Commit 944dad4c authored by Cedric Roux's avatar Cedric Roux
Browse files

GUI timeline widget

parent 52fae6a8
......@@ -2,7 +2,8 @@ CC=gcc
CFLAGS=-Wall -g -pthread
OBJS=init.o loop.o toplevel_window.o x.o container.o widget.o \
gui.o label.o event.o xy_plot.o textlist.o notify.o positioner.o
gui.o label.o event.o xy_plot.o textlist.o notify.o positioner.o \
timeline.o
gui.a: $(OBJS)
ar cr gui.a $(OBJS)
......
......@@ -26,6 +26,8 @@ widget *new_label(gui *gui, const char *text);
widget *new_xy_plot(gui *gui, int width, int height, char *label,
int vruler_width);
widget *new_textlist(gui *gui, int width, int nlines, int background_color);
widget *new_timeline(gui *gui, int width, int number_of_sublines,
int subline_height);
void label_set_clickable(gui *gui, widget *label, int clickable);
......@@ -52,6 +54,12 @@ void textlist_get_line(gui *gui, widget *this, int line,
char **text, int *color);
void textlist_set_color(gui *gui, widget *this, int line, int color);
void timeline_clear(gui *gui, widget *this);
void timeline_add_points(gui *gui, widget *this, int subline, int color,
int *x, int len);
void timeline_set_subline_background_color(gui *gui, widget *this,
int subline, int color);
void gui_loop(gui *gui);
void glock(gui *gui);
......@@ -67,6 +75,8 @@ int new_color(gui *gui, char *color);
* - click { int [2]: line, button }
* - label:
* - click { int: button } (if enabled)
* - timeline
* - resize { int: width }
*/
/* same type as in gui_defs.h */
......
......@@ -30,7 +30,8 @@ extern int volatile gui_logd;
/*************************************************************************/
enum widget_type {
TOPLEVEL_WINDOW, CONTAINER, POSITIONER, TEXT_LIST, XY_PLOT, BUTTON, LABEL
TOPLEVEL_WINDOW, CONTAINER, POSITIONER, TEXT_LIST, XY_PLOT, BUTTON, LABEL,
TIMELINE
};
struct widget_list;
......@@ -117,6 +118,22 @@ struct xy_plot_widget {
int nplots;
};
struct timeline_subline {
int *color; /* length = width of timeline widget
* value = -1 if no color
*/
int width;
int background; /* background color of the subline */
};
struct timeline_widget {
struct widget common;
int n; /* number of sublines */
struct timeline_subline *s;
int subline_height;
int wanted_width;
};
struct button_widget {
struct widget common;
};
......
#include "gui.h"
#include "gui_defs.h"
#include "x.h"
#include <stdio.h>
#include <stdlib.h>
static void paint(gui *_gui, widget *_this)
{
struct gui *g = _gui;
struct timeline_widget *this = _this;
int i;
int j;
for (i = 0; i < this->n; i++) {
x_fill_rectangle(g->x, g->xwin, this->s[i].background,
this->common.x, this->common.y + i * this->subline_height,
this->common.width, this->subline_height);
for (j = 0; j < this->s[i].width; j++)
if (this->s[i].color[j] != -1)
x_draw_line(g->x, g->xwin, this->s[i].color[j],
this->common.x + j, this->common.y + i * this->subline_height,
this->common.x + j, this->common.y + this->subline_height -1
+ i * this->subline_height);
}
LOGD("PAINT timeline xywh %d %d %d %d\n", this->common.x, this->common.y, this->common.width, this->common.height);
}
static void hints(gui *_gui, widget *_w, int *width, int *height)
{
struct timeline_widget *w = _w;
*width = w->wanted_width;
*height = w->n * w->subline_height;
LOGD("HINTS timeline wh %d %d\n", *width, *height);
}
static void allocate(gui *_gui, widget *_this,
int x, int y, int width, int height)
{
struct timeline_widget *this = _this;
int i;
int j;
this->common.x = x;
this->common.y = y;
this->common.width = width;
this->common.height = height;
LOGD("ALLOCATE timeline %p xywh %d %d %d %d\n", this, x, y, width, height);
for (i = 0; i < this->n; i++) {
this->s[i].width = width;
this->s[i].color = realloc(this->s[i].color, width * sizeof(int));
if (this->s[i].color == NULL) abort();
for (j = 0; j < width; j++) this->s[i].color[j] = -1;
}
gui_notify(_gui, "resize", _this, &width);
}
/*************************************************************************/
/* creation function */
/*************************************************************************/
widget *new_timeline(gui *_gui, int width, int number_of_sublines,
int subline_height)
{
struct gui *g = _gui;
struct timeline_widget *w;
int i;
int j;
glock(g);
w = new_widget(g, TIMELINE, sizeof(struct timeline_widget));
w->wanted_width = width;
w->n = number_of_sublines;
w->s = calloc(w->n, sizeof(struct timeline_subline)); if (w->s == NULL) OOM;
w->subline_height = subline_height;
/* initialize colors */
for (i = 0; i < w->n; i++) {
w->s[i].width = width;
w->s[i].color = calloc(width, sizeof(int));
if (w->s[i].color == NULL) abort();
for (j = 0; j < width; j++) w->s[i].color[j] = -1;
w->s[i].background = BACKGROUND_COLOR;
}
w->common.paint = paint;
w->common.hints = hints;
w->common.allocate = allocate;
gunlock(g);
return w;
}
/*************************************************************************/
/* public functions */
/*************************************************************************/
void timeline_clear(gui *_gui, widget *_this)
{
struct gui *g = _gui;
struct timeline_widget *this = _this;
int i;
int j;
glock(g);
for (i = 0; i < this->n; i++)
for (j = 0; j < this->s[i].width; j++)
this->s[i].color[j] = -1;
send_event(g, DIRTY, this->common.id);
gunlock(g);
}
void timeline_add_points(gui *_gui, widget *_this, int subline, int color,
int *x, int len)
{
struct gui *g = _gui;
struct timeline_widget *this = _this;
int i;
glock(g);
for (i = 0; i < len; i++) {
if (x[i] >= this->s[subline].width) { WARN("out of bounds\n"); continue; }
this->s[subline].color[x[i]] = color;
}
send_event(g, DIRTY, this->common.id);
gunlock(g);
}
void timeline_set_subline_background_color(gui *_gui, widget *_this,
int subline, int color)
{
struct gui *g = _gui;
struct timeline_widget *this = _this;
glock(g);
this->s[subline].background = color;
send_event(g, DIRTY, this->common.id);
gunlock(g);
}
......@@ -265,7 +265,7 @@ void widget_dirty(gui *_gui, widget *_this)
static const char *names[] = {
"TOPLEVEL_WINDOW", "CONTAINER", "POSITIONER", "TEXT_LIST",
"XY_PLOT", "BUTTON", "LABEL"
"XY_PLOT", "BUTTON", "LABEL", "TIMELINE"
};
const char *widget_name(enum widget_type type)
{
......@@ -278,6 +278,7 @@ const char *widget_name(enum widget_type type)
case XY_PLOT:
case BUTTON:
case LABEL:
case TIMELINE:
return names[type];
}
return "UNKNOWN (error)";
......
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