/* Copyright 1997 Acorn Computers Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/***************************************************/
/* File : Choices.c */
/* */
/* Purpose: Functions relating to the choices */
/* dialogue box and associated sub */
/* windows */
/* */
/* Author : D.T.A.Brown */
/* */
/* History: 23-Sep-97: Created. */
/***************************************************/
#include <stdlib.h>
#include <string.h>
#include "swis.h"
#include "HTMLLib.h" /* HTML library API, Which will include html2_ext.h, tags.h and struct.h */
#include "wimp.h"
#include "wimplib.h"
#include "event.h"
#include "toolbox.h"
#include "window.h"
#include "menu.h"
#include "ColourDbox.h"
#include "svcprint.h"
#include "Global.h"
#include "FromROSLib.h"
#include "Utils.h"
#include "Encoding.h"
#include "FetchPage.h"
#include "History.h"
#include "Menus.h"
#include "NestWimp.h"
#include "Save.h"
#include "URLutils.h"
#include "Windows.h"
#include "Choices.h"
static int * subwindows = NULL;
static ObjectId current_subwindow = CDSubNone;
static ObjectId colourdbox_id = 0;
static int save_ticked = -1;
static int disp_ticked = -1;
global_choices * new_choices = NULL;
ObjectId choices_windowid = 0;
static _kernel_oserror * choices_show_subwindow (ObjectId choices_window, int subwindow);
static _kernel_oserror * choices_set_contents (void);
static _kernel_oserror * choices_get_contents (void);
static int choices_radio_click_handler (int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle);
static int choices_set_button_handler (int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle);
static int choices_cancel_button_handler (int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle);
static int choices_save_button_handler (int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle);
static int choices_encoding_button_handler (int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle);
static int choices_colour_button_handler (int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle);
static int choices_colour_closed_handler (int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle);
static int choices_colour_selected_handler (int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle);
static int choices_display_m_button_handler(int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle);
static int choices_save_m_button_handler (int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle);
static int choices_display_m_click_handler (int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle);
static int choices_save_m_click_handler (int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle);
static _kernel_oserror * choices_colour_set_component (ObjectId window, ComponentId component, int colour);
static _kernel_oserror * choices_set_save_field (ObjectId obj, ComponentId comp, int state);
static _kernel_oserror * choices_set_display_field (ObjectId obj, ComponentId comp, int state);
/*************************************************/
/* choices_show_subwindow() */
/* */
/* Shows a choice subwindow in the main choices */
/* window. � */
/* */
/* Parameters: the ObjectId of the main choices */
/* window */
/* */
/* the number of the subwindow to */
/* show. Defined in choices.h */
/* Use CDSubNone to remove */
/* the current subwindow. */
/* */
/* Returns: pointer to _kernel_oserror */
/*************************************************/
static _kernel_oserror *choices_show_subwindow(ObjectId choices_window, int subwindow)
{
_kernel_oserror *e;
int window_handle;
WindowShowObjectBlock show_block;
WimpGetWindowStateBlock state;
WimpGetWindowOutlineBlock outline;
int vwidth, hheight;
if (current_subwindow != CDSubNone)
{
/* remove the current subwindow */
toolbox_hide_object(0, *(subwindows + current_subwindow));
}
if (subwindow == CDSubNone || !(*(subwindows + subwindow)) || subwindow == current_subwindow)
{
/* Have not been asked to open a new subwindow */
current_subwindow = CDSubNone;
return NULL;
}
RetError(window_get_wimp_handle(0, choices_window, &window_handle));
state.window_handle = window_handle;
RetError(wimp_get_window_state(&state));
RetError(gadget_get_bbox(0, choices_window, CDPlaceHolder, &show_block.visible_area));
windows_return_tool_sizes(NULL, &hheight, &vwidth);
show_block.visible_area.xmin = coords_x_toscreen(show_block.visible_area.xmin, (WimpRedrawWindowBlock*)&state);
show_block.visible_area.xmax = coords_x_toscreen(show_block.visible_area.xmax, (WimpRedrawWindowBlock*)&state);
show_block.visible_area.ymin = coords_y_toscreen(show_block.visible_area.ymin, (WimpRedrawWindowBlock*)&state);
show_block.visible_area.ymax = coords_y_toscreen(show_block.visible_area.ymax, (WimpRedrawWindowBlock*)&state);
/* Adjustments for different types of window */
#ifdef TRACE
Printf("wimp flags : %x\n", state.flags);
#endif
RetError(window_get_wimp_handle(0, *(subwindows + subwindow), &state.window_handle));
RetError(wimp_get_window_state(&state));
if (state.flags & WimpWindow_VScroll) show_block.visible_area.xmax -= vwidth;
else vwidth = 0;
if (state.flags & WimpWindow_HScroll) show_block.visible_area.ymin += hheight;
else hheight = 0;
show_block.xscroll = 0;
show_block.yscroll = 0;
show_block.behind = -1;
show_block.window_flags = 0;
show_block.alignment_flags = 0;
/* Requires wimp handle just to be awkward */
show_block.parent_window_handle = window_handle;
RetError(toolbox_show_object(Toolbox_ShowObject_AsSubWindow,
*(subwindows + subwindow),
Toolbox_ShowObject_FullSpec,
&show_block,
choices_window,
-1));
outline.window_handle = state.window_handle;
wimp_get_window_outline(&outline);
if (outline.outline.xmin < show_block.visible_area.xmin)
show_block.visible_area.xmin += (show_block.visible_area.xmin - outline.outline.xmin);
if (outline.outline.ymin < (show_block.visible_area.ymin - hheight))
show_block.visible_area.ymin += (show_block.visible_area.ymin - outline.outline.ymin);
if (outline.outline.xmax > (show_block.visible_area.xmax + vwidth))
show_block.visible_area.xmax -= (outline.outline.xmax - show_block.visible_area.xmax);
if (outline.outline.ymax > show_block.visible_area.ymax)
show_block.visible_area.ymax -= (outline.outline.ymax - show_block.visible_area.ymax);
e = toolbox_show_object(Toolbox_ShowObject_AsSubWindow,
*(subwindows + subwindow),
Toolbox_ShowObject_FullSpec,
&show_block,
choices_window,
-1);
if (!e) current_subwindow = subwindow;
return e;
}
/*************************************************/
/* choices_to_be_shown() */
/* */
/* Called when the ECDToBeShown event is */
/* generated. */
/* Creates all the subwindow dialogues and fills */
/* them in with appropriate values. */
/* Registers all additional event handlers used */
/* while the choices dialogue is visible. */
/* */
/* Parameters are as standard for a Toolbox */
/* event handler. */
/*************************************************/
int choices_to_be_shown(int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle)
{
_kernel_oserror *e;
#ifdef TRACE
Printf("called: choices_to_be_shown\n");
#endif
choices_windowid = idb->self_id;
/* Allocate block for holding subwindows ObjectIds */
if (!subwindows)
{
subwindows = malloc(sizeof(ObjectId)*CDNoSubwindows);
if (!subwindows)
{
/* If hide object doesn't work, things are really screwed */
e = toolbox_hide_object(0, idb->self_id);
show_error_ret(e);
e = make_no_memory_error(100); //
show_error_ret(e);
return 1;
}
}
if (!new_choices)
{
new_choices = malloc(sizeof(global_choices));
if (!new_choices)
{
/* If hide object doesn't work, things are really screwed */
e = toolbox_hide_object(0, idb->self_id);
show_error_ret(e);
e = make_no_memory_error(100); //
show_error_ret(e);
return 1;
}
else
{
memcpy(new_choices, &choices, sizeof(global_choices));
}
}
/* Create all choices subwindows. Set their ObjectIds to NULL if they cannot be created */
e = toolbox_create_object(0, "ChSub0", subwindows + CDSubBrowseDefaults);
if (e) *(subwindows + CDSubBrowseDefaults) = NULL;
e = toolbox_create_object(0, "ChSub1", subwindows + CDSubWindows);
if (e) *(subwindows + CDSubWindows) = NULL;
e = toolbox_create_object(0, "ChSub2", subwindows + CDSubColours);
if (e) *(subwindows + CDSubColours) = NULL;
e = toolbox_create_object(0, "ChSub3", subwindows + CDSubFonts);
if (e) *(subwindows + CDSubFonts) = NULL;
e = toolbox_create_object(0, "ChSub4", subwindows + CDSubHotlist);
if (e) *(subwindows + CDSubHotlist) = NULL;
e = toolbox_create_object(0, "ChSub5", subwindows + CDSubHistory);
if (e) *(subwindows + CDSubHistory) = NULL;
e = toolbox_create_object(0, "ChSub6", subwindows + CDSubSub6);
if (e) *(subwindows + CDSubSub6) = NULL;
e = toolbox_create_object(0, "ChSub7", subwindows + CDSubSub7);
if (e) *(subwindows + CDSubSub7) = NULL;
e = toolbox_create_object(0, "ChSub8", subwindows + CDSubSub8);
if (e) *(subwindows + CDSubSub8) = NULL;
e = choices_show_subwindow(idb->self_id, CDSubBrowseDefaults);
if (e)
{
show_error_ret(e);
return 1;
}
e = radiobutton_set_state(0, idb->self_id, CDBrowseDefaults, 1);
if (e)
{
show_error_ret(e);
return 1;
}
e = choices_set_contents();
if (e)
{
show_error_ret(e);
return 1;
}
/* Register choices event handlers */
e = event_register_toolbox_handler(-1, ECDRG2, choices_radio_click_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_register_toolbox_handler(-1, CDSet, choices_set_button_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_register_toolbox_handler(-1, CDCancel, choices_cancel_button_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_register_toolbox_handler(-1, CDSaveButton, choices_save_button_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_register_toolbox_handler(-1, ECD_EncodingMenuBt, choices_encoding_button_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_register_toolbox_handler(-1, ECD_ColourButton, choices_colour_button_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_register_toolbox_handler(-1, ECD_HlDispBt, choices_display_m_button_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_register_toolbox_handler(-1, ECD_HiDispBt, choices_display_m_button_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_register_toolbox_handler(-1, ECD_HlSaveBt, choices_save_m_button_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_register_toolbox_handler(-1, ECD_HiSaveBt, choices_save_m_button_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_register_toolbox_handler(-1, ECDSaveMenuClick, choices_save_m_click_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_register_toolbox_handler(-1, ECDDispMenuClick, choices_display_m_click_handler, NULL);
if (e) {show_error_ret(e); return 1;}
return 1;
}
/*************************************************/
/* choices_delete_subwindows() */
/* */
/* Deletes all subwindows, reports any and all */
/* errors occuring while deleting them. */
/* Frees the structure holding the subwindows. */
/*************************************************/
static void choices_delete_subwindows(void)
{
_kernel_oserror *e;
int count;
for(count = 0; count < CDNoSubwindows; count++)
{
if (*(subwindows + count))
{
e = toolbox_delete_object(0, *(subwindows + count));
if (e) show_error_ret(e);
*(subwindows + count) = 0;
}
}
free(subwindows);
subwindows = NULL;
}
/*************************************************/
/* choices_hidden() */
/* */
/* Called when the ECDHidden event is generated. */
/* Deletes all the subwindow dialogues. */
/* Deregisters all additional event handlers */
/* used while the choices dialogue is visible. */
/* */
/* Parameters are as standard for a Toolbox */
/* event handler. */
/*************************************************/
int choices_hidden(int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle)
{
_kernel_oserror *e;
/* Close subwindow */
e = choices_show_subwindow(idb->self_id, CDSubNone);
if (e) show_error_ret(e);
/* Delete all subwindow objects */
choices_delete_subwindows();
/* Deregister choices event handlers */
e = event_deregister_toolbox_handler(-1, ECDRG2, choices_radio_click_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_deregister_toolbox_handler(-1, CDSet, choices_set_button_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_deregister_toolbox_handler(-1, CDCancel, choices_cancel_button_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_deregister_toolbox_handler(-1, CDSaveButton, choices_save_button_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_deregister_toolbox_handler(-1, ECD_EncodingMenuBt, choices_encoding_button_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_deregister_toolbox_handler(-1, ECD_ColourButton, choices_colour_button_handler, NULL);
if (e) {show_error_ret(e); return 1;}
return 1;
}
/*************************************************/
/* choices_radio_click_handler() */
/* */
/* Shows the appropriate subwindow when a radio */
/* button in the choices dialogue is clicked on */
/* */
/* Parameters are as standard for a Toolbox */
/* event handler. */
/*************************************************/
static int choices_radio_click_handler(int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle)
{
ObjectId window;
switch(idb->self_component)
{
case CDBrowseDefaults : window = CDSubBrowseDefaults; break;
case CDWindows : window = CDSubWindows; break;
case CDColours : window = CDSubColours; break;
case CDFonts : window = CDSubFonts; break;
case CDHotlist : window = CDSubHotlist; break;
case CDHistory : window = CDSubHistory; break;
case CDSub6 : window = CDSubSub6; break;
case CDSub7 : window = CDSubSub7; break;
case CDSub8 : window = CDSubSub8; break;
default : window = CDNoSubwindows; break;
}
choices_show_subwindow(idb->self_id, window);
return 1;
}
/*************************************************/
/* choices_set_contents() */
/* */
/* Sets the contents of all choices subwindows */
/* to reflect the current state of the global */
/* choices. */
/* */
/* Returns: pointer to _kernel_oserror. */
/*************************************************/
static _kernel_oserror *choices_set_contents(void)
{
_kernel_oserror *e;
/* Check that the BrowseDefaults subwindow exists */
if (*(subwindows + CDSubBrowseDefaults))
{
RetError(writablefield_set_value(0, *(subwindows + CDSubBrowseDefaults), CD_Homepage, new_choices->home_page));
RetError(optionbutton_set_state(0, *(subwindows + CDSubBrowseDefaults), CD_UnderlineLinks, new_choices->underline_links));
RetError(optionbutton_set_state(0, *(subwindows + CDSubBrowseDefaults), CD_UseDocColours, new_choices->use_source_cols));
RetError(optionbutton_set_state(0, *(subwindows + CDSubBrowseDefaults), CD_ShowForeground, new_choices->show_foreground));
RetError(optionbutton_set_state(0, *(subwindows + CDSubBrowseDefaults), CD_ShowBackground, new_choices->show_background));
/* Get encoding name */
RetError(choices_set_encoding_field());
}
/* Check that the Windows subwindow exists */
if (*(subwindows + CDSubWindows))
{
RetError(optionbutton_set_state(0, *(subwindows + CDSubWindows), CD_URLBar, new_choices->url_bar));
RetError(optionbutton_set_state(0, *(subwindows + CDSubWindows), CD_StatusBar, new_choices->status_bar));
RetError(optionbutton_set_state(0, *(subwindows + CDSubWindows), CD_ButtonBar, new_choices->button_bar));
RetError(optionbutton_set_state(0, *(subwindows + CDSubWindows), CD_FullScreen, new_choices->full_screen));
}
if (*(subwindows + CDSubColours))
{
RetError(choices_colour_set_component(*(subwindows + CDSubColours), CD_BackColour, new_choices->background_colour));
RetError(choices_colour_set_component(*(subwindows + CDSubColours), CD_TextColour, new_choices->text_colour));
RetError(choices_colour_set_component(*(subwindows + CDSubColours), CD_LinkColour, new_choices->link_colour));
RetError(choices_colour_set_component(*(subwindows + CDSubColours), CD_UsedColour, new_choices->used_colour));
RetError(choices_colour_set_component(*(subwindows + CDSubColours), CD_FolwColour, new_choices->followed_colour));
RetError(choices_colour_set_component(*(subwindows + CDSubColours), CD_SlctColour, new_choices->selected_colour));
}
if (*(subwindows + CDSubHotlist))
{
RetError(numberrange_set_value(0, *(subwindows + CDSubHotlist), CD_HlAutoOpen, new_choices->auto_open_delay));
RetError(numberrange_set_value(0, *(subwindows + CDSubHotlist), CD_HlAutoScroll, new_choices->auto_scroll_delay));
RetError(choices_set_display_field(*(subwindows + CDSubHotlist), CD_HlDispDisp, new_choices->hotlist_show));
RetError(choices_set_save_field(*(subwindows + CDSubHotlist), CD_HlSaveDisp, new_choices->save_hotlist));
}
if (*(subwindows + CDSubHistory))
{
RetError(numberrange_set_value(0, *(subwindows + CDSubHistory), CD_HiLines, new_choices->v_hist_size));
RetError(numberrange_set_value(0, *(subwindows + CDSubHistory), CD_HiMaxSize, new_choices->g_hist_size));
RetError(choices_set_display_field(*(subwindows + CDSubHistory), CD_HiDispDisp, new_choices->show_urls));
RetError(choices_set_save_field(*(subwindows + CDSubHistory), CD_HiSaveDisp, new_choices->save_history));
}
return NULL;
}
/*************************************************/
/* choices_get_contents() */
/* */
/* Sets the state of the global choices to */
/* reflect the contents of all the choices */
/* subwindows. */
/* */
/* Returns: pointer to _kernel_oserror */
/*************************************************/
static _kernel_oserror *choices_get_contents(void)
{
_kernel_oserror *e;
int state;
char *tempstring;
int reqsize;
/* Check that the BrowseDefaults subwindow exists */
if (*(subwindows + CDSubBrowseDefaults))
{
RetError(writablefield_get_value(0, *(subwindows + CDSubBrowseDefaults), CD_Homepage, NULL, 0, &reqsize));
tempstring = malloc(reqsize+1);
if (tempstring)
{
RetError(writablefield_get_value(0, *(subwindows + CDSubBrowseDefaults), CD_Homepage, tempstring, reqsize, NULL));
if (!strcmp(tempstring, new_choices->home_page))
{
free(tempstring);
}
else
{
free(new_choices->home_page);
new_choices->home_page = tempstring;
}
}
else
{
show_error_ret(make_no_memory_error(100)); //
}
RetError(optionbutton_get_state(0, *(subwindows + CDSubBrowseDefaults), CD_UnderlineLinks, &state));
new_choices->underline_links = !!state;
RetError(optionbutton_get_state(0, *(subwindows + CDSubBrowseDefaults), CD_UseDocColours, &state));
new_choices->use_source_cols = !!state;
RetError(optionbutton_get_state(0, *(subwindows + CDSubBrowseDefaults), CD_ShowForeground, &state));
new_choices->show_foreground = !!state;
RetError(optionbutton_get_state(0, *(subwindows + CDSubBrowseDefaults), CD_ShowBackground, &state));
new_choices->show_background = !!state;
}
/* Check that the Windows subwindow exists */
if (*(subwindows + CDSubWindows))
{
RetError(optionbutton_get_state(0, *(subwindows + CDSubWindows), CD_URLBar, &state));
new_choices->url_bar = !!state;
RetError(optionbutton_get_state(0, *(subwindows + CDSubWindows), CD_StatusBar, &state));
new_choices->status_bar = !!state;
RetError(optionbutton_get_state(0, *(subwindows + CDSubWindows), CD_ButtonBar, &state));
new_choices->button_bar = !!state;
RetError(optionbutton_get_state(0, *(subwindows + CDSubWindows), CD_FullScreen, &state));
new_choices->full_screen = !!state;
}
if (*(subwindows + CDSubHotlist))
{
RetError(numberrange_get_value(0, *(subwindows + CDSubHotlist), CD_HlAutoOpen, &new_choices->auto_open_delay));
RetError(numberrange_get_value(0, *(subwindows + CDSubHotlist), CD_HlAutoScroll, &new_choices->auto_scroll_delay));
}
if (*(subwindows + CDSubHistory))
{
RetError(numberrange_get_value(0, *(subwindows + CDSubHistory), CD_HiLines, &new_choices->v_hist_size));
RetError(numberrange_get_value(0, *(subwindows + CDSubHistory), CD_HiMaxSize, &new_choices->g_hist_size));
}
memcpy(&choices, new_choices, sizeof(global_choices));
return NULL;
}
/*************************************************/
/* choices_set_button_handler() */
/* */
/* Called when the set button in the main */
/* choices dialogue is clicked. */
/* Uses choices_get_contents to set the global */
/* choices to reflect the choices set in the */
/* choices subwindows */
/* */
/* Parameters are as standard for a Toolbox */
/* event handler. */
/*************************************************/
static int choices_set_button_handler(int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle)
{
_kernel_oserror *e = NULL;
e = choices_get_contents();
if (e) show_error_ret(e);
return 1;
}
/*************************************************/
/* choices_cancel_button_handler() */
/* */
/* Called when the cancel button in the main */
/* choices dialogue is clicked. */
/* Uses choices_set_contents to restore the */
/* subwindows to their previous state. */
/* */
/* Parameters are as standard for a Toolbox */
/* event handler. */
/*************************************************/
static int choices_cancel_button_handler(int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle)
{
_kernel_oserror *e = NULL;
memcpy(new_choices, &choices, sizeof(global_choices));
choices_set_contents();
if (e) show_error_ret(e);
return 1;
}
/*************************************************/
/* choices_save_button_handler() */
/* */
/* Called when the set button in the main */
/* choices dialogue is clicked. */
/* Uses choices_get_contents to set the global */
/* choices to reflect the choices set in the */
/* choices subwindows and then saves the choices */
/* file. */
/* */
/* Parameters are as standard for a Toolbox */
/* event handler. */
/*************************************************/
static int choices_save_button_handler(int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle)
{
_kernel_oserror *e = NULL;
e = choices_get_contents();
if (e)
{
show_error_ret(e);
return 1;
}
e = save_save_choices(NULL);
if (e) show_error_ret(e);
return 1;
}
/*************************************************/
/* choices_set_encoding_field() */
/* */
/* Sets the encoding display field appropriately */
/* to reflect the current state of */
/* new_choices->encoding */
/*************************************************/
_kernel_oserror * choices_set_encoding_field(void)
{
_kernel_oserror *e;
ObjectId objid;
ComponentId compid;
char *textptr;
int sizereqd;
/* Find menu item which contains encoding name */
if (encoding_get_encoding_item(new_choices->encoding, &objid, &compid))
{
RetError(menu_get_entry_text(0, objid, compid, NULL, 0, &sizereqd));
/* Add 1 to the buffer size just incase the sizereqd field is returned as string */
/* length rather than the buffer size required. Typical paranoid precautions */
/* when using the toolbox. */
textptr = malloc(sizereqd+1);
if (textptr)
{
e = menu_get_entry_text(0, objid, compid, textptr, sizereqd+1, NULL);
if (e)
{
free(textptr);
return e;
}
e = displayfield_set_value(0, *(subwindows + CDSubBrowseDefaults), CD_EncodingDisply, textptr);
free(textptr);
if (e)
{
return e;
}
}
else
{
RetError(make_no_memory_error(101)); //
}
}
else
{
/* The encoding name could not be found in the menu structure */
RetError(displayfield_set_value(0, *(subwindows + CDSubBrowseDefaults), CD_EncodingDisply, "Unknown encoding")); //
}
return NULL;
}
/*************************************************/
/* choices_encoding_button_handler() */
/* */
/* Opens the encoding window with appropriate */
/* values for the choices dialogue. */
/*************************************************/
static int choices_encoding_button_handler(int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle)
{
_kernel_oserror *e;
int position[2];
BBox box;
WimpGetWindowStateBlock state;
e = gadget_get_bbox(0, idb->self_id, idb->self_component, &box);
if (e)
{
show_error_ret(e);
return 1;
}
e = window_get_wimp_handle(0, idb->self_id, &state.window_handle);
if (e)
{
show_error_ret(e);
return 1;
}
e = wimp_get_window_state(&state);
if (e)
{
show_error_ret(e);
return 1;
}
/* Set open coordinates of encoding menu to top left of encoding button */
position[0] = coords_x_toscreen(box.xmax, (WimpRedrawWindowBlock*)&state);
position[1] = coords_y_toscreen(box.ymax, (WimpRedrawWindowBlock*)&state);
show_error_ret(toolbox_show_object(Toolbox_ShowObject_AsMenu,
encoding_get_menuid(),
Toolbox_ShowObject_TopLeft,
position,
choices_windowid,
NULL));
return 1;
}
/*************************************************/
/* choices_colour_button_handler() */
/* */
/* Opens a colour dialogue box with appropriate */
/* settings for the current colour. */
/*************************************************/
static int choices_colour_button_handler(int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle)
{
_kernel_oserror *e;
int position[2];
BBox box;
WimpGetWindowStateBlock state;
int colour[2];
switch(idb->self_component)
{
case CD_BackColourBt: colour[0] = new_choices->background_colour; break;
case CD_TextColourBt: colour[0] = new_choices->text_colour; break;
case CD_LinkColourBt: colour[0] = new_choices->link_colour; break;
case CD_UsedColourBt: colour[0] = new_choices->used_colour; break;
case CD_FolwColourBt: colour[0] = new_choices->followed_colour; break;
case CD_SlctColourBt: colour[0] = new_choices->selected_colour; break;
default:
return 1;
break;
}
colour[1] = 0;
e = gadget_get_bbox(0, idb->self_id, idb->self_component, &box);
if (e)
{
show_error_ret(e);
return 1;
}
e = window_get_wimp_handle(0, idb->self_id, &state.window_handle);
if (e)
{
show_error_ret(e);
return 1;
}
e = wimp_get_window_state(&state);
if (e)
{
show_error_ret(e);
return 1;
}
/* Set open coordinates of encoding menu to top left of encoding button */
position[0] = coords_x_toscreen(box.xmax, (WimpRedrawWindowBlock*)&state);
position[1] = coords_y_toscreen(box.ymax, (WimpRedrawWindowBlock*)&state);
e = toolbox_create_object(0, "ColourDbox", &colourdbox_id);
if (e)
{
show_error_ret(e);
return 1;
}
e = colourdbox_set_colour(0, colourdbox_id, colour);
if (e)
{
show_error_ret(e);
return 1;
}
show_error_ret(toolbox_show_object(Toolbox_ShowObject_AsMenu,
colourdbox_id,
Toolbox_ShowObject_TopLeft,
position,
idb->self_id,
idb->self_component));
e = event_register_toolbox_handler(colourdbox_id, ColourDbox_DialogueCompleted, choices_colour_closed_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_register_toolbox_handler(colourdbox_id, ColourDbox_ColourSelected, choices_colour_selected_handler, NULL);
if (e) {show_error_ret(e); return 1;}
return 1;
}
/*************************************************/
/* choices_colour_closed_handler() */
/* */
/* Called when the colour dialogue box is closed */
/* deregisters all events attached to it and */
/* deletes the dbox object. */
/*************************************************/
static int choices_colour_closed_handler(int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle)
{
_kernel_oserror *e;
e = event_deregister_toolbox_handler(idb->self_id, ColourDbox_DialogueCompleted, choices_colour_closed_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = event_deregister_toolbox_handler(colourdbox_id, ColourDbox_ColourSelected, choices_colour_selected_handler, NULL);
if (e) {show_error_ret(e); return 1;}
e = toolbox_delete_object(0, idb->self_id);
if (e) {show_error_ret(e); return 1;}
#ifdef TRACE
Printf("Colour dbox deleted\n");
#endif
return 1;
}
/*************************************************/
/* choices_colour_closed_handler() */
/* */
/* Called when the a colour is selected in the */
/* colour dialogue box. */
/* Sets appropriate fields in the new_choices */
/* structure and updates the window to reflect */
/* the new colour chosen. */
/*************************************************/
static int choices_colour_selected_handler(int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle)
{
ColourDboxColourSelectedEvent *cevent = (ColourDboxColourSelectedEvent*)event;
switch(idb->parent_component)
{
case CD_BackColourBt: new_choices->background_colour = cevent->colour_block[0]; break;
case CD_TextColourBt: new_choices->text_colour = cevent->colour_block[0]; break;
case CD_LinkColourBt: new_choices->link_colour = cevent->colour_block[0]; break;
case CD_UsedColourBt: new_choices->used_colour = cevent->colour_block[0]; break;
case CD_FolwColourBt: new_choices->followed_colour = cevent->colour_block[0]; break;
case CD_SlctColourBt: new_choices->selected_colour = cevent->colour_block[0]; break;
default:
return 1;
break;
}
show_error_ret(choices_colour_set_component(idb->parent_id, idb->parent_component-1, cevent->colour_block[0]));
return 1;
}
/*************************************************/
/* choices_colour_closed_handler() */
/* */
/* Sets the validation string of a button to be */
/* slabbed in and have the background colour */
/* specified. */
/* */
/* Parameters: window ObjectId */
/* */
/* button ComponentId */
/* */
/* colour */
/*************************************************/
static _kernel_oserror *choices_colour_set_component(ObjectId window, ComponentId component, int colour)
{
char newvalidation[32];
unsigned char *newcol;
newcol = (unsigned char*)&colour;
sprintf(newvalidation, "R2;C/%02.2x%02.2x%02.2x", *(newcol+3), *(newcol+2), *(newcol+1));
return button_set_validation(0, window, component, newvalidation);
}
/*************************************************/
/* choices_display_button_handler() */
/* */
/* Opens the display menu with a value */
/* appropriate to either the hotlist or history. */
/*************************************************/
static int choices_display_m_button_handler(int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle)
{
_kernel_oserror *e;
int position[2];
BBox box;
WimpGetWindowStateBlock state;
ObjectId display;
int new_tick;
e = gadget_get_bbox(0, idb->self_id, idb->self_component, &box);
if (e)
{
show_error_ret(e);
return 1;
}
e = window_get_wimp_handle(0, idb->self_id, &state.window_handle);
if (e)
{
show_error_ret(e);
return 1;
}
e = wimp_get_window_state(&state);
if (e)
{
show_error_ret(e);
return 1;
}
/* Set open coordinates of display menu to top left of display button */
position[0] = coords_x_toscreen(box.xmax, (WimpRedrawWindowBlock*)&state);
position[1] = coords_y_toscreen(box.ymax, (WimpRedrawWindowBlock*)&state);
e = toolbox_create_object(0, "ChDisplay", &display);
if (e)
{
show_error_ret(e);
return 1;
}
switch(idb->self_component)
{
case CD_HlDispBt: new_tick = new_choices->hotlist_show; break;
case CD_HiDispBt: new_tick = new_choices->show_urls; break;
default: new_tick = 0; break;
}
if (disp_ticked != new_tick)
{
if (disp_ticked != -1) menu_set_tick(0, display, disp_ticked, 0);
menu_set_tick(0, display, new_tick, 1);
disp_ticked = new_tick;
}
show_error_ret(toolbox_show_object(Toolbox_ShowObject_AsMenu,
display,
Toolbox_ShowObject_TopLeft,
position,
idb->self_id,
idb->self_component));
return 1;
}
/*************************************************/
/* choices_save_button_handler() */
/* */
/* Opens the save menu with a value appropriate */
/* to either the hotlist or history. */
/*************************************************/
static int choices_save_m_button_handler(int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle)
{
_kernel_oserror *e;
int position[2];
BBox box;
WimpGetWindowStateBlock state;
ObjectId display;
int new_tick;
e = gadget_get_bbox(0, idb->self_id, idb->self_component, &box);
if (e)
{
show_error_ret(e);
return 1;
}
e = window_get_wimp_handle(0, idb->self_id, &state.window_handle);
if (e)
{
show_error_ret(e);
return 1;
}
e = wimp_get_window_state(&state);
if (e)
{
show_error_ret(e);
return 1;
}
/* Set open coordinates of display menu to top left of display button */
position[0] = coords_x_toscreen(box.xmax, (WimpRedrawWindowBlock*)&state);
position[1] = coords_y_toscreen(box.ymax, (WimpRedrawWindowBlock*)&state);
e = toolbox_create_object(0, "ChSave", &display);
if (e)
{
show_error_ret(e);
return 1;
}
switch(idb->self_component)
{
case CD_HlSaveBt: new_tick = new_choices->save_hotlist; break;
case CD_HiSaveBt: new_tick = new_choices->save_history; break;
default: new_tick = 0; break;
}
if (save_ticked != new_tick)
{
if (save_ticked != -1) menu_set_tick(0, display, save_ticked, 0);
menu_set_tick(0, display, new_tick, 1);
save_ticked = new_tick;
}
show_error_ret(toolbox_show_object(Toolbox_ShowObject_AsMenu,
display,
Toolbox_ShowObject_TopLeft,
position,
idb->self_id,
idb->self_component));
return 1;
}
/*************************************************/
/* choices_set_save_field() */
/* */
/* Sets the passed save display field */
/* appropriately to reflect the passed state. */
/*************************************************/
static _kernel_oserror * choices_set_save_field(ObjectId obj, ComponentId comp, int state)
{
_kernel_oserror *e;
ObjectId menu_id;
int reqdsize;
char *tempstring;
#ifdef TRACE
Printf("called: choices_set_display_field\n");
#endif
RetError(toolbox_create_object(0, "ChSave", &menu_id));
RetError(menu_get_entry_text(0, menu_id, state, NULL, 0, &reqdsize));
tempstring = malloc(reqdsize+1);
if (!tempstring) return make_no_memory_error(100); //
RetError(menu_get_entry_text(0, menu_id, state, tempstring, reqdsize+1, NULL));
e = displayfield_set_value(0, obj, comp, tempstring);
free(tempstring);
return e;
}
/*************************************************/
/* choices_set_display_field() */
/* */
/* Sets the passed display display field */
/* appropriately to reflect the passed state. */
/*************************************************/
static _kernel_oserror * choices_set_display_field(ObjectId obj, ComponentId comp, int state)
{
_kernel_oserror *e;
ObjectId menu_id;
int reqdsize;
char *tempstring;
#ifdef TRACE
Printf("called: choices_set_display_field\n");
#endif
RetError(toolbox_create_object(0, "ChDisplay", &menu_id));
RetError(menu_get_entry_text(0, menu_id, state, NULL, 0, &reqdsize));
tempstring = malloc(reqdsize+1);
if (!tempstring) return make_no_memory_error(100); //
RetError(menu_get_entry_text(0, menu_id, state, tempstring, reqdsize+1, NULL));
e = displayfield_set_value(0, obj, comp, tempstring);
free(tempstring);
return e;
}
/*************************************************/
/* choices_display_m_click_handler() */
/* */
/*************************************************/
static int choices_display_m_click_handler(int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle)
{
if (disp_ticked != idb->self_component)
{
if (disp_ticked != -1) menu_set_tick(0, idb->self_id, disp_ticked, 0);
menu_set_tick(0, idb->self_id, idb->self_component, 1);
disp_ticked = idb->self_component;
}
switch(idb->parent_component)
{
case CD_HlDispBt:
new_choices->hotlist_show = idb->self_component;
break;
case CD_HiDispBt:
new_choices->show_urls = idb->self_component;
break;
}
choices_set_display_field(idb->parent_id, idb->parent_component - 1, idb->self_component);
return 1;
}
/*************************************************/
/* choices_save_m_click_handler() */
/* */
/*************************************************/
static int choices_save_m_click_handler(int eventcode, ToolboxEvent * event, IdBlock * idb, void * handle)
{
if (save_ticked != idb->self_component)
{
if (save_ticked != -1) menu_set_tick(0, idb->self_id, save_ticked, 0);
menu_set_tick(0, idb->self_id, idb->self_component, 1);
save_ticked = idb->self_component;
}
switch(idb->parent_component)
{
case CD_HlSaveBt:
new_choices->save_hotlist = idb->self_component;
break;
case CD_HiSaveBt:
new_choices->save_history = idb->self_component;
break;
}
choices_set_save_field(idb->parent_id, idb->parent_component - 1, idb->self_component);
return 1;
}