Dogcows Code - chaz/homebank/blob - src/gtk-chart-stack.h

   1 /*  HomeBank -- Free, easy, personal accounting for everyone.
   2  *  Copyright (C) 1995-2018 Maxime DOYEN
   3  *
   4  *  This file is part of HomeBank.
   5  *
   6  *  HomeBank 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  *  HomeBank 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 this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef __CHARTSTACK_H__
  21 #define __CHARTSTACK_H__
  22
  23 #include "gtk-chart-colors.h"
  24
  25 #ifdef __cplusplus
  26 extern "C" {
  27 #endif /* __cplusplus */
  28
  29
  30 /* Macro for casting a pointer to a GtkWidget or GtkWidgetClass pointer.
  31  * Macros for testing whether `widget' or `klass' are of type GTK_TYPE_WIDGET.
  32  */
  33 #define GTK_TYPE_CHARTSTACK            (ui_chart_stack_get_type ())
  34 #define GTK_CHARTSTACK(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CHARTSTACK, ChartStack))
  35 #define GTK_CHARTSTACK_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_CHARTSTACK, ChartStackClass)
  36 #define GTK_IS_CHARTSTACK(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CHARTSTACK))
  37 #define GTK_IS_CHARTSTACK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CHARTSTACK))
  38 #define GTK_CHARTSTACK_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CHARTSTACK, ChartStackClass))
  39
  40 typedef struct _ChartStack              ChartStack;
  41 typedef struct _ChartStackClass ChartStackClass;
  42
  43 typedef struct _StackItem           StackItem;
  44
  45 typedef gchar (* ChartStackPrintIntFunc)    (gint value, gboolean minor);
  46 typedef gchar (* ChartStackPrintDoubleFunc) (gdouble value, gboolean minor);
  47
  48 /* = = = = = = = = = = */
  49 /* = = = = = = = = = = = = = = = = = = = = */
  50 /* = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = */
  51 /* = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = */
  52
  53 #define GTK_CHARTSTACK_BARW             32
  54 #define CHART_BUFFER_LENGTH 128
  55
  56
  57 #define DEFAULT_DELAY 500           /* Default delay in ms */
  58
  59
  60 #define CHART_MARGIN    18 //standard a4 margin
  61 #define CHART_SPACING   6
  62
  63
  64
  65 struct _StackItem
  66 {
  67         /* data part */
  68         gchar    *label;
  69         gdouble  spent;
  70         gdouble  budget;
  71         gdouble  result;
  72         gchar    *status;
  73
  74         /* draw stuffs */
  75         gdouble  rate;
  76         gboolean warn;
  77
  78         /* tmp datas */
  79         gdouble  rawrate;
  80
  81 };
  82
  83
  84
  85 /* you should access only the entry and list fields directly */
  86 struct _ChartStack
  87 {
  88         /*< private >*/
  89         GtkBox                  hbox;
  90
  91         GtkWidget               *drawarea;
  92         GtkAdjustment   *adjustment;
  93         GtkWidget               *scrollbar;
  94
  95         /* data storage */
  96         gint            nb_items;
  97         GArray          *items;
  98
  99         /*gchar         **titles;
 100         gdouble         *spent;
 101         gdouble         *budget;*/
 102
 103         gchar           *title;
 104         gchar           *subtitle;
 105
 106         gchar       *budget_title;
 107         gchar       *result_title;
 108
 109         gboolean        minor;
 110         guint32         kcur;
 111         gdouble         minor_rate;
 112         gchar           *minor_symbol;
 113
 114
 115
 116         /* color datas */
 117         GtkColorScheme color_scheme;
 118
 119         /* cairo default value */
 120         PangoFontDescription *pfd;
 121         gint                            pfd_size;
 122
 123         /* buffer surface */
 124         cairo_surface_t  *surface;
 125
 126
 127         double barw, blkw;
 128
 129         /* draw area coordinates */
 130         double  l, t, b, r, w, h;
 131
 132         /* zones height */
 133         double  title_zh;
 134         double  subtitle_zh, subtitle_y;
 135         double  header_zh, header_y;
 136         double  item_zh;
 137
 138         /* column width */
 139         double  cat_col_w;
 140         double  bud_col_w;
 141         double  res_col_w;
 142         double  rel_col_w;
 143
 144
 145         double  graph_width, graph_height;      //graph dimension
 146         gint    visible;
 147
 148         gint    active, lastactive;
 149
 150         gchar   buffer[CHART_BUFFER_LENGTH];
 151
 152 };
 153
 154
 155 struct _ChartStackClass {
 156         GtkBoxClass parent_class;
 157
 158   /* Padding for future expansion */
 159   void (*_gtk_reserved1) (void);
 160   void (*_gtk_reserved2) (void);
 161   void (*_gtk_reserved3) (void);
 162   void (*_gtk_reserved4) (void);
 163 };
 164
 165
 166 GType      ui_chart_stack_get_type (void);
 167
 168
 169 /* public function */
 170 GtkWidget *ui_chart_stack_new(void);
 171
 172 void ui_chart_stack_set_color_scheme(ChartStack * chart, gint colorscheme);
 173 void ui_chart_stack_set_dualdatas(ChartStack *chart, GtkTreeModel *model, gchar *coltitle1, gchar *coltitle2, gchar *title, gchar *subtitle);
 174 void ui_chart_stack_set_title(ChartStack * chart, gchar *title);
 175 void ui_chart_stack_set_subtitle(ChartStack * chart, gchar *subtitle);
 176 void ui_chart_stack_set_barw(ChartStack * chart, gdouble barw);
 177 void ui_chart_stack_show_minor(ChartStack * chart, gboolean minor);
 178
 179 void ui_chart_stack_set_minor_prefs(ChartStack * chart, gdouble rate, gchar *symbol);
 180 void ui_chart_stack_set_currency(ChartStack * chart, guint32 kcur);
 181
 182 #ifdef __cplusplus
 183 }
 184 #endif /* __cplusplus */
 185
 186 #endif /* __CHARTSTACK_H__ */