGO_SCALE);
+ ui_chart_stack_set_font_size(chart, CHART_FONT_SIZE_NORMAL);
+ pango_layout_set_font_description (layout, chart->pfd);
+
+ for(i=0; i<chart->visible ;i++)
+ {
+ StackItem *item;
+ gint barw = chart->barw;
+ gint blkw = chart->blkw;
+
+ idx = i + first;
+
+ item = &g_array_index(chart->items, StackItem, idx);
+
+ x2 = x;
+ y2 = y + (CHART_SPACING/2) + (blkw * i);
+
+ DB( g_print("'%-32s' wrn=%d %.2f%% (%.2f%%) :: r=% 4.2f s=% 4.2f b=% 4.2f\n",
+ item->label, item->warn, item->rawrate, item->rate, item->result, item->spent, item->budget) );
+
+ valstr = item->label;
+ pango_layout_set_text (layout, valstr, -1);
+ pango_layout_get_size (layout, &tw, &th);
+
+ double ytext = y2 + ((barw - (th / PANGO_SCALE))/2);
+
+ //cairo_user_set_rgbcol(cr, &global_colors[BLACK]);
+ cairo_user_set_rgbacol (cr, &global_colors[THTEXT], 0.78);
+ cairo_move_to(cr, chart->l + chart->cat_col_w - (tw / PANGO_SCALE) - CHART_SPACING, ytext);
+ pango_cairo_show_layout (cr, layout);
+
+ // bar background
+ cairo_user_set_rgbacol(cr, &global_colors[THTEXT], 0.15);
+ cairo_rectangle(cr, x2, y2, chart->graph_width, barw);
+ cairo_fill(cr);
+
+ //bar with color :: todo migrate this
+ h = floor(item->rate * chart->graph_width);
+ if(item->warn)
+ {
+ cairo_user_set_rgbcol_over(cr, &chart->color_scheme.colors[chart->color_scheme.cs_red], idx == chart->active);
+ }
+ else
+ {
+ if(item->rate > 0.8 && item->rate < 1.0)
+ cairo_user_set_rgbcol_over(cr, &chart->color_scheme.colors[chart->color_scheme.cs_orange], idx == chart->active);
+ else
+ cairo_user_set_rgbcol_over(cr, &chart->color_scheme.colors[chart->color_scheme.cs_green], idx == chart->active);
+ }
+
+
+ cairo_rectangle(cr, x2, y2, h, barw);
+ cairo_fill(cr);
+
+ // spent value
+ if( item->result != 0)
+ {
+ valstr = ui_chart_stack_print_int(chart, item->spent);
+ pango_layout_set_text (layout, valstr, -1);
+ pango_layout_get_size (layout, &tw, &th);
+
+ if( h >= ( (tw / PANGO_SCALE) + (CHART_SPACING*2)) )
+ {
+ // draw inside
+ cairo_user_set_rgbcol(cr, &global_colors[WHITE]);
+ //cairo_user_set_rgbcol (cr, &global_colors[THBASE]);
+ cairo_move_to(cr, x2 + h - (tw / PANGO_SCALE) - CHART_SPACING, ytext);
+ }
+ else
+ {
+ // draw outside
+ //cairo_user_set_rgbcol(cr, &global_colors[TEXT]);
+ cairo_user_set_rgbacol (cr, &global_colors[THTEXT], 0.78);
+ cairo_move_to(cr, x2 + h + CHART_SPACING, ytext);
+ }
+
+ pango_cairo_show_layout (cr, layout);
+ }
+
+ // budget value
+ valstr = ui_chart_stack_print_int(chart, item->budget);
+ pango_layout_set_text (layout, valstr, -1);
+ pango_layout_get_size (layout, &tw, &th);
+ //cairo_user_set_rgbcol(cr, &global_colors[BLACK]);
+ cairo_user_set_rgbacol (cr, &global_colors[THTEXT], 0.78);
+ cairo_move_to(cr, chart->l + chart->cat_col_w + chart->graph_width + chart->bud_col_w + CHART_SPACING - (tw / PANGO_SCALE), ytext);
+ pango_cairo_show_layout (cr, layout);
+
+ // result value
+
+ if( item->result != 0)
+ {
+ valstr = ui_chart_stack_print_int(chart, item->result);
+
+ if(item->warn)
+ //cairo_set_source_rgb(cr, COLTOCAIRO(164), COLTOCAIRO(0), COLTOCAIRO(0));
+ cairo_user_set_rgbcol(cr, &chart->color_scheme.colors[chart->color_scheme.cs_red]);
+ else
+ //cairo_user_set_rgbcol(cr, &global_colors[TEXT]);
+ cairo_user_set_rgbacol (cr, &global_colors[THTEXT], 0.78);
+
+ pango_layout_set_text (layout, valstr, -1);
+ pango_layout_get_size (layout, &tw, &th);
+ cairo_move_to(cr, chart->l + chart->cat_col_w + chart->graph_width + chart->bud_col_w + chart->res_col_w - (tw / PANGO_SCALE) + (CHART_SPACING*3), ytext);
+ pango_cairo_show_layout (cr, layout);
+
+ // status
+ pango_layout_set_text (layout, item->status, -1);
+ pango_layout_get_size (layout, &tw, &th);
+ cairo_move_to(cr, chart->l + chart->cat_col_w + chart->graph_width + chart->bud_col_w + chart->res_col_w + (CHART_SPACING*4), ytext);
+ pango_cairo_show_layout (cr, layout);
+ }
+
+ //y += blkw;
+
+ }
+
+ g_object_unref (layout);
+
+}
+
+
+/*
+** get the bar under the mouse pointer
+*/
+static gint ui_chart_stack_get_active(GtkWidget *widget, gint x, gint y, gpointer user_data)
+{
+ChartStack *chart = GTK_CHARTSTACK(user_data);
+gint retval, first, index, py;
+gint blkw = chart->blkw;
+double oy;
+
+ retval = -1;
+
+ oy = chart->t + chart->title_zh + chart->header_zh + chart->subtitle_zh;
+
+ //DB( g_print(" y=%d, oy=%f, cb=%f\n", y, oy, chart->b) );
+
+
+ if( (y <= chart->b && y >= oy) && (x >= chart->l && x <= chart->r) )
+ {
+ first = gtk_adjustment_get_value(GTK_ADJUSTMENT(chart->adjustment));
+ py = (y - oy);
+ index = first + (py / blkw);
+
+
+ if(index < chart->nb_items)
+ retval = index;
+
+ //DB( g_print(" hover=%d\n", retval) );
+ }
+
+ return(retval);
+}
+
+
+static void ui_chart_stack_first_changed( GtkAdjustment *adj, gpointer user_data)
+{
+ChartStack *chart = GTK_CHARTSTACK(user_data);
+//gint first;
+
+ DB( g_print("\n[chartstack] bar first changed\n") );
+
+ //first = gtk_adjustment_get_value(GTK_ADJUSTMENT(adj));
+
+ //DB( g_print(" first=%d\n", first) );
+
+/*
+ DB( g_print("scrollbar\n adj=%8x, low=%.2f upp=%.2f val=%.2f step=%.2f page=%.2f size=%.2f\n", adj,
+ adj->lower, adj->upper, adj->value, adj->step_increment, adj->page_increment, adj->page_size) );
+ */
+ /* Set the number of decimal places to which adj->value is rounded */
+ //gtk_scale_set_digits (GTK_SCALE (hscale), (gint) adj->value);
+ //gtk_scale_set_digits (GTK_SCALE (vscale), (gint) adj->value);
+ gtk_widget_queue_draw(chart->drawarea);
+
+}
+
+/*
+** scrollbar set values for upper, page size, and also show/hide
+*/
+static void ui_chart_stack_scrollbar_setvalues(ChartStack *chart)
+{
+GtkAdjustment *adj = chart->adjustment;
+gint first;
+
+ g_return_if_fail (GTK_IS_ADJUSTMENT (adj));
+
+ DB( g_print("\n[chartstack] sb_set_values\n") );
+
+ //if(visible < entries)
+ //{
+ first = gtk_adjustment_get_value(GTK_ADJUSTMENT(adj));
+
+ DB( g_print(" entries=%d, visible=%d\n", chart->nb_items, chart->visible) );
+ DB( g_print(" first=%d, upper=%d, pagesize=%d\n", first, chart->nb_items, chart->visible) );
+
+ gtk_adjustment_set_upper(adj, (gdouble)chart->nb_items);
+ gtk_adjustment_set_page_size(adj, (gdouble)chart->visible);
+ gtk_adjustment_set_page_increment(adj, (gdouble)chart->visible);
+
+ if(first+chart->visible > chart->nb_items)
+ {
+ gtk_adjustment_set_value(adj, (gdouble)chart->nb_items - chart->visible);
+ }
+
+ gtk_adjustment_changed (adj);
+
+ //gtk_widget_show(GTK_WIDGET(scrollbar));
+ //}
+ //else
+ //gtk_widget_hide(GTK_WIDGET(scrollbar));
+
+
+}
+
+
+static void ui_chart_stack_recompute(ChartStack *chart)
+{
+
+ DB( g_print("\n[chartstack] recompute\n") );
+
+ ui_chart_stack_calculation(chart);
+ gtk_adjustment_set_value(chart->adjustment, 0);
+ ui_chart_stack_scrollbar_setvalues(chart);
+ gtk_widget_show(chart->scrollbar);
+
+ gtk_widget_queue_draw( chart->drawarea );
+}
+
+
+/* = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = */
+static gboolean drawarea_full_redraw(GtkWidget *widget, gpointer user_data)
+{
+ChartStack *chart = GTK_CHARTSTACK(user_data);
+cairo_t *cr;
+
+ DB( g_print("\n[gtkchart] drawarea full redraw\n") );
+
+ cr = cairo_create (chart->surface);
+
+ /* fillin the back in white */
+ //cairo_user_set_rgbcol(cr, &global_colors[WHITE]);
+ cairo_user_set_rgbcol(cr, &global_colors[THBASE]);
+
+ cairo_paint(cr);
+
+ if(chart->nb_items == 0)
+ {
+ cairo_destroy(cr);
+ return FALSE;
+ }
+
+#if HELPDRAW == 1
+ ui_chart_stack_draw_help(widget, user_data);
+#endif
+
+ ui_chart_stack_draw_bars(chart, cr);
+
+ cairo_destroy(cr);
+
+ return TRUE;
+}
+
+
+static gboolean
+drawarea_configure_event_callback (GtkWidget *widget,
+ GdkEventConfigure *event,
+ gpointer user_data)
+{
+ChartStack *chart = GTK_CHARTSTACK(user_data);
+GtkAllocation allocation;
+GtkStyleContext *context;
+PangoFontDescription *desc;
+gboolean colfound;
+GdkRGBA color;
+
+ DB( g_print("\n[chartstack] drawarea configure \n") );
+
+ DB( g_print("w=%d h=%d\n", allocation.width, allocation.height) );
+
+ gtk_widget_get_allocation (widget, &allocation);
+
+ if (chart->surface)
+ cairo_surface_destroy (chart->surface);
+
+ chart->surface = gdk_window_create_similar_surface (gtk_widget_get_window (widget),
+ CAIRO_CONTENT_COLOR,
+ allocation.width,
+ allocation.height);
+
+ context = gtk_widget_get_style_context (widget);
+
+ chart_color_global_default();
+
+ // get base color
+ colfound = gtk_style_context_lookup_color(context, "theme_base_color", &color);
+ if(!colfound)
+ colfound = gtk_style_context_lookup_color(context, "base_color", &color);
+
+ if( colfound )
+ {
+ struct rgbcol *tcol = &global_colors[THBASE];
+ tcol->r = color.red * 255;
+ tcol->g = color.green * 255;
+ tcol->b = color.blue * 255;
+ DB( g_print(" - theme base col: %x %x %x\n", tcol->r, tcol->g, tcol->b) );
+ }
+
+ //get text color
+ colfound = gtk_style_context_lookup_color(context, "theme_fg_color", &color);
+ if(!colfound)
+ gtk_style_context_lookup_color(context, "fg_color", &color);
+
+ if( colfound )
+ {
+ struct rgbcol *tcol = &global_colors[THTEXT];
+ tcol->r = color.red * 255;
+ tcol->g = color.green * 255;
+ tcol->b = color.blue * 255;
+ DB( g_print(" - theme text (bg) col: %x %x %x\n", tcol->r, tcol->g, tcol->b) );
+ }
+
+ /* get and copy the font */
+ gtk_style_context_get(context, GTK_STATE_FLAG_NORMAL, "font", &desc, NULL);
+ if(chart->pfd)
+ {
+ pango_font_description_free (chart->pfd);
+ chart->pfd = NULL;
+ }
+ chart->pfd = pango_font_description_copy(desc);
+ chart->pfd_size = pango_font_description_get_size (desc) / PANGO_SCALE;
+ chart->barw = (6 + chart->pfd_size) * PHI;
+
+ DB( g_print("family: %s\n", pango_font_description_get_family(chart->pfd) ) );
+ DB( g_print("size : %d (%d)\n", chart->pfd_size, chart->pfd_size/PANGO_SCALE ) );
+ DB( g_print("isabs : %d\n", pango_font_description_get_size_is_absolute (chart->pfd) ) );
+
+ if( gtk_widget_get_realized(widget) )
+ {
+ ui_chart_stack_recompute(chart);
+ drawarea_full_redraw(widget, user_data);
+ }
+
+ /* We've handled the configure event, no need for further processing. */
+ return TRUE;
+}
+
+
+static gboolean drawarea_draw_callback(GtkWidget *widget, cairo_t *cr, gpointer user_data)
+{
+ChartStack *chart = GTK_CHARTSTACK(user_data);
+
+ if( !gtk_widget_get_realized(widget) || chart->surface == NULL )
+ return FALSE;
+
+ //DB( g_print("\n[chartstack] drawarea draw cb\n") );
+
+ cairo_set_source_surface (cr, chart->surface, 0, 0);
+ cairo_paint (cr);
+
+ /* always redraw directly the active block */
+ gint first;
+ double ox, oy;
+
+ first = (gint)gtk_adjustment_get_value(GTK_ADJUSTMENT(chart->adjustment));
+ ox = chart->l + chart->cat_col_w;
+ oy = chart->t + chart->title_zh + chart->header_zh + chart->subtitle_zh;
+
+
+ if(chart->active != -1)
+ {
+ DB( g_print(" draw active\n") );
+
+ oy += CHART_SPACING/2 + (chart->active - first) * chart->blkw;
+ //cairo_user_set_rgbacol (cr, &global_colors[THTEXT], 0.78);
+ cairo_user_set_rgbacol(cr, &global_colors[WHITE], OVER_ALPHA);
+ //cairo_move_to(cr, chart->l, chart->t);
+ cairo_rectangle(cr, ox, oy, chart->graph_width, chart->barw);
+ cairo_fill(cr);
+ }
+
+ return FALSE;
+}
+
+
+static gboolean drawarea_motionnotifyevent_callback(GtkWidget *widget, GdkEventMotion *event, gpointer user_data)
+{
+ChartStack *chart = GTK_CHARTSTACK(user_data);
+gint x, y;
+
+ if(chart->nb_items == 0)
+ return FALSE;
+
+ DB( g_print("\n[chartstack] drawarea motion cb\n") );
+ x = event->x;
+ y = event->y;
+
+ //todo see this
+ if(event->is_hint)
+ {
+ //DB( g_print(" is hint\n") );
+
+ gdk_window_get_device_position(event->window, event->device, &x, &y, NULL);
+ //gdk_window_get_pointer(event->window, &x, &y, NULL);
+ //return FALSE;
+ }
+
+ chart->active = ui_chart_stack_get_active(widget, x, y, chart);
+
+
+ // rollover redraw ?
+ DB( g_print(" %d, %d :: active: last=%d, curr=%d\n", x, y, chart->lastactive, chart->active) );
+
+ if(chart->lastactive != chart->active)
+ {
+ GdkRectangle update_rect;
+ gint first;
+ double oy;
+
+ DB( g_print(" motion rollover redraw :: active=%d\n", chart->active) );
+
+ first = (gint)gtk_adjustment_get_value(GTK_ADJUSTMENT(chart->adjustment));
+ oy = chart->t + chart->title_zh + chart->header_zh + chart->subtitle_zh;
+
+ if(chart->lastactive != -1)
+ {
+ update_rect.x = chart->l;
+ update_rect.y = oy + (chart->lastactive - first) * chart->blkw;
+ update_rect.width = chart->r;
+ update_rect.height = chart->blkw;
+
+ /* Now invalidate the affected region of the drawing area. */
+ gdk_window_invalidate_rect (gtk_widget_get_window (widget),
+ &update_rect,
+ FALSE);
+ }
+
+ update_rect.x = chart->l;
+ update_rect.y = oy + (chart->active - first) * chart->blkw;
+ update_rect.width = chart->r;
+ update_rect.height = chart->blkw;
+
+ /* Now invalidate the affected region of the drawing area. */
+ gdk_window_invalidate_rect (gtk_widget_get_window (widget),
+ &update_rect,
+ FALSE);
+
+ //gtk_widget_queue_draw( widget );
+ //retval = FALSE;
+ }
+
+ chart->lastactive = chart->active;
+
+ return TRUE;
+}
+
+
+
+static gboolean drawarea_scroll_event_callback( GtkWidget *widget, GdkEventScroll *event, gpointer user_data)
+{
+ChartStack *chart = GTK_CHARTSTACK(user_data);
+GtkAdjustment *adj = chart->adjustment;
+gdouble first, upper, pagesize;
+
+ DB( g_print("\n[chartstack] scroll\n") );
+
+ first = gtk_adjustment_get_value(GTK_ADJUSTMENT(adj));
+ //lower = gtk_adjustment_get_lower(GTK_ADJUSTMENT(adj));
+ upper = gtk_adjustment_get_upper(GTK_ADJUSTMENT(adj));
+ pagesize = gtk_adjustment_get_page_size(GTK_ADJUSTMENT(adj));
+
+ DB( g_print("- pos is %.2f, [%.2f - %.2f]\n", first, 0.0, upper) );
+
+ switch(event->direction)
+ {
+ case GDK_SCROLL_UP:
+ gtk_adjustment_set_value(adj, first - 1);
+ break;
+ case GDK_SCROLL_DOWN:
+ gtk_adjustment_set_value(adj, CLAMP(first + 1, 0, upper - pagesize) );
+ break;
+ default:
+ break;
+ }
+
+ drawarea_full_redraw(widget, user_data);
+
+ return TRUE;
+}
+
+
+/* = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = */
+/* public functions */
+/* = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = */
+
+static void ui_chart_stack_queue_redraw(ChartStack *chart)
+{
+
+ if( gtk_widget_get_realized(GTK_WIDGET(chart)) )
+ {
+ ui_chart_stack_recompute(chart);
+ drawarea_full_redraw(chart->drawarea, chart);
+ //gtk_widget_queue_draw( chart->drawarea );
+ }
+}
+
+/*
+** change the model and/or column
+*/
+void ui_chart_stack_set_dualdatas(ChartStack *chart, GtkTreeModel *model, gchar *coltitle1, gchar *coltitle2, gchar *title, gchar *subtitle)
+{
+ g_return_if_fail (GTK_IS_CHARTSTACK (chart));
+
+ if( GTK_IS_TREE_MODEL(model) )
+ {
+ ui_chart_stack_setup_with_model(chart, model, coltitle1, coltitle2 );
+ if(title != NULL)
+ chart->title = g_strdup(title);
+ if(subtitle != NULL)
+ chart->subtitle = g_strdup(subtitle);
+
+ ui_chart_stack_queue_redraw(chart);
+ }
+ else
+ {
+ ui_chart_stack_clear(chart, TRUE);
+ }
+}
+
+/*
+** change the tooltip title
+*/
+void ui_chart_stack_set_title(ChartStack * chart, gchar *title)
+{
+ g_return_if_fail (GTK_IS_CHARTSTACK (chart));
+
+ chart->title = g_strdup(title);
+
+ DB( g_print("\n[chartstack] set title = %s\n", chart->title) );
+
+ ui_chart_stack_recompute(chart);
+
+}
+
+void ui_chart_stack_set_subtitle(ChartStack * chart, gchar *subtitle)
+{
+ g_return_if_fail (GTK_IS_CHARTSTACK (chart));
+
+ chart->subtitle = g_strdup(subtitle);
+
+ DB( g_print("\n[chartstack] set period = %s\n", chart->subtitle) );
+
+ ui_chart_stack_recompute(chart);
+
+}
+
+
+/*
+** change the minor visibility
+*/
+void ui_chart_stack_show_minor(ChartStack * chart, gboolean minor)
+{
+ g_return_if_fail (GTK_IS_CHARTSTACK (chart));
+
+ chart->minor = minor;
+
+ ui_chart_stack_queue_redraw(chart);
+
+}
+
+void ui_chart_stack_set_color_scheme(ChartStack * chart, gint index)
+{
+ colorscheme_init(&chart->color_scheme, index);
+}
+
+
+/*
+** set the minor parameters
+*/
+/*void ui_chart_stack_set_minor_prefs(ChartStack * chart, gdouble rate, gchar *symbol)
+{
+ g_return_if_fail (GTK_IS_CHARTSTACK (chart));
+
+ chart->minor_rate = rate;
+ chart->minor_symbol = symbol;
+}*/
+
+void ui_chart_stack_set_currency(ChartStack * chart, guint32 kcur)
+{
+ g_return_if_fail (GTK_IS_CHARTSTACK (chart));
+
+ chart->kcur = kcur;
+}
+
projects / chaz / homebank / blobdiff