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netsurf/riscos/debugwin.c

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/*
* Copyright 2006 James Bursa <bursa@users.sourceforge.net>
* Copyright 2010 Michael Drake <tlsa@netsurf-browser.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf 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; version 2 of the License.
*
* NetSurf 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/>.
*/
/** \file
* Debug display window (implementation).
*/
#include <stdio.h>
#include <stdlib.h>
#include "oslib/wimp.h"
#include "content/content.h"
#include "desktop/plotters.h"
#include "desktop/knockout.h"
#include "render/font.h"
#include "riscos/dialog.h"
#include "riscos/wimp_event.h"
#include "utils/log.h"
#include "utils/talloc.h"
#include "utils/utils.h"
/* Define to enable debug window */
#undef ENABLE_DEBUGWIN
/** Update interval / cs. */
#define DEBUGWIN_UPDATE 500
#ifdef ENABLE_DEBUGWIN
static void ro_gui_debugwin_resize(void);
static void ro_gui_debugwin_update(void *p);
static void ro_gui_debugwin_close(wimp_w w);
static void ro_gui_debugwin_redraw(wimp_draw *redraw);
/* Non RISC OS specific stuff */
#define DEBUGWIN_TEXT_HEIGHT 16
#define DEBUGWIN_CELL_PADDING 3
#define DEBUGWIN_WINDOW_WIDTH 880
enum align {
DEBUGWIN_LEFT,
DEBUGWIN_CENTRE,
DEBUGWIN_RIGHT
};
static plot_font_style_t fstyle;
static plot_style_t style;
static void debugwin_redraw(const struct rect *clip);
static void debugwin_get_size(int *width, int *height);
static bool debugwin_render_cell(int x, int y, int width, int height,
const char *text, enum align align, const struct rect *clip);
#endif
void ro_gui_debugwin_open(void)
{
#ifdef ENABLE_DEBUGWIN
ro_gui_wimp_event_register_close_window(dialog_debug,
ro_gui_debugwin_close);
ro_gui_wimp_event_register_redraw_window(dialog_debug,
ro_gui_debugwin_redraw);
ro_gui_debugwin_resize();
ro_gui_dialog_open(dialog_debug);
schedule_remove(ro_gui_debugwin_update, 0);
schedule(DEBUGWIN_UPDATE, ro_gui_debugwin_update, 0);
#endif
}
#ifdef ENABLE_DEBUGWIN
void ro_gui_debugwin_resize(void)
{
int width, height;
os_box box;
os_error *error;
/* Ask the core for the debug window size */
debugwin_get_size(&width, &height);
box.x0 = 0;
box.y0 = height * -2;
box.x1 = width * 2;
box.y1 = 0;
error = xwimp_set_extent(dialog_debug, &box);
if (error) {
LOG(("xwimp_set_extent: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
}
void ro_gui_debugwin_update(void *p)
{
os_error *error;
ro_gui_debugwin_resize();
error = xwimp_force_redraw(dialog_debug, 0, -10000, 10000, 0);
if (error) {
LOG(("xwimp_force_redraw: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
schedule(DEBUGWIN_UPDATE, ro_gui_debugwin_update, 0);
}
void ro_gui_debugwin_close(wimp_w w)
{
os_error *error;
error = xwimp_close_window(dialog_debug);
if (error) {
LOG(("xwimp_close_window: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
schedule_remove(ro_gui_debugwin_update, 0);
ro_gui_wimp_event_finalise(dialog_debug);
}
void ro_gui_debugwin_redraw(wimp_draw *redraw)
{
osbool more;
os_error *error;
/* Select RISC OS plotters */
plot = ro_plotters;
error = xwimp_redraw_window(redraw, &more);
if (error) {
LOG(("xwimp_redraw_window: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
while (more) {
struct rect clip;
/* Sep plot origin */
ro_plot_origin_x = redraw->box.x0 - redraw->xscroll;
ro_plot_origin_y = redraw->box.y1 - redraw->yscroll;
/* Set clip rectangle */
clip.x0 = (redraw->clip.x0 - ro_plot_origin_x) / 2; /* left */
clip.y0 = (ro_plot_origin_y - redraw->clip.y1) / 2; /* top */
clip.x1 = (redraw->clip.x1 - ro_plot_origin_x) / 2; /* right */
clip.y1 = (ro_plot_origin_y - redraw->clip.y0) / 2; /* bottom */
plot.clip(&clip);
/* Render the content debug table */
debugwin_redraw(&clip);
error = xwimp_get_rectangle(redraw, &more);
if (error) {
LOG(("xwimp_get_rectangle: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
}
}
void debugwin_redraw(const struct rect *clip)
{
char s[40];
int y, x, w;
unsigned int users;
unsigned int talloc_size;
unsigned int size = 0;
struct content *content;
struct content_user *user;
// bool want_knockout;
/* Set up font style for headings */
fstyle.family = PLOT_FONT_FAMILY_SANS_SERIF;
fstyle.size = 12 * FONT_SIZE_SCALE;
fstyle.weight = 900;
fstyle.flags = 0;
fstyle.background = 0xff4400;
fstyle.foreground = 0xffffff;
/* Set up plot style for heading cell backgrounds */
style.stroke_type = PLOT_OP_TYPE_NONE;
style.stroke_width = 0;
style.stroke_colour = 0x000000;
style.fill_type = PLOT_OP_TYPE_SOLID;
style.fill_colour = 0xff4400;
/* Column widths */
int w_type = 50;
int w_fresh = 40;
int w_mime_type = 80;
int w_users = 40;
int w_status = 60;
int w_size = 200;
int w_url = DEBUGWIN_WINDOW_WIDTH - w_size - 1 - w_status - 1 -
w_users - 1 - w_mime_type - 1 - w_fresh - 1 -
w_type - 1;
// want_knockout = plot.option_knockout;
// if (want_knockout)
// knockout_plot_start(&plot);
/* Render column heading cells */
y = 0;
x = 0;
w = w_url;
debugwin_render_cell(x, y, w, DEBUGWIN_TEXT_HEIGHT,
"url", DEBUGWIN_CENTRE, clip);
x += w + 1;
w = w_type;
debugwin_render_cell(x, y, w, DEBUGWIN_TEXT_HEIGHT,
"type", DEBUGWIN_CENTRE, clip);
x += w + 1;
w = w_fresh;
debugwin_render_cell(x, y, w, DEBUGWIN_TEXT_HEIGHT,
"fresh", DEBUGWIN_CENTRE, clip);
x += w + 1;
w = w_mime_type;
debugwin_render_cell(x, y, w, DEBUGWIN_TEXT_HEIGHT,
"mime-type", DEBUGWIN_CENTRE, clip);
x += w + 1;
w = w_users;
debugwin_render_cell(x, y, w, DEBUGWIN_TEXT_HEIGHT,
"users", DEBUGWIN_CENTRE, clip);
x += w + 1;
w = w_status;
debugwin_render_cell(x, y, w, DEBUGWIN_TEXT_HEIGHT,
"status", DEBUGWIN_CENTRE, clip);
x += w + 1;
w = w_size;
debugwin_render_cell(x, y, w, DEBUGWIN_TEXT_HEIGHT,
"size", DEBUGWIN_CENTRE, clip);
/* Move down to next row */
y += DEBUGWIN_TEXT_HEIGHT + 2 * DEBUGWIN_CELL_PADDING + 1;
/* Change style for non-heading cells */
fstyle.weight = 400;
fstyle.background = 0xffaa88;
fstyle.foreground = 0x000000;
style.fill_colour = 0xffaa88;
/* Create a row in the table for each content */
for (content = content_list; content; content = content->next) {
/* Create URL cell */
x = 0;
w = w_url;
debugwin_render_cell(x, y, w, DEBUGWIN_TEXT_HEIGHT,
content->url, DEBUGWIN_RIGHT, clip);
/* Create Type cell */
x += w + 1;
w = w_type;
debugwin_render_cell(x, y, w, DEBUGWIN_TEXT_HEIGHT,
content_type_name[content->type], DEBUGWIN_LEFT,
clip);
/* Create cell for showing wheher content is fresh */
x += w + 1;
w = w_fresh;
debugwin_render_cell(x, y, w, DEBUGWIN_TEXT_HEIGHT,
content->fresh ? "yes" : "no", DEBUGWIN_LEFT,
clip);
/* Create Mime-type cell */
x += w + 1;
w = w_mime_type;
debugwin_render_cell(x, y, w, DEBUGWIN_TEXT_HEIGHT,
content->mime_type, DEBUGWIN_LEFT,
clip_x0, clip_y0, clip_x1, clip_y1);
/* Create Users cell */
users = 0;
/* Count content users */
for (user = content->user_list->next; user; user = user->next)
users++;
snprintf(s, sizeof s, "%u", users);
x += w + 1;
w = w_users;
debugwin_render_cell(x, y, w, DEBUGWIN_TEXT_HEIGHT,
s, DEBUGWIN_RIGHT, clip);
/* Create Status cell */
x += w + 1;
w = w_status;
debugwin_render_cell(x, y, w, DEBUGWIN_TEXT_HEIGHT,
content_status_name[content->status],
DEBUGWIN_LEFT, clip);
/* Create Size cell */
talloc_size = talloc_total_size(content);
snprintf(s, sizeof s, "%u+%u= %u", content->size, talloc_size,
content->size + talloc_size);
x += w + 1;
w = w_size;
debugwin_render_cell(x, y, w, DEBUGWIN_TEXT_HEIGHT,
s, DEBUGWIN_RIGHT, clip);
/* Keep running total of size used */
size += content->size + talloc_size;
/* Move down for next row */
y += DEBUGWIN_TEXT_HEIGHT + 2 * DEBUGWIN_CELL_PADDING + 1;
}
snprintf(s, sizeof s, "%u", size);
/* Show total size */
debugwin_render_cell(DEBUGWIN_WINDOW_WIDTH - w_size, y,
w_size, DEBUGWIN_TEXT_HEIGHT, s, DEBUGWIN_RIGHT,
clip);
/* Heading cell for total size */
fstyle.weight = 900;
fstyle.background = 0xff4400;
fstyle.foreground = 0xffffff;
style.fill_colour = 0xff4400;
debugwin_render_cell(0, y,
DEBUGWIN_WINDOW_WIDTH - w_size - 1,
DEBUGWIN_TEXT_HEIGHT, "total size:", DEBUGWIN_RIGHT,
clip);
// if (want_knockout)
// knockout_plot_end();
}
void debugwin_get_size(int *width, int *height)
{
int count = 2; /* Heading row + total size row */
struct content *content;
/* Count data rows */
for (content = content_list; content; content = content->next)
count++;
/* Pass back width */
*width = DEBUGWIN_WINDOW_WIDTH;
/* Pass total height */
*height = (1 + DEBUGWIN_TEXT_HEIGHT + 2 * DEBUGWIN_CELL_PADDING);
*height *= count;
*height -= 1;
}
bool debugwin_render_cell(int x, int y, int width, int height,
const char *text, enum align align, const struct rect *clip)
{
int text_width;
size_t length;
struct rect r;
height += 2 * DEBUGWIN_CELL_PADDING;
/* Return if the rectangle is completely outside the clip rectangle */
if (clip->y1 < y || y + height < clip->y0 ||
clip->x1 < x || x + width < clip->x0)
return true;
/* Clip to intersection of clip rectangle and cell */
r.x0 = (x < clip->x0) ? clip->x0 : x;
r.y0 = (y < clip->y0) ? clip->y0 : y;
r.x1 = (clip->x1 < x + width) ? clip->x1 : x + width;
r.y1 = (clip->y1 < y + height) ? clip->y1 : y + height);
if (!plot.clip(&r))
return false;
/* Plot cell background */
if (!plot.rectangle(x, y, x + width, y + height, &style))
return false;
/* If there's no text, we're finished */
if (text == NULL)
return true;
/* Plot x-coordinate depends on requested alignment */
length = strlen(text);
switch (align) {
case DEBUGWIN_RIGHT:
/* Text is right aligned, need to know text width */
if (!nsfont.font_width(&fstyle, text, length, &text_width))
return false;
x = x - text_width + width - DEBUGWIN_CELL_PADDING;
break;
case DEBUGWIN_LEFT:
/* Text is left aligned */
x += DEBUGWIN_CELL_PADDING;
break;
case DEBUGWIN_CENTRE:
/* Text is right aligned, need to know text width */
if (!nsfont.font_width(&fstyle, text, length, &text_width))
return false;
x = x + (width - text_width) / 2;
break;
default:
break;
}
/* Plot the text */
if (!plot.text(x, y + height * 0.75, text, length, &fstyle))
return false;
/* Restore previous clip rectangle */
if (!plot.clip(clip))
return false;
return true;
}
#endif
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