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-rw-r--r--riscos/htmlredraw.c327
1 files changed, 327 insertions, 0 deletions
diff --git a/riscos/htmlredraw.c b/riscos/htmlredraw.c
new file mode 100644
index 000000000..d3ef7d500
--- /dev/null
+++ b/riscos/htmlredraw.c
@@ -0,0 +1,327 @@
+/*
+ * This file is part of NetSurf, http://netsurf.sourceforge.net/
+ * Licensed under the GNU General Public License,
+ * http://www.opensource.org/licenses/gpl-license
+ * Copyright 2003 Phil Mellor <monkeyson@users.sourceforge.net>
+ * Copyright 2003 James Bursa <bursa@users.sourceforge.net>
+ */
+
+#include <assert.h>
+#include <stdbool.h>
+#include <string.h>
+#include "oslib/colourtrans.h"
+#include "oslib/font.h"
+#include "netsurf/content/content.h"
+#include "netsurf/render/html.h"
+#include "netsurf/riscos/gui.h"
+#include "netsurf/utils/log.h"
+
+static void html_redraw_box(struct content *content, struct box * box,
+ signed long x, signed long y, os_box* clip,
+ unsigned long current_background_color,
+ signed long gadget_subtract_x, signed long gadget_subtract_y,
+ bool *select_on);
+
+void html_redraw(struct content *c, long x, long y,
+ unsigned long width, unsigned long height)
+{
+ bool select_on = false;
+ unsigned long background_colour = 0xffffff;
+ struct box *box;
+
+ assert(c->data.html.layout != NULL);
+ box = c->data.html.layout->children;
+ assert(box);
+
+ /* clear to background colour */
+ if (c->data.html.background_colour != TRANSPARENT) {
+ colourtrans_set_gcol(c->data.html.background_colour << 8,
+ colourtrans_SET_BG | colourtrans_USE_ECFS,
+ os_ACTION_OVERWRITE, 0);
+ os_clg();
+ background_colour = c->data.html.background_colour;
+ }
+
+ html_redraw_box(c, box, x, y, clip, background_colour, x, y,
+ &select_on);
+}
+
+
+/* validation strings can't be const */
+static char validation_textarea[] = "R7;L";
+static char validation_textbox[] = "";
+static char validation_actionbutton[] = "R5";
+static char validation_actionbutton_pressed[] = "R5,3";
+static char validation_select[] = "R2";
+static char validation_checkbox_selected[] = "Sopton";
+static char validation_checkbox_unselected[] = "Soptoff";
+static char validation_radio_selected[] = "Sradioon";
+static char validation_radio_unselected[] = "Sradiooff";
+
+static char select_text_multiple[] = "<Multiple>"; /* TODO: read from messages */
+static char select_text_none[] = "<None>";
+
+static char empty_text[] = "";
+
+void html_redraw_box(struct content *content, struct box * box,
+ signed long x, signed long y, os_box* clip,
+ unsigned long current_background_color,
+ signed long gadget_subtract_x, signed long gadget_subtract_y,
+ bool *select_on)
+{
+ struct box * c;
+ char* select_text;
+ struct formoption* opt;
+
+ if (x + (signed long) (box->x*2 + box->width*2) /* right edge */ >= clip->x0 &&
+ x + (signed long) (box->x*2) /* left edge */ <= clip->x1 &&
+ y - (signed long) (box->y*2 + box->height*2 + 8) /* bottom edge */ <= clip->y1 &&
+ y - (signed long) (box->y*2) /* top edge */ >= clip->y0)
+ {
+
+#ifdef FANCY_LINKS
+ if (box == g->link_box)
+ {
+ colourtrans_set_gcol(os_COLOUR_BLACK, colourtrans_USE_ECFS, os_ACTION_OVERWRITE, 0);
+ os_plot(os_MOVE_TO, x + box->x * 2, y - box->y * 2 - box->height * 2 - 4);
+ os_plot(os_PLOT_SOLID | os_PLOT_BY, box->width * 2, 0);
+ }
+#endif
+
+ if (box->style != 0 && box->style->background_color != TRANSPARENT)
+ {
+ colourtrans_set_gcol(box->style->background_color << 8, colourtrans_USE_ECFS,
+ os_ACTION_OVERWRITE, 0);
+ os_plot(os_MOVE_TO, (int) x + (int) box->x * 2, (int) y - (int) box->y * 2);
+ os_plot(os_PLOT_RECTANGLE | os_PLOT_BY, (int) box->width * 2, - (int) box->height * 2);
+ current_background_color = box->style->background_color;
+ }
+
+ if (box->object != 0)
+ {
+ content_redraw(box->object,
+ (int) x + (int) box->x * 2,
+ (int) y - (int) box->y * 2,
+ box->width * 2, box->height * 2);
+ }
+ else if (box->gadget != 0)
+ {
+ wimp_icon icon;
+ LOG(("writing GADGET"));
+
+ icon.extent.x0 = -gadget_subtract_x + x + box->x * 2;
+ icon.extent.y0 = -gadget_subtract_y + y - box->y * 2 - box->height * 2;
+ icon.extent.x1 = -gadget_subtract_x + x + box->x * 2 + box->width * 2;
+ icon.extent.y1 = -gadget_subtract_y + y - box->y * 2;
+
+ switch (box->gadget->type)
+ {
+ case GADGET_TEXTAREA:
+ icon.flags = wimp_ICON_TEXT | wimp_ICON_BORDER |
+ wimp_ICON_VCENTRED | wimp_ICON_FILLED |
+ wimp_ICON_INDIRECTED |
+ (wimp_COLOUR_BLACK << wimp_ICON_FG_COLOUR_SHIFT) |
+ (wimp_COLOUR_WHITE << wimp_ICON_BG_COLOUR_SHIFT);
+ icon.data.indirected_text.text = box->gadget->data.textarea.text;
+ icon.data.indirected_text.size = strlen(box->gadget->data.textarea.text);
+ icon.data.indirected_text.validation = validation_textarea;
+ LOG(("writing GADGET TEXTAREA"));
+ wimp_plot_icon(&icon);
+ break;
+
+
+ case GADGET_TEXTBOX:
+ icon.flags = wimp_ICON_TEXT | wimp_ICON_BORDER |
+ wimp_ICON_VCENTRED | wimp_ICON_FILLED |
+ wimp_ICON_INDIRECTED |
+ (wimp_COLOUR_DARK_GREY << wimp_ICON_FG_COLOUR_SHIFT) |
+ (wimp_COLOUR_WHITE << wimp_ICON_BG_COLOUR_SHIFT);
+ icon.data.indirected_text.text = box->gadget->data.textbox.text;
+ icon.data.indirected_text.size = box->gadget->data.textbox.maxlength + 1;
+ icon.data.indirected_text.validation = validation_textbox;
+ LOG(("writing GADGET TEXTBOX"));
+ wimp_plot_icon(&icon);
+ break;
+
+ case GADGET_ACTIONBUTTON:
+ icon.flags = wimp_ICON_TEXT | wimp_ICON_BORDER |
+ wimp_ICON_VCENTRED | wimp_ICON_FILLED |
+ wimp_ICON_INDIRECTED | wimp_ICON_HCENTRED |
+ (wimp_COLOUR_BLACK << wimp_ICON_FG_COLOUR_SHIFT);
+ icon.data.indirected_text.text = box->gadget->data.actionbutt.label;
+ icon.data.indirected_text.size = strlen(box->gadget->data.actionbutt.label);
+ if (box->gadget->data.actionbutt.pressed)
+ {
+ icon.data.indirected_text.validation = validation_actionbutton_pressed;
+ icon.flags |= (wimp_COLOUR_LIGHT_GREY << wimp_ICON_BG_COLOUR_SHIFT) | wimp_ICON_SELECTED;
+ }
+ else
+ {
+ icon.data.indirected_text.validation = validation_actionbutton;
+ icon.flags |= (wimp_COLOUR_VERY_LIGHT_GREY << wimp_ICON_BG_COLOUR_SHIFT);
+ }
+ LOG(("writing GADGET ACTION"));
+ wimp_plot_icon(&icon);
+ break;
+
+ case GADGET_SELECT:
+ icon.flags = wimp_ICON_TEXT | wimp_ICON_BORDER |
+ wimp_ICON_VCENTRED | wimp_ICON_FILLED |
+ wimp_ICON_INDIRECTED | wimp_ICON_HCENTRED |
+ (wimp_COLOUR_BLACK << wimp_ICON_FG_COLOUR_SHIFT) |
+ (wimp_COLOUR_VERY_LIGHT_GREY << wimp_ICON_BG_COLOUR_SHIFT);
+ select_text = 0;
+ opt = box->gadget->data.select.items;
+ while (opt != NULL)
+ {
+ if (opt->selected)
+ {
+ if (select_text == 0)
+ select_text = opt->text;
+ else
+ select_text = select_text_multiple;
+ }
+ opt = opt->next;
+ }
+ if (select_text == 0)
+ select_text = select_text_none;
+ icon.data.indirected_text.text = select_text;
+ icon.data.indirected_text.size = strlen(icon.data.indirected_text.text);
+ icon.data.indirected_text.validation = validation_select;
+ LOG(("writing GADGET ACTION"));
+ wimp_plot_icon(&icon);
+ break;
+
+ case GADGET_CHECKBOX:
+ icon.flags = wimp_ICON_TEXT | wimp_ICON_SPRITE |
+ wimp_ICON_VCENTRED | wimp_ICON_HCENTRED |
+ wimp_ICON_INDIRECTED;
+ icon.data.indirected_text_and_sprite.text = empty_text;
+ if (box->gadget->data.checkbox.selected)
+ icon.data.indirected_text_and_sprite.validation = validation_checkbox_selected;
+ else
+ icon.data.indirected_text_and_sprite.validation = validation_checkbox_unselected;
+ icon.data.indirected_text_and_sprite.size = 1;
+ LOG(("writing GADGET CHECKBOX"));
+ wimp_plot_icon(&icon);
+ break;
+
+ case GADGET_RADIO:
+ icon.flags = wimp_ICON_SPRITE |
+ wimp_ICON_VCENTRED | wimp_ICON_HCENTRED;
+ if (box->gadget->data.radio.selected)
+ strcpy(icon.data.sprite, "radioon");
+ else
+ strcpy(icon.data.sprite, "radiooff");
+ LOG(("writing GADGET RADIO"));
+ wimp_plot_icon(&icon);
+ break;
+
+ case GADGET_HIDDEN:
+ break;
+ }
+ LOG(("gadgets finished"));
+ }
+
+ if (box->type == BOX_INLINE && box->font != 0)
+ {
+
+if (content->data.html.text_selection.selected == 1)
+{
+ struct box_position* start;
+ struct box_position* end;
+
+ start = &(content->data.html.text_selection.start);
+ end = &(content->data.html.text_selection.end);
+
+ if (start->box == box)
+ {
+ fprintf(stderr, "THE START OFFSET IS %d\n", start->pixel_offset * 2);
+ if (end->box == box)
+ {
+ colourtrans_set_gcol(os_COLOUR_VERY_LIGHT_GREY, colourtrans_USE_ECFS, 0, 0);
+ os_plot(os_MOVE_TO,
+ (int) x + (int) box->x * 2 + start->pixel_offset * 2,
+ (int) y - (int) box->y * 2 - (int) box->height * 2);
+ os_plot(os_PLOT_RECTANGLE | os_PLOT_TO,
+ (int) x + (int) box->x * 2 + end->pixel_offset * 2 - 2,
+ (int) y - (int) box->y * 2 - 2);
+ }
+ else
+ {
+ colourtrans_set_gcol(os_COLOUR_VERY_LIGHT_GREY, colourtrans_USE_ECFS, 0, 0);
+ os_plot(os_MOVE_TO,
+ (int) x + (int) box->x * 2 + start->pixel_offset * 2,
+ (int) y - (int) box->y * 2 - (int) box->height * 2);
+ os_plot(os_PLOT_RECTANGLE | os_PLOT_TO,
+ (int) x + (int) box->x * 2 + (int) box->width * 2 - 2,
+ (int) y - (int) box->y * 2 - 2);
+ *select_on = true;
+ }
+ }
+ else if (*select_on)
+ {
+ if (end->box != box)
+ {
+ colourtrans_set_gcol(os_COLOUR_VERY_LIGHT_GREY, colourtrans_USE_ECFS, 0, 0);
+ os_plot(os_MOVE_TO,
+ (int) x + (int) box->x * 2,
+ (int) y - (int) box->y * 2 - (int) box->height * 2);
+ os_plot(os_PLOT_RECTANGLE | os_PLOT_TO,
+ (int) x + (int) box->x * 2 + (int) box->width * 2 - 2,
+ (int) y - (int) box->y * 2 - 2);
+ }
+ else
+ {
+ colourtrans_set_gcol(os_COLOUR_VERY_LIGHT_GREY, colourtrans_USE_ECFS, 0, 0);
+ os_plot(os_MOVE_TO,
+ (int) x + (int) box->x * 2,
+ (int) y - (int) box->y * 2 - (int) box->height * 2);
+ os_plot(os_PLOT_RECTANGLE | os_PLOT_TO,
+ (int) x + (int) box->x * 2 + end->pixel_offset * 2 - 2,
+ (int) y - (int) box->y * 2 - 2);
+ *select_on = false;
+ }
+ }
+}
+
+ colourtrans_set_font_colours(box->font->handle, current_background_color << 8, box->style->color << 8,
+ 14, 0, 0, 0);
+
+ font_paint(box->font->handle, box->text,
+ font_OS_UNITS | font_GIVEN_FONT | font_KERN | font_GIVEN_LENGTH,
+ (int) x + (int) box->x * 2, (int) y - (int) box->y * 2 - (int) (box->height * 1.5),
+ NULL, NULL,
+ (int) box->length);
+
+ }
+ }
+ else
+ {
+ if (content->data.html.text_selection.selected == 1)
+ {
+ struct box_position* start;
+ struct box_position* end;
+
+ start = &(content->data.html.text_selection.start);
+ end = &(content->data.html.text_selection.end);
+
+ if (start->box == box && end->box != box)
+ *select_on = true;
+ else if (*select_on && end->box == box)
+ *select_on = false;
+ }
+ }
+
+ for (c = box->children; c != 0; c = c->next)
+ if (c->type != BOX_FLOAT_LEFT && c->type != BOX_FLOAT_RIGHT)
+ html_redraw_box(content, c, (int) x + (int) box->x * 2,
+ (int) y - (int) box->y * 2, clip, current_background_color,
+ gadget_subtract_x, gadget_subtract_y, select_on);
+
+ for (c = box->float_children; c != 0; c = c->next_float)
+ html_redraw_box(content, c, (int) x + (int) box->x * 2,
+ (int) y - (int) box->y * 2, clip, current_background_color,
+ gadget_subtract_x, gadget_subtract_y, select_on);
+}
+
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