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-rw-r--r--frontends/atari/gemtk/objc.c522
1 files changed, 522 insertions, 0 deletions
diff --git a/frontends/atari/gemtk/objc.c b/frontends/atari/gemtk/objc.c
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+++ b/frontends/atari/gemtk/objc.c
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+/*
+ * Copyright 2013 Ole Loots <ole@monochrom.net>
+ *
+ * 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/>.
+ *
+ * Module Description:
+ *
+ * AES Object tree tools.
+ *
+ */
+
+#include <assert.h>
+#include "gemtk.h"
+
+char *gemtk_obj_get_text(OBJECT * tree, short idx)
+{
+ static char p[]="";
+
+ switch (tree[idx].ob_type & 0x00FF) {
+ case G_BUTTON:
+ case G_STRING:
+ case G_TITLE:
+ return( tree[idx].ob_spec.free_string);
+ case G_TEXT:
+ case G_BOXTEXT:
+ case G_FTEXT:
+ case G_FBOXTEXT:
+ return (tree[idx].ob_spec.tedinfo->te_ptext);
+ case G_ICON:
+ case G_CICON:
+ return (tree[idx].ob_spec.iconblk->ib_ptext);
+ break;
+
+ default:
+ break;
+ }
+ return (p);
+}
+
+static void set_text(OBJECT *obj, short idx, char * text, int len)
+{
+ char spare[255];
+
+ if( len > 254 )
+ len = 254;
+ if( text != NULL ) {
+ strncpy(spare, text, 254);
+ } else {
+ strcpy(spare, "");
+ }
+
+ set_string(obj, idx, spare);
+}
+
+char gemtk_obj_set_str_safe(OBJECT * tree, short idx, const char *txt)
+{
+ char spare[204];
+ short type = 0;
+ short maxlen = 0;
+
+
+ type = (tree[idx].ob_type & 0xFF);
+ if (type == G_FTEXT || type == G_FBOXTEXT) {
+ TEDINFO *ted = ((TEDINFO *)get_obspec(tree, idx));
+ maxlen = ted->te_tmplen+1;
+ if (maxlen > 200) {
+ maxlen = 200;
+ } else if (maxlen < 0) {
+ maxlen = 0;
+ }
+ } else {
+ assert((type == G_FTEXT) || (type == G_FBOXTEXT));
+ }
+
+ snprintf(spare, maxlen, "%s", txt);
+ set_string(tree, idx, spare);
+
+ return(0);
+}
+
+OBJECT *gemtk_obj_get_tree(int idx)
+{
+
+ OBJECT *tree;
+
+ rsrc_gaddr(R_TREE, idx, &tree);
+
+ return tree;
+}
+
+bool gemtk_obj_is_inside(OBJECT * tree, short obj, GRECT *area)
+{
+ GRECT obj_screen;
+ bool ret = false;
+
+ objc_offset(tree, obj, &obj_screen.g_x, &obj_screen.g_y);
+ obj_screen.g_w = tree[obj].ob_width;
+ obj_screen.g_h = tree[obj].ob_height;
+
+ ret = RC_WITHIN(&obj_screen, area);
+
+ return(ret);
+}
+
+GRECT * gemtk_obj_screen_rect(OBJECT * tree, short obj)
+{
+ static GRECT obj_screen;
+
+ get_objframe(tree, obj, &obj_screen);
+
+ return(&obj_screen);
+}
+
+
+void gemtk_obj_mouse_sprite(OBJECT *tree, int index)
+{
+ MFORM mform;
+ int dum;
+
+ if ((tree[index].ob_type & 0xFF) != G_ICON)
+ return;
+
+ dum = tree[index].ob_spec.iconblk->ib_char;
+ mform . mf_nplanes = 1;
+ mform . mf_fg = (dum>>8)&0x0F;
+ mform . mf_bg = dum>>12;
+ mform . mf_xhot = 0; /* to prevent the mform to "jump" on the */
+ mform . mf_yhot = 0; /* screen (zebulon rules!) */
+
+ for( dum = 0; dum<16; dum ++) {
+ mform . mf_mask[dum] = tree[index].ob_spec.iconblk->ib_pmask[dum];
+ mform . mf_data[dum] = tree[index].ob_spec.iconblk->ib_pdata[dum];
+ }
+ graf_mouse(USER_DEF, &mform);
+}
+
+
+/*
+ * gemtk_obj_tree_copy
+ *
+ * Copy a complete object-tree including all substructures (optional).
+ *
+ * CAUTION: The object-tree *must* have the LASTOB-flag (0x20) set in
+ * it's physically last member.
+ *
+ * BUG: Up to now tree_copy won't copy the color-icon-structure,
+ * because I'm too lazy ;) Maybe I'll do that one day. If you need it
+ * urgently, contact me and force me to work... Btw, this doesn't mean
+ * that G_CICONs won't be copied at all, but the copied tree will
+ * share the CICONBLKs with the original.
+ *
+ * Input:
+ * tree: Pointer to tree which should be copied
+ * what: Specifies what substructures should be copied, too (see the
+ * C_xxx-definitions in tree-copy.h for details)
+ *
+ * Output:
+ * NULL: Tree couldn't be copied (due to lack of memory)
+ * otherwise: Pointer to copied tree, use free to dealloc it's memory
+ */
+OBJECT *gemtk_obj_tree_copy(OBJECT *tree)
+{
+ int16_t i, objects;
+ size_t to_malloc, size;
+ OBJECT *new_tree;
+ char *area;
+
+ /* Calculate the number of bytes we need for the new tree */
+ to_malloc = (size_t) 0;
+ for (i = 0;;) {
+
+ /* Size of the OBJECT-structure itself */
+ to_malloc += sizeof(OBJECT);
+
+ switch (tree[i].ob_type & 0xff) {
+ case G_TEXT:
+ case G_BOXTEXT:
+ case G_FTEXT:
+ case G_FBOXTEXT:
+ /* Size of a TEDINFO-structure */
+ to_malloc += sizeof(TEDINFO);
+
+ /* Sizes of the strings in the TEDINFO-structure */
+ to_malloc += (size_t)tree[i].ob_spec.tedinfo->te_txtlen;
+ to_malloc += (size_t)tree[i].ob_spec.tedinfo->te_txtlen;
+ to_malloc += (size_t)tree[i].ob_spec.tedinfo->te_tmplen;
+ break;
+
+ case G_IMAGE:
+
+ /* Size of the BITBLK-structure */
+ to_malloc += sizeof(BITBLK);
+
+ /* Size of the image-data in the BITBLK-structure */
+ to_malloc += (size_t)((int32_t)tree[i].ob_spec.bitblk->bi_wb *
+ (int32_t)tree[i].ob_spec.bitblk->bi_hl);
+
+ break;
+
+ case G_USERDEF:
+ /* Size of the USERBLK-structure */
+ to_malloc += sizeof(USERBLK);
+ break;
+
+ case G_BUTTON:
+ case G_STRING:
+ case G_TITLE:
+ /* Size of the string (with one null character at the end) */
+ to_malloc += strlen(tree[i].ob_spec.free_string) + 1L;
+ break;
+
+ case G_ICON:
+ /* Size of the ICONBLK-structure */
+ to_malloc += sizeof(BITBLK);
+
+ /* Sizes of icon-data, icon-mask and icon-text */
+ to_malloc += (size_t)((int32_t)tree[i].ob_spec.iconblk->ib_wicon *
+ (int32_t)tree[i].ob_spec.iconblk->ib_hicon /
+ 4L + 1L +
+ (int32_t)strlen(tree[i].ob_spec.iconblk->ib_ptext));
+
+ break;
+ }
+
+ /* If the size is odd, make it even */
+ if ((long)to_malloc & 1)
+ to_malloc++;
+
+ /* Exit if we've reached the last object in the tree */
+ if (tree[i].ob_flags & OF_LASTOB)
+ break;
+
+ i++;
+ }
+
+ objects = i + 1;
+
+ /* If there's not enough memory left for the new tree, return NULL */
+ if ((new_tree = (OBJECT *)calloc(1, to_malloc)) == NULL) {
+ return(NULL);
+ }
+
+ /*
+ * area contains a pointer to the area where we copy the structures to
+ */
+ area = (char *)((int32_t)new_tree+(int32_t)objects*(int32_t)sizeof(OBJECT));
+
+ for (i = 0; i < objects; i++) {
+
+ /* Copy the contents of the OBJECT-structure */
+ new_tree[i] = tree[i];
+
+ /* This was added to assure true copies of the object type */
+ new_tree[i].ob_type = tree[i].ob_type;
+
+ switch (tree[i].ob_type & 0xff) {
+ case G_TEXT:
+ case G_BOXTEXT:
+ case G_FTEXT:
+ case G_FBOXTEXT:
+
+ /* Copy the contents of the TEDINFO-structure */
+ *(TEDINFO *)area = *tree[i].ob_spec.tedinfo;
+ new_tree[i].ob_spec.tedinfo = (TEDINFO *)area;
+ area += sizeof(TEDINFO);
+
+ /* Copy the strings in the TEDINFO-structure */
+ strncpy(area, tree[i].ob_spec.tedinfo->te_ptext,
+ tree[i].ob_spec.tedinfo->te_txtlen);
+ new_tree[i].ob_spec.tedinfo->te_ptext = area;
+ area += tree[i].ob_spec.tedinfo->te_txtlen;
+ strncpy(area, tree[i].ob_spec.tedinfo->te_ptmplt,
+ tree[i].ob_spec.tedinfo->te_tmplen);
+ new_tree[i].ob_spec.tedinfo->te_ptmplt = area;
+ area += tree[i].ob_spec.tedinfo->te_tmplen;
+ strncpy(area, tree[i].ob_spec.tedinfo->te_pvalid,
+ tree[i].ob_spec.tedinfo->te_txtlen);
+ new_tree[i].ob_spec.tedinfo->te_pvalid = area;
+ area += tree[i].ob_spec.tedinfo->te_txtlen;
+
+ break;
+
+ case G_IMAGE:
+
+ /* Copy the contents of the BITBLK-structure */
+ *(BITBLK *)area = *tree[i].ob_spec.bitblk;
+ new_tree[i].ob_spec.bitblk = (BITBLK *)area;
+ area += sizeof(BITBLK);
+
+ /* Copy the image-data */
+ size = (size_t)((int32_t)tree[i].ob_spec.bitblk->bi_wb *
+ (int32_t)tree[i].ob_spec.bitblk->bi_hl);
+ memcpy(area, tree[i].ob_spec.bitblk->bi_pdata, size);
+ new_tree[i].ob_spec.bitblk->bi_pdata = (int16_t *)area;
+ area += size;
+
+ break;
+
+ case G_USERDEF:
+
+ /* Copy the contents of the USERBLK-structure */
+ *(USERBLK *)area = *tree[i].ob_spec.userblk;
+ new_tree[i].ob_spec.userblk = (USERBLK *)area;
+ area += sizeof(USERBLK);
+
+ break;
+
+ case G_BUTTON:
+ case G_STRING:
+ case G_TITLE:
+
+ /* Copy the string */
+ size = strlen(tree[i].ob_spec.free_string) + 1L;
+ strcpy(area, tree[i].ob_spec.free_string);
+ new_tree[i].ob_spec.free_string = area;
+ area += size;
+
+ break;
+
+ case G_ICON:
+
+ /* Copy the contents of the ICONBLK-structure */
+ *(ICONBLK *)area = *tree[i].ob_spec.iconblk;
+ new_tree[i].ob_spec.iconblk = (ICONBLK *)area;
+ area += sizeof(ICONBLK);
+
+ size = (size_t)((int32_t)tree[i].ob_spec.iconblk->ib_wicon *
+ (int32_t)tree[i].ob_spec.iconblk->ib_hicon /
+ 8L);
+ /* Copy the mask-data */
+ memcpy(area, tree[i].ob_spec.iconblk->ib_pmask, size);
+ new_tree[i].ob_spec.iconblk->ib_pmask = (int16_t *)area;
+ area += size;
+
+ /* Copy the icon-data */
+ memcpy(area, tree[i].ob_spec.iconblk->ib_pdata, size);
+ new_tree[i].ob_spec.iconblk->ib_pdata = (int16_t *)area;
+ area += size;
+ size = strlen(tree[i].ob_spec.iconblk->ib_ptext) + 1L;
+
+ /* Copy the icon-string */
+ strcpy(area, tree[i].ob_spec.iconblk->ib_ptext);
+ new_tree[i].ob_spec.iconblk->ib_ptext = area;
+ area += size;
+
+ break;
+ }
+
+ /* Assure that area contains an even address */
+ if ((int32_t)area & 1)
+ area++;
+ }
+
+ return(new_tree);
+}
+
+/***
+ * Create a simple OBJECT tree from a list of strings, to be used with menu_popup
+ * OBJECT ownership is passed to caller.
+ * Call gemtk_obj_destroy_popup_tree once the popup isn't needed anymore.
+ *
+ * \param items A list of string to be used as items
+ * \param nitems The number of items in the list
+ * \param selected The text of the selected item
+ * \param horizontal Set to true to render the tree horizontally
+ * \param max_width -1: autodetect width
+ * \param max_heigth -1: autodetect height (set to postive value when using a vertical scrolling popup)
+ * \return a pointer to the new OBJECT tree
+ */
+OBJECT * gemtk_obj_create_popup_tree(const char **items, int nitems,
+ char * selected, bool horizontal,
+ int max_width, int max_height)
+{
+ OBJECT * popup = NULL;
+ int box_width = 0;
+ int box_height = 0;
+ int char_width = 10;
+ int char_height = 16;
+ int item_height; // height of each item
+
+ assert(items != NULL);
+
+ item_height = char_height;
+
+ /* Allocate room for n items and the root G_BOX: */
+ popup = calloc(nitems+1, sizeof(OBJECT));
+ assert(popup != null);
+
+ for (int i=0; i<nitems; i++) {
+
+ int len = strlen(items[i]);
+
+ if (horizontal && (max_width<1)) {
+ box_width += (len * char_width)+4;
+ }
+ else if (!horizontal){
+ /* Detect max width, used for vertical rendering: */
+ if(len*char_width > box_width){
+ box_width = (len+2) * char_width;
+ }
+ //if (max_height < 1) {
+ box_height += item_height;
+ //}
+ }
+ }
+
+ if (max_width>0){
+ box_width = max_width;
+ }
+
+ if (horizontal) {
+ box_height = item_height;
+ }
+ else if(max_height > 0){
+ // TODO: validate max_height, shrink values larger than screen height
+ //box_height = max_height;
+ }
+
+/*
+ printf("popup height: %d, popup width: %d\n", box_height, box_width);
+*/
+
+ popup[0].ob_next = -1; /**< object's next sibling */
+ popup[0].ob_head = 1; /**< head of object's children */
+ popup[0].ob_tail = nitems; /**< tail of object's children */
+ popup[0].ob_type = G_BOX; /**< type of object */
+ popup[0].ob_flags = OF_FL3DBAK; /**< flags */
+ popup[0].ob_state = OS_NORMAL; /**< state */
+ popup[0].ob_spec.index = (long) 16650496L; /**< object-specific data */
+ popup[0].ob_x = 0; /**< upper left corner of object */
+ popup[0].ob_y = 0; /**< upper left corner of object */
+ popup[0].ob_width = box_width; /**< width of obj */
+ popup[0].ob_height = box_height;
+
+
+
+ /* Add items to popup: */
+ int xpos = 0, ypos = 0;
+
+ for (int i=0; i<nitems; i++) {
+
+ int state = OS_NORMAL;
+ int flags = OF_NONE;
+ int item_width;
+ char * string = calloc(1, strlen(items[i])+3);
+
+ snprintf(string, strlen(items[i])+3, " %s", items[i]);
+
+ if (selected != NULL) {
+ if (strcmp(selected, items[i]) == 0) {
+ state |= OS_CHECKED;
+ }
+ }
+
+ if (i == nitems-1) {
+ flags |= OF_LASTOB;
+ }
+
+ item_width = (horizontal) ? ((int)strlen(items[i])*char_width)+2 : box_width;
+/*
+ printf("addin popup item \"%s\" (w: %d, h: %d, flags: %x) at %d/%d\n", items[i],
+ item_width, item_height, flags,
+ xpos, ypos);
+*/
+
+ popup[i+1].ob_next = ((flags&OF_LASTOB) != 0) ? 0 : i+2; /**< object's next sibling */
+ popup[i+1].ob_head = -1; /**< head of object's children */
+ popup[i+1].ob_tail = -1; /**< tail of object's children */
+ popup[i+1].ob_type = G_STRING; /**< type of object */
+ popup[i+1].ob_flags = flags; /**< flags */
+ popup[i+1].ob_state = state; /**< state */
+ popup[i+1].ob_spec.free_string = string; /**< object-specific data */
+ popup[i+1].ob_x = xpos; /**< upper left corner of object */
+ popup[i+1].ob_y = ypos; /**< upper left corner of object */
+ popup[i+1].ob_width = item_width; /**< width of obj */
+ popup[i+1].ob_height = item_height;
+
+ if (horizontal) {
+ xpos += item_width;
+ }
+ else {
+ ypos += item_height;
+ }
+
+ }
+
+ return(popup);
+}
+
+/***
+ * Free memory of an OBJECT tree created with gemtk_obj_create_popup_tree.
+ *
+ * \param popup The tree to destroy
+ */
+void gemtk_obj_destroy_popup_tree(OBJECT * popup)
+{
+ int i=0;
+
+ while (1) {
+ if (popup[i].ob_type == G_STRING) {
+ free(popup[i+1].ob_spec.free_string);
+ }
+ if((popup[i].ob_flags & OF_LASTOB) != OF_LASTOB){
+ break;
+ }
+ i++;
+ }
+
+ free(popup);
+}
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