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add some graph work

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This commit is contained in:
Olaf Rempel 2008-04-18 18:14:32 +02:00
parent 0b32f68a39
commit 8180ac3472
7 changed files with 192 additions and 20 deletions
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2
gtdc.c
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@ -19,10 +19,10 @@
#include <stdio.h>
#include <gtk/gtk.h>
#include "gui_graph_tab.h"
#include "gui_variable_tab.h"
gint gui_ctrltab_init(GtkNotebook *notebook);
gint gui_graphtab_init(GtkNotebook *notebook);
int main(int argc, char *argv[])
{

169
gui_graph_tab.c
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@ -16,29 +16,116 @@
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <sys/time.h>
#include <time.h>
#include <math.h>
#include <gtk/gtk.h>
#include <gtkdatabox.h>
#include <gtkdatabox_lines.h>
#include "tdc_variable.h"
#include "gui_graph_tab.h"
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#define HISTORY 1000
static unsigned int used_colors;
static GdkColor colors[] = {
{ .red = 0x0000, .green = 0x0000, .blue = 0xFF00, },
{ .red = 0xFF00, .green = 0x0000, .blue = 0x0000, },
{ .red = 0x0000, .green = 0xDF00, .blue = 0x0000, },
{ .red = 0x0000, .green = 0xFF00, .blue = 0xFF00, },
{ .red = 0xFF00, .green = 0x0000, .blue = 0xFF00, },
{ .red = 0xA500, .green = 0x2A00, .blue = 0x2A00, },
{ .red = 0xFF00, .green = 0xA500, .blue = 0x0000, },
{ .red = 0x8000, .green = 0x8000, .blue = 0x8000, },
};
static GtkWidget *box;
static GtkWidget *legend;
static GList *graphlist;
struct xygraph {
GtkDataboxGraph *graph;
struct tdc_var *var;
gfloat xarr[HISTORY];
gfloat yarr[HISTORY];
GdkColor *color;
struct timeval base;
};
static GdkColor * get_color(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(colors); i++) {
if (used_colors & (1 << i))
continue;
used_colors |= (1 << i);
return colors +i;
}
return NULL;
}
static void free_color(GdkColor *color)
{
int i;
for (i = 0; i < ARRAY_SIZE(colors); i++)
if (color == colors +i)
used_colors &= ~(1 << i);
}
static void update_legend_cb(gpointer data, gpointer user_data)
{
struct xygraph *graph = (struct xygraph *)data;
GString *tmp = (GString *)user_data;
g_string_append_printf(tmp,"<span foreground=\"#%02x%02x%02x\">%s</span>\n",
(graph->color->red >> 8) & 0xFF,
(graph->color->green >> 8) & 0xFF,
(graph->color->blue >> 8) & 0xFF,
graph->var->name);
}
static void update_legend(void)
{
GString *tmp;
tmp = g_string_new("");
g_list_foreach(graphlist, &update_legend_cb, tmp);
tmp->str[tmp->len -1] = 0x00;
gtk_label_set_markup(GTK_LABEL(legend), tmp->str);
g_string_free(tmp, TRUE);
}
gint gui_graphtab_init(GtkNotebook *notebook)
{
GtkWidget *table = gtk_table_new(3, 3, FALSE);
GtkWidget *box = gtk_databox_new();
gtk_table_attach(GTK_TABLE(table), box, 1, 2, 1, 2,
GtkWidget *table = gtk_table_new(5, 4, FALSE);
box = gtk_databox_new();
gtk_table_attach(GTK_TABLE(table), box, 1, 4, 1, 2,
GTK_FILL | GTK_EXPAND | GTK_SHRINK,
GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 0);
GtkWidget *scrollbar = gtk_hscrollbar_new(gtk_databox_get_hadjustment(GTK_DATABOX(box)));
gtk_table_attach(GTK_TABLE(table), scrollbar, 1, 2, 2, 3,
gtk_table_attach(GTK_TABLE(table), scrollbar, 1, 4, 2, 3,
GTK_FILL | GTK_EXPAND | GTK_SHRINK,
GTK_FILL, 0, 0);
scrollbar = gtk_vscrollbar_new(gtk_databox_get_vadjustment(GTK_DATABOX(box)));
gtk_table_attach(GTK_TABLE(table), scrollbar, 2, 3, 1, 2,
gtk_table_attach(GTK_TABLE(table), scrollbar, 4, 5, 1, 2,
GTK_FILL,
GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 0);
GtkWidget *ruler = gtk_hruler_new();
gtk_table_attach(GTK_TABLE(table), ruler, 1, 2, 0, 1,
gtk_table_attach(GTK_TABLE(table), ruler, 1, 4, 0, 1,
GTK_FILL | GTK_EXPAND | GTK_SHRINK,
GTK_FILL, 0, 0);
gtk_databox_set_hruler(GTK_DATABOX(box), GTK_RULER(ruler));
@ -49,12 +136,72 @@ gint gui_graphtab_init(GtkNotebook *notebook)
GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 0);
gtk_databox_set_vruler(GTK_DATABOX(box), GTK_RULER(ruler));
/*
* TODO:
* komplette datenhaltung.. (wie skalieren?)
* legende der graphen
*/
legend = gtk_label_new(NULL);
gtk_table_attach(GTK_TABLE(table), legend, 1, 2, 3, 4, 0, 0, 10, 10);
GtkWidget *button2 = gtk_button_new_with_label("Mode");
gtk_table_attach(GTK_TABLE(table), button2, 2, 3, 3, 4, 0, 0, 10, 10);
GtkWidget *button3 = gtk_button_new_with_label("Stopp");
gtk_table_attach(GTK_TABLE(table), button3, 3, 4, 3, 4, 0, 0, 10, 10);
struct tdc_var *var = tdcvar_create(1, 0, "test", 4);
gui_graphtab_add_var(var);
gui_graphtab_add_var(var);
gui_graphtab_add_var(var);
gui_graphtab_add_var(var);
gui_graphtab_add_var(var);
gui_graphtab_add_var(var);
gui_graphtab_add_var(var);
gui_graphtab_add_var(var);
GtkWidget *label = gtk_label_new(" Graph ");
return gtk_notebook_append_page(GTK_NOTEBOOK(notebook), table, label);
}
int gui_graphtab_add_var(struct tdc_var *var)
{
GdkColor *color = get_color();
if (color == NULL)
return -1;
struct xygraph *graph = g_malloc0(sizeof(struct xygraph));
graph->graph = gtk_databox_lines_new(HISTORY, graph->xarr, graph->yarr, color, 1);
graph->var = var;
graph->color = color;
var->privdata_graphtab = graph;
int i;
for (i = 0; i < HISTORY; i++) {
graph->xarr[i] = i - HISTORY;
graph->yarr[i] = sin(((int)graph % 127) + i * 4 * M_PI / 1024);
}
graphlist = g_list_append(graphlist, graph);
gtk_databox_graph_add(GTK_DATABOX(box), graph->graph);
gtk_databox_auto_rescale(GTK_DATABOX(box), 0.05);
update_legend();
return 0;
}
void gui_graphtab_remove_var(struct tdc_var *var)
{
struct xygraph *graph = (struct xygraph *)var->privdata_graphtab;
gtk_databox_graph_remove(GTK_DATABOX(box), graph->graph);
g_free(graph->graph);
free_color(graph->color);
graphlist = g_list_remove(graphlist, graph);
graph->var->privdata_graphtab = NULL;
g_free(graph);
}
void gui_graphtab_update_var(struct tdc_var *var)
{
struct xygraph *graph = (struct xygraph *)var->privdata_graphtab;
// do some updates, i think
}

13
gui_graph_tab.h Normal file
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@ -0,0 +1,13 @@
#ifndef GRAPH_TAB_H_
#define GRAPH_TAB_H_
#include <gtk/gtk.h>
#include "tdc_variable.h"
gint gui_graphtab_init(GtkNotebook *notebook);
int gui_graphtab_add_var(struct tdc_var *var);
void gui_graphtab_update_var(struct tdc_var *var);
void gui_graphtab_remove_var(struct tdc_var *var);
#endif /* GRAPH_TAB_H_ */

14
gui_variable_tab.c
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@ -246,23 +246,27 @@ void gui_vartab_add_var(struct tdc_var *var)
COL_NAME, var->name,
-1);
var->privdata = gtk_tree_iter_copy(&it);
var->privdata_vartab = gtk_tree_iter_copy(&it);
}
void gui_vartab_update_var(struct tdc_var *var)
int gui_vartab_update_var(struct tdc_var *var)
{
// TODO: update even in graph mode every xxx ms
if (var == current_edited_var || (var->flags & TDC_GUI_GRAPH))
return;
return 0;
/* do a dummy write to update cells */
GtkTreeIter *it = (GtkTreeIter *)var->privdata;
GtkTreeIter *it = (GtkTreeIter *)var->privdata_vartab;
gtk_list_store_set(list_store, it, -1);
return 0;
}
void gui_vartab_remove_var(struct tdc_var *var)
{
GtkTreeIter *it = (GtkTreeIter *)var->privdata;
GtkTreeIter *it = (GtkTreeIter *)var->privdata_vartab;
gtk_list_store_remove(list_store, it);
gtk_tree_iter_free(it);
var->privdata_vartab = NULL;
}

2
gui_variable_tab.h
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@ -6,7 +6,7 @@
gint gui_vartab_init(GtkNotebook *notebook);
void gui_vartab_add_var(struct tdc_var *var);
int gui_vartab_add_var(struct tdc_var *var);
void gui_vartab_update_var(struct tdc_var *var);
void gui_vartab_remove_var(struct tdc_var *var);

9
tdc_store.c
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@ -26,6 +26,7 @@
#include "tdc_store.h"
#include "tdc_variable.h"
#include "gui_graph_tab.h"
#include "gui_variable_tab.h"
struct tdc_board {
@ -117,7 +118,13 @@ int tdcstore_update_var(int address, int id, uint8_t *data, int len)
return -1;
tdcvar_update(var, data, len);
gui_vartab_update_var(var);
if (var->privdata_vartab)
gui_vartab_update_var(var);
if (var->privdata_graphtab)
gui_graphtab_update_var(var);
return 0;
}

3
tdc_variable.h
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@ -16,7 +16,8 @@ struct tdc_var {
double data_double;
};
void *privdata;
void *privdata_vartab; /* GtkTreeIter */
void *privdata_graphtab; /* struct xygraph */
char name[0];
};