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[project @ 2005-03-14 13:58:43 by rjw]

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Minimise flicker when viewing non-HTML files.

svn path=/import/netsurf/; revision=1535
This commit is contained in:
Richard Wilson 2005-03-14 13:58:43 +00:00
parent 950d8e27a0
commit 501da1c487
4 changed files with 128 additions and 54 deletions
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23
riscos/dialog.c
View File

@ -469,35 +469,16 @@ void ro_gui_dialog_click(wimp_pointer *pointer)
void ro_gui_dialog_redraw(wimp_draw *redraw)
{
os_error *error;
osbool more;
struct toolbar_display *display;
for (display = toolbars; display; display = display->next) {
for (display = toolbars; display; display = display->next)
if ((display->toolbar) && (display->toolbar->toolbar_handle ==
redraw->w)) {
ro_gui_theme_redraw(display->toolbar, redraw);
return;
}
}
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) {
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;
}
}
ro_gui_user_redraw(redraw, false, (os_gcol)0);
}

43
riscos/wimp.c
View File

@ -14,6 +14,7 @@
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "oslib/colourtrans.h"
#include "oslib/os.h"
#include "oslib/osfile.h"
#include "oslib/wimp.h"
@ -626,3 +627,45 @@ void ro_gui_open_pane(wimp_w parent, wimp_w pane, int offset)
return;
}
}
/**
* Performs simple user redraw for a window.
*
* \param user_fill whether to fill the redraw area
* \param user_colour the colour to use when filling
*/
void ro_gui_user_redraw(wimp_draw *redraw, bool user_fill, os_colour user_colour)
{
os_error *error;
osbool more;
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) {
if (user_fill) {
error = xcolourtrans_set_gcol(user_colour,
colourtrans_SET_BG,
os_ACTION_OVERWRITE, 0, 0);
if (error) {
LOG(("xcolourtrans_set_gcol: 0x%x: %s",
error->errnum, error->errmess));
warn_user("MiscError", error->errmess);
}
os_clg();
}
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;
}
}
}

2
riscos/wimp.h
View File

@ -55,5 +55,5 @@ void ro_gui_open_pane(wimp_w parent, wimp_w pane, int offset);
wimp_w ro_gui_set_window_background_colour(wimp_w window, wimp_colour background);
void ro_gui_set_icon_colours(wimp_w window, wimp_i icon,
wimp_colour foreground, wimp_colour background);
void ro_gui_user_redraw(wimp_draw *redraw, bool user_fill, os_colour user_colour);
#endif

114
riscos/window.c
View File

@ -438,31 +438,62 @@ void ro_gui_window_redraw(struct gui_window *g, wimp_draw *redraw)
{
osbool more;
bool clear_background = false;
bool clear_partial = false;
float scale = 1;
struct content *c = g->bw->current_content;
int clip_x0, clip_y0, clip_x1, clip_y1;
int content_y1, content_x1;
os_error *error;
osspriteop_area *area;
osspriteop_header *header;
/* Handle no content quickly
*/
if (!c) {
ro_gui_user_redraw(redraw, true, os_COLOUR_WHITE);
return;
}
plot = ro_plotters;
ro_plot_set_scale(g->option.scale);
/* Set the current redraw gui_window to get options from
*/
ro_gui_current_redraw_gui = g;
/* We should clear the background, except for HTML.
*/
if (!c) {
clear_background = true;
} else {
switch (c->type) {
case CONTENT_HTML:
break;
default:
clear_background = true;
scale = g->option.scale;
break;
}
switch (c->type) {
case CONTENT_HTML:
break;
case CONTENT_CSS:
case CONTENT_TEXTPLAIN:
#ifdef WITH_JPEG
case CONTENT_JPEG:
#endif
clear_partial = true;
clear_background = true;
scale = g->option.scale;
break;
#ifdef WITH_SPRITE
case CONTENT_SPRITE:
area = (osspriteop_area *)c->data.sprite.data;
header = (osspriteop_header *)((char*)area + area->first);
clear_partial = (header->image) == (header->mask);
#endif
#ifdef WITH_GIF
case CONTENT_GIF:
#endif
#ifdef WITH_MNG
case CONTENT_JNG:
case CONTENT_MNG:
case CONTENT_PNG:
#endif
if (c->bitmap)
clear_partial = bitmap_get_opaque(c->bitmap);
default:
clear_background = true;
scale = g->option.scale;
break;
}
error = xwimp_redraw_window(redraw, &more);
@ -473,8 +504,16 @@ void ro_gui_window_redraw(struct gui_window *g, wimp_draw *redraw)
return;
}
while (more) {
ro_plot_origin_x = redraw->box.x0 - redraw->xscroll;
ro_plot_origin_y = redraw->box.y1 - redraw->yscroll;
clip_x0 = (redraw->clip.x0 - ro_plot_origin_x) / 2;
clip_y0 = (ro_plot_origin_y - redraw->clip.y1) / 2;
clip_x1 = (redraw->clip.x1 - ro_plot_origin_x) / 2;
clip_y1 = (ro_plot_origin_y - redraw->clip.y0) / 2;
if (ro_gui_current_redraw_gui->option.buffer_everything)
ro_gui_buffer_open(redraw);
if (clear_background) {
error = xcolourtrans_set_gcol(os_COLOUR_WHITE,
colourtrans_SET_BG,
@ -484,24 +523,39 @@ void ro_gui_window_redraw(struct gui_window *g, wimp_draw *redraw)
error->errnum, error->errmess));
warn_user("MiscError", error->errmess);
}
os_clg();
if (clear_partial) {
content_x1 = ro_plot_origin_x + c->width * 2 * scale;
content_y1 = ro_plot_origin_y - c->height * 2 * scale;
if (content_y1 > redraw->clip.y0) {
xos_plot(os_MOVE_TO,
ro_plot_origin_x,
content_y1);
xos_plot(os_PLOT_BG_TO | os_PLOT_RECTANGLE,
redraw->clip.x1,
redraw->clip.y0);
}
if (content_x1 < redraw->clip.x1) {
xos_plot(os_MOVE_TO,
content_x1,
ro_plot_origin_y);
xos_plot(os_PLOT_BG_TO | os_PLOT_RECTANGLE,
redraw->clip.x1,
content_y1);
}
} else {
os_clg();
}
}
if (c) {
ro_plot_origin_x = redraw->box.x0 - redraw->xscroll;
ro_plot_origin_y = redraw->box.y1 - redraw->yscroll;
clip_x0 = (redraw->clip.x0 - ro_plot_origin_x) / 2;
clip_y0 = (ro_plot_origin_y - redraw->clip.y1) / 2;
clip_x1 = (redraw->clip.x1 - ro_plot_origin_x) / 2;
clip_y1 = (ro_plot_origin_y - redraw->clip.y0) / 2;
content_redraw(c, 0, 0,
c->width * scale, c->height * scale,
clip_x0, clip_y0, clip_x1, clip_y1,
g->option.scale,
0xFFFFFF);
}
content_redraw(c, 0, 0,
c->width * scale, c->height * scale,
clip_x0, clip_y0, clip_x1, clip_y1,
g->option.scale,
0xFFFFFF);
if (ro_gui_current_redraw_gui->option.buffer_everything)
ro_gui_buffer_close();
error = xwimp_get_rectangle(redraw, &more);
/* RISC OS 3.7 returns an error here if enough buffer was
claimed to cause a new dynamic area to be created. It
@ -518,10 +572,6 @@ void ro_gui_window_redraw(struct gui_window *g, wimp_draw *redraw)
return;
}
}
/* Reset the current redraw gui_window to prevent thumbnails from
retaining options
*/
ro_gui_current_redraw_gui = NULL;
}