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netsurf/frontends/riscos/gui/button_bar.c
Vincent Sanders 75018632a9 Use coccinelle to change logging macro calls in c files 
for F in $(git ls-files '*.c');do spatch --sp-file foo.cocci --in-place ${F};done

@@ expression E; @@
-LOG(E);
+NSLOG(netsurf, INFO, E);
@@ expression E, E1; @@
-LOG(E, E1);
+NSLOG(netsurf, INFO, E, E1);
@@ expression E, E1, E2; @@
-LOG(E, E1, E2);
+NSLOG(netsurf, INFO, E, E1, E2);
@@ expression E, E1, E2, E3; @@
-LOG(E, E1, E2, E3);
+NSLOG(netsurf, INFO, E, E1, E2, E3);
@@ expression E, E1, E2, E3, E4; @@
-LOG(E, E1, E2, E3, E4);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4);
@@ expression E, E1, E2, E3, E4, E5; @@
-LOG(E, E1, E2, E3, E4, E5);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5);
@@ expression E, E1, E2, E3, E4, E5, E6; @@
-LOG(E, E1, E2, E3, E4, E5, E6);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6);
@@ expression E, E1, E2, E3, E4, E5, E6, E7; @@
-LOG(E, E1, E2, E3, E4, E5, E6, E7);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6, E7);
2017-09-06 18:45:27 +01:00

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/*
* Copyright 2004, 2005 Richard Wilson <info@tinct.net>
* Copyright 2011 Stephen Fryatt <stevef@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
* Button bars (implementation).
*/
#include <assert.h>
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <oslib/dragasprite.h>
#include <oslib/os.h>
#include <oslib/osspriteop.h>
#include <oslib/wimp.h>
#include <oslib/wimpspriteop.h>
#include "utils/log.h"
#include "riscos/gui/button_bar.h"
#include "riscos/gui.h"
#include "riscos/mouse.h"
#include "riscos/theme.h"
#include "riscos/wimp.h"
#define BUTTONBAR_SPRITE_NAME_LENGTH 12
#define BUTTONBAR_VALIDATION_LENGTH 40
struct button_bar_button {
wimp_i icon;
bool shaded;
bool separator;
button_bar_action select_action;
button_bar_action adjust_action;
int x_pos, y_pos;
int x_size, y_size;
char sprite[BUTTONBAR_SPRITE_NAME_LENGTH];
char validation[BUTTONBAR_VALIDATION_LENGTH];
char opt_key;
const char *help_suffix;
struct button_bar_button *bar_next;
struct button_bar_button *next;
};
struct button_bar {
/** The applied theme (or NULL to use the default) */
struct theme_descriptor *theme;
/** The widget dimensions. */
int x_min, y_min;
int separator_width;
int vertical_offset;
bool separators;
/** The window details and bar position. */
wimp_w window;
os_box extent;
osspriteop_area *sprites;
int background;
bool hidden;
bool edit;
struct button_bar *edit_target;
struct button_bar *edit_source;
void (*edit_refresh)(void *);
void *edit_client_data;
/** The list of all the defined buttons. */
struct button_bar_button *buttons;
/** The list of the buttons in the current bar. */
struct button_bar_button *bar;
};
static char null_text_string[] = "";
static char separator_name[] = "separator";
static struct button_bar *drag_start = NULL;
static char drag_opt = '\0';
static bool drag_separator = false;
/*
* Private function prototypes.
*/
static bool ro_gui_button_bar_place_buttons(struct button_bar *button_bar);
static bool ro_gui_button_bar_icon_update(struct button_bar *button_bar);
static bool ro_gui_button_bar_icon_resize(struct button_bar *button_bar);
static void ro_gui_button_bar_drag_end(wimp_dragged *drag, void *data);
static void ro_gui_button_bar_sync_editors(struct button_bar *target,
struct button_bar *source);
static struct button_bar_button *ro_gui_button_bar_find_icon(
struct button_bar *button_bar, wimp_i icon);
static struct button_bar_button *ro_gui_button_bar_find_opt_key(
struct button_bar *button_bar, char opt_key);
static struct button_bar_button *ro_gui_button_bar_find_action(
struct button_bar *button_bar, button_bar_action action);
static struct button_bar_button *ro_gui_button_bar_find_coords(
struct button_bar *button_bar, os_coord pos,
bool *separator, bool *right);
/* This is an exported interface documented in button_bar.h */
struct button_bar *ro_gui_button_bar_create(struct theme_descriptor *theme,
const struct button_bar_buttons buttons[])
{
struct button_bar *button_bar;
struct button_bar_button *icon, *new_icon;
int def;
/* Allocate memory. */
button_bar = malloc(sizeof(struct button_bar));
if (button_bar == NULL) {
NSLOG(netsurf, INFO, "No memory for malloc()");
return NULL;
}
/* Set up default parameters. */
button_bar->theme = theme;
button_bar->sprites = ro_gui_theme_get_sprites(theme);
button_bar->background = wimp_COLOUR_VERY_LIGHT_GREY;
button_bar->x_min = -1;
button_bar->y_min = -1;
button_bar->separator_width = 0;
button_bar->vertical_offset = 0;
button_bar->separators = false;
button_bar->window = NULL;
button_bar->hidden = false;
button_bar->edit = false;
button_bar->edit_target = NULL;
button_bar->edit_source = NULL;
button_bar->edit_refresh = NULL;
button_bar->edit_client_data = NULL;
button_bar->buttons = NULL;
/* Process the button icon definitions */
icon = NULL;
for (def = 0; buttons[def].icon != NULL; def++) {
new_icon = malloc(sizeof(struct button_bar_button));
if (new_icon == NULL) {
break;
}
if (icon == NULL) {
button_bar->buttons = new_icon;
button_bar->bar = new_icon;
} else {
icon->next = new_icon;
icon->bar_next = new_icon;
}
icon = new_icon;
icon->next = NULL;
icon->bar_next = NULL;
strncpy(icon->sprite, buttons[def].icon,
BUTTONBAR_SPRITE_NAME_LENGTH);
snprintf(icon->validation, BUTTONBAR_VALIDATION_LENGTH,
"R5;S%s,p%s", icon->sprite, icon->sprite);
icon->icon = -1;
icon->shaded = false;
icon->separator = false;
icon->select_action = buttons[def].select;
icon->adjust_action = buttons[def].adjust;
icon->opt_key = buttons[def].opt_key;
icon->help_suffix = buttons[def].help;
}
/* Add a separator after the last entry. This will be lost if the
* buttons are subsequently set, but is used for the edit source bar.
*/
if (icon != NULL)
icon->separator = true;
return button_bar;
}
/* This is an exported interface documented in button_bar.h */
bool ro_gui_button_bar_link_editor(struct button_bar *target,
struct button_bar *source, void (* refresh)(void *),
void *client_data)
{
if (target == NULL || source == NULL ||
target->edit_target != NULL ||
target->edit_source != NULL ||
source->edit_target != NULL ||
source->edit_source != NULL)
return false;
target->edit_source = source;
source->edit_target = target;
/* Store the callback data in the editor bar. */
source->edit_refresh = refresh;
source->edit_client_data = client_data;
return true;
}
/* This is an exported interface documented in button_bar.h */
bool ro_gui_button_bar_rebuild(struct button_bar *button_bar,
struct theme_descriptor *theme, theme_style style,
wimp_w window, bool edit)
{
struct button_bar_button *button;
int height;
if (button_bar == NULL)
return false;
button_bar->theme = theme;
button_bar->window = window;
button_bar->sprites = ro_gui_theme_get_sprites(theme);
button_bar->background = ro_gui_theme_get_style_element(theme, style,
THEME_ELEMENT_BACKGROUND);
button_bar->edit = edit;
height = 0;
button_bar->separator_width = 16;
ro_gui_wimp_get_sprite_dimensions(button_bar->sprites, separator_name,
&button_bar->separator_width, &height);
/* If the separator height is 0, then either the sprite really is
* zero pixels high or the default was used as no sprite was found.
* Either way, we don't have a separator.
*/
button_bar->separators = (height == 0) ? false : true;
button = button_bar->buttons;
while (button != NULL) {
button->x_size = 0;
button->y_size = 0;
button->icon = -1;
ro_gui_wimp_get_sprite_dimensions(button_bar->sprites,
button->sprite,
&button->x_size, &button->y_size);
button = button->next;
}
if (!ro_gui_button_bar_place_buttons(button_bar))
return false;
if (button_bar->edit && button_bar->edit_target != NULL)
ro_gui_button_bar_sync_editors(button_bar->edit_target,
button_bar);
return ro_gui_button_bar_icon_update(button_bar);
}
/* This is an exported interface documented in button_bar.h */
bool ro_gui_button_bar_arrange_buttons(struct button_bar *button_bar,
char order[])
{
struct button_bar_button *button, *new;
int i;
if (button_bar == NULL || order == NULL)
return false;
/* Delete any existing button arrangement. */
button_bar->bar = NULL;
for (button = button_bar->buttons; button != NULL;
button = button->next) {
button->bar_next = NULL;
button->separator = false;
}
/* Parse the config string and link up the new buttons. */
button = NULL;
for (i = 0; order[i] != '\0'; i++) {
if (order[i] != '|') {
new = ro_gui_button_bar_find_opt_key(button_bar,
order[i]);
if (new != NULL) {
if (button == NULL)
button_bar->bar = new;
else
button->bar_next = new;
button = new;
}
} else {
if (button != NULL)
button->separator = true;
}
}
if (!ro_gui_button_bar_place_buttons(button_bar))
return false;
return ro_gui_button_bar_place_buttons(button_bar);
}
/**
* Place the buttons on a button bar, taking into account the button arrangement
* and the current theme, and update the bar extent details.
*
* \param *button_bar The button bar to update.
* \return true if successful; else false.
*/
bool ro_gui_button_bar_place_buttons(struct button_bar *button_bar)
{
struct button_bar_button *button;
int x_pos, y_pos, height;
if (button_bar == NULL)
return false;
button = button_bar->bar;
x_pos = 0;
y_pos = 0;
height = 0;
while (button != NULL) {
button->x_pos = x_pos;
button->y_pos = y_pos;
x_pos += button->x_size;
if (button->separator)
x_pos += button_bar->separator_width;
if (button->y_size > height)
height = button->y_size;
button = button->bar_next;
}
button_bar->x_min = x_pos;
button_bar->y_min = height;
return true;
}
/* This is an exported interface documented in button_bar.h */
void ro_gui_button_bar_destroy(struct button_bar *button_bar)
{
struct button_bar_button *button;
if (button_bar == NULL)
return;
/* Free the button definitions. */
while (button_bar->buttons != NULL) {
button = button_bar->buttons;
button_bar->buttons = button->next;
free(button);
}
free(button_bar);
}
/* This is an exported interface documented in button_bar.h */
bool ro_gui_button_bar_get_dims(struct button_bar *button_bar,
int *width, int *height)
{
if (button_bar == NULL)
return false;
if (button_bar->x_min != -1 && button_bar->y_min != -1) {
if (width != NULL)
*width = button_bar->x_min;
if (height != NULL)
*height = button_bar->y_min;
return true;
}
return false;
}
/* This is an exported interface documented in button_bar.h */
bool ro_gui_button_bar_set_extent(struct button_bar *button_bar,
int x0, int y0, int x1, int y1)
{
if (button_bar == NULL)
return false;
if ((x1 - x0) < button_bar->x_min || (y1 - y0) < button_bar->y_min)
return false;
if (button_bar->extent.x0 == x0 && button_bar->extent.y0 == y0 &&
button_bar->extent.x1 == x1 &&
button_bar->extent.y1 == y1)
return true;
/* Redraw the relevant bits of the toolbar. We can't optimise for
* stretching the X-extent, as this probably means the button
* arrangement has changed which necessitates a full redraw anyway.
*/
if (button_bar->window != NULL) {
xwimp_force_redraw(button_bar->window,
button_bar->extent.x0, button_bar->extent.y0,
button_bar->extent.x1, button_bar->extent.y1);
xwimp_force_redraw(button_bar->window, x0, y0, x1, y1);
}
button_bar->extent.x0 = x0;
button_bar->extent.y0 = y0;
button_bar->extent.x1 = x1;
button_bar->extent.y1 = y1;
if ((y1 - y0) > button_bar->y_min)
button_bar->vertical_offset =
((y1 - y0) - button_bar->y_min) / 2;
else
button_bar->vertical_offset = 0;
return ro_gui_button_bar_icon_resize(button_bar);
}
/**
* Update the icons on a button bar, creating or deleting them from the window
* as necessary.
*/
bool ro_gui_button_bar_icon_update(struct button_bar *button_bar)
{
wimp_icon_create icon;
struct button_bar_button *button, *b;
os_error *error;
if (button_bar == NULL || button_bar->window == NULL)
return (button_bar == NULL) ? false : true;
button = button_bar->buttons;
while (button != NULL) {
bool on_bar = false;
/* Check if the icon is currently on the bar. */
for (b = button_bar->bar; b != NULL; b = b->bar_next) {
if (b == button) {
on_bar = true;
break;
}
}
if (on_bar && !button_bar->hidden && button->icon == -1) {
icon.w = button_bar->window;
icon.icon.extent.x0 = 0;
icon.icon.extent.y0 = 0;
icon.icon.extent.x1 = 0;
icon.icon.extent.y1 = 0;
icon.icon.flags = wimp_ICON_TEXT | wimp_ICON_SPRITE |
wimp_ICON_INDIRECTED |
wimp_ICON_HCENTRED |
wimp_ICON_VCENTRED |
(button_bar->background
<< wimp_ICON_BG_COLOUR_SHIFT);
icon.icon.data.indirected_text.size = 1;
/* We don't actually shade buttons unless there's no
* editor active or this is the source bar.
*/
if (button->shaded && (!button_bar->edit ||
button_bar->edit_target != NULL))
icon.icon.flags |= wimp_ICON_SHADED;
if (button_bar->edit)
icon.icon.flags |= (wimp_BUTTON_CLICK_DRAG <<
wimp_ICON_BUTTON_TYPE_SHIFT);
else
icon.icon.flags |= (wimp_BUTTON_CLICK <<
wimp_ICON_BUTTON_TYPE_SHIFT);
icon.icon.data.indirected_text.text = null_text_string;
icon.icon.data.indirected_text.validation =
button->validation;
error = xwimp_create_icon(&icon, &button->icon);
if (error) {
NSLOG(netsurf, INFO,
"xwimp_create_icon: 0x%x: %s",
error->errnum,
error->errmess);
ro_warn_user("WimpError", error->errmess);
button->icon = -1;
return false;
}
} else if ((!on_bar || button_bar->hidden)
&& button->icon != -1) {
error = xwimp_delete_icon(button_bar->window,
button->icon);
if (error != NULL) {
NSLOG(netsurf, INFO,
"xwimp_delete_icon: 0x%x: %s",
error->errnum,
error->errmess);
ro_warn_user("WimpError", error->errmess);
return false;
}
button->icon = -1;
}
button = button->next;
}
return ro_gui_button_bar_icon_resize(button_bar);
}
/**
* Position the icons in the button bar to take account of the currently
* configured extent.
*
* \param *button_bar The button bar to update.
* \return true if successful; else false.
*/
bool ro_gui_button_bar_icon_resize(struct button_bar *button_bar)
{
os_error *error;
struct button_bar_button *button;
if (button_bar == NULL || button_bar->hidden)
return (button_bar == NULL) ? false : true;
/* Reposition all the icons. */
button = button_bar->bar;
while (button != NULL) {
if(button->icon != -1) {
error = xwimp_resize_icon(button_bar->window,
button->icon,
button_bar->extent.x0 + button->x_pos,
button_bar->extent.y0 +
button_bar->vertical_offset +
button->y_pos,
button_bar->extent.x0 + button->x_pos +
button->x_size,
button_bar->extent.y0 +
button_bar->vertical_offset +
button->y_pos +
button->y_size);
if (error != NULL) {
NSLOG(netsurf, INFO,
"xwimp_resize_icon: 0x%x: %s",
error->errnum,
error->errmess);
ro_warn_user("WimpError", error->errmess);
button->icon = -1;
return false;
}
}
button = button->bar_next;
}
return true;
}
/* This is an exported interface documented in button_bar.h */
bool ro_gui_button_bar_hide(struct button_bar *button_bar, bool hide)
{
if (button_bar == NULL || button_bar->hidden == hide)
return (button_bar == NULL) ? false : true;
button_bar->hidden = hide;
return ro_gui_button_bar_icon_update(button_bar);
}
/* This is an exported interface documented in button_bar.h */
bool ro_gui_button_bar_shade_button(struct button_bar *button_bar,
button_bar_action action, bool shaded)
{
struct button_bar_button *button;
if (button_bar == NULL)
return false;
button = ro_gui_button_bar_find_action(button_bar, action);
if (button == NULL)
return false;
if (button->shaded == shaded)
return true;
button->shaded = shaded;
/* We don't actually shade buttons unless there's no editor active
* or this is the source bar.
*/
if (button->icon != -1 &&
(!button_bar->edit || button_bar->edit_target != NULL))
ro_gui_set_icon_shaded_state(button_bar->window, button->icon,
shaded);
return true;
}
/* This is an exported interface documented in button_bar.h */
void ro_gui_button_bar_redraw(struct button_bar *button_bar,
wimp_draw *redraw)
{
wimp_icon icon;
struct button_bar_button *button;
/* Test for a valid button bar, and then check that the redraw box
* coincides with the bar's extent.
*/
if (button_bar == NULL || button_bar->hidden ||
(redraw->clip.x0 - (redraw->box.x0 - redraw->xscroll))
> button_bar->extent.x1 ||
(redraw->clip.y0 - (redraw->box.y1 - redraw->yscroll))
> button_bar->extent.y1 ||
(redraw->clip.x1 - (redraw->box.x0 - redraw->xscroll))
< button_bar->extent.x0 ||
(redraw->clip.y1 - (redraw->box.y1 - redraw->yscroll))
< button_bar->extent.y0 ||
(!button_bar->edit && !button_bar->separators))
return;
icon.flags = wimp_ICON_SPRITE | wimp_ICON_INDIRECTED |
wimp_ICON_HCENTRED | wimp_ICON_VCENTRED;
if (button_bar->edit)
icon.flags |= wimp_ICON_BORDER | wimp_COLOUR_DARK_GREY <<
wimp_ICON_FG_COLOUR_SHIFT;
if (!button_bar->separators)
icon.flags |= wimp_ICON_FILLED | wimp_COLOUR_LIGHT_GREY <<
wimp_ICON_BG_COLOUR_SHIFT;
icon.data.indirected_sprite.id = (osspriteop_id) separator_name;
icon.data.indirected_sprite.area = button_bar->sprites;
icon.data.indirected_sprite.size = 12;
icon.extent.y0 = button_bar->extent.y0 + button_bar->vertical_offset;
icon.extent.y1 = icon.extent.y0 + button_bar->y_min;
for (button = button_bar->bar; button != NULL;
button = button->bar_next) {
if (button->separator) {
icon.extent.x0 = button_bar->extent.x0 +
button->x_pos + button->x_size;
icon.extent.x1 = icon.extent.x0 +
button_bar->separator_width;
xwimp_plot_icon(&icon);
}
}
}
/* This is an exported interface documented in button_bar.h */
bool ro_gui_button_bar_click(struct button_bar *button_bar,
wimp_pointer *pointer, wimp_window_state *state,
button_bar_action *action)
{
struct button_bar_button *button;
os_coord pos;
os_box box;
if (button_bar == NULL || button_bar->hidden)
return false;
/* Check that the click was within our part of the window. */
pos.x = pointer->pos.x - state->visible.x0 + state->xscroll;
pos.y = pointer->pos.y - state->visible.y1 + state->yscroll;
if (pos.x < button_bar->extent.x0 || pos.x > button_bar->extent.x1 ||
pos.y < button_bar->extent.y0 ||
pos.y > button_bar->extent.y1)
return false;
if (button_bar->edit && pointer->buttons == wimp_DRAG_SELECT) {
/* This is an editor click, so we need to check for drags on
* icons (buttons) and work area (separators).
*/
button = ro_gui_button_bar_find_coords(button_bar, pos,
&drag_separator, NULL);
if (button != NULL && (!button->shaded || drag_separator ||
button_bar->edit_source != NULL)) {
char *sprite;
os_error *error;
drag_start = button_bar;
drag_opt = button->opt_key;
if (drag_separator) {
box.x0 = pointer->pos.x -
button_bar->separator_width / 2;
box.x1 = box.x0 + button_bar->separator_width;
sprite = separator_name;
} else {
box.x0 = pointer->pos.x - button->x_size / 2;
box.x1 = box.x0 + button->x_size;
sprite = button->sprite;
}
box.y0 = pointer->pos.y - button->y_size / 2;
box.y1 = box.y0 + button->y_size;
error = xdragasprite_start(dragasprite_HPOS_CENTRE |
dragasprite_VPOS_CENTRE |
dragasprite_BOUND_SPRITE |
dragasprite_BOUND_TO_WINDOW |
dragasprite_DROP_SHADOW,
button_bar->sprites,
sprite, &box, NULL);
if (error)
NSLOG(netsurf, INFO,
"xdragasprite_start: 0x%x: %s",
error->errnum,
error->errmess);
ro_mouse_drag_start(ro_gui_button_bar_drag_end,
NULL, NULL, NULL);
return true;
}
} else if (!button_bar->edit && pointer->i != -1 &&
(pointer->buttons == wimp_CLICK_SELECT ||
pointer->buttons == wimp_CLICK_ADJUST)) {
/* This isn't an editor click, so we're only interested in
* Select or Adjust clicks that occur on physical icons.
*/
button = ro_gui_button_bar_find_icon(button_bar, pointer->i);
if (button != NULL) {
if (action != NULL) {
switch (pointer->buttons) {
case wimp_CLICK_SELECT:
*action = button->select_action;
break;
case wimp_CLICK_ADJUST:
*action = button->adjust_action;
break;
default:
break;
}
}
return true;
}
}
return false;
}
/* This is an exported interface documented in button_bar.h */
bool ro_gui_button_bar_help_suffix(struct button_bar *button_bar, wimp_i i,
os_coord *mouse, wimp_window_state *state,
wimp_mouse_state buttons, const char **suffix)
{
os_coord pos;
struct button_bar_button *button;
if (button_bar == NULL || button_bar->hidden)
return false;
/* Check that the click was within our part of the window. */
pos.x = mouse->x - state->visible.x0 + state->xscroll;
pos.y = mouse->y - state->visible.y1 + state->yscroll;
if (pos.x < button_bar->extent.x0 || pos.x > button_bar->extent.x1 ||
pos.y < button_bar->extent.y0 ||
pos.y > button_bar->extent.y1)
return false;
/* Look up and return the help suffix assocuated with the button. */
button = ro_gui_button_bar_find_icon(button_bar, i);
if (button != NULL)
*suffix = button->help_suffix;
else
*suffix = "";
return true;
}
/**
* Terminate a drag event that was initiated by a button bar.
*
* \param *drag The drag event data.
* \param *data NULL data to satisfy callback syntax.
*/
void ro_gui_button_bar_drag_end(wimp_dragged *drag, void *data)
{
struct button_bar *drag_end = NULL;
struct button_bar *source = NULL, *target = NULL;
struct button_bar_button *button, *drop, *previous;
bool right, separator;
wimp_window_state state;
wimp_pointer pointer;
os_coord pos;
os_error *error;
xdragasprite_stop();
if (drag_start == NULL)
return;
/* Sort out the window coordinates of the drag end. */
error = xwimp_get_pointer_info(&pointer);
if (error) {
NSLOG(netsurf, INFO, "xwimp_get_pointer_info: 0x%x: %s",
error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
return;
}
assert(pointer.w = drag_start->window);
state.w = drag_start->window;
error = xwimp_get_window_state(&state);
if (error) {
NSLOG(netsurf, INFO, "xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
return;
}
pos.x = pointer.pos.x - state.visible.x0 + state.xscroll;
pos.y = pointer.pos.y - state.visible.y1 + state.yscroll;
/* Work out the destination bar, and establish source and target. */
if (drag_start->edit_target != NULL) {
source = drag_start;
target = drag_start->edit_target;
if (pos.x >= target->extent.x0 && pos.x <= target->extent.x1 &&
pos.y >= target->extent.y0 &&
pos.y <= target->extent.y1)
drag_end = target;
} else if (drag_start->edit_source != NULL) {
source = drag_start->edit_source;
target = drag_start;
if (pos.x >= target->extent.x0 && pos.x <= target->extent.x1 &&
pos.y >= target->extent.y0 &&
pos.y <= target->extent.y1)
drag_end = target;
/* drag_end == source and drag_end == NULL are both equivalent
* as far as the following code are concerned, and we don't need
* to identify either case. */
}
button = ro_gui_button_bar_find_opt_key(target, drag_opt);
assert(button != NULL);
/* The drag finished in the target bar, so find out where. */
if (drag_end == target) {
drop = ro_gui_button_bar_find_coords(target, pos,
&separator, &right);
} else {
drop = NULL;
}
/* If the button is dropped on itself, there's no change and it's
* less messy to get out now.
*/
if (drag_start == target && drag_end == target && button == drop) {
drag_start = NULL;
return;
}
/* The drag started in the target bar, so remove the dragged button. */
if (drag_start == target) {
if (drag_separator) {
button->separator = false;
} else if (target->bar == button) {
target->bar = button->bar_next;
} else {
for (previous = target->bar; previous != NULL &&
previous->bar_next != button;
previous = previous->bar_next);
assert(previous != NULL);
previous->bar_next = button->bar_next;
if (button->separator) // ??
previous->separator = true; // ??
}
}
/* The drag ended in the target bar, so add the dragged button in. */
if (drop != NULL) {
if (right) {
if (drag_separator) {
drop->separator = true;
} else {
button->bar_next = drop->bar_next;
drop->bar_next = button;
if (drop->separator && !separator) {
drop->separator = false;
button->separator = true;
} else {
button->separator = false;
}
}
} else if (target->bar == drop && !drag_separator) {
button->separator = false;
button->bar_next = target->bar;
target->bar = button;
} else if (target->bar != drop) {
for (previous = target->bar; previous != NULL &&
previous->bar_next != drop;
previous = previous->bar_next);
assert(previous != NULL);
if (drag_separator) {
previous->separator = true;
} else {
if (separator) {
previous->separator = false;
button->separator = true;
} else {
button->separator = false;
}
button->bar_next = previous->bar_next;
previous->bar_next = button;
}
}
}
/* Reposition the buttons and force our client to update. */
ro_gui_button_bar_place_buttons(target);
ro_gui_button_bar_icon_update(target);
ro_gui_button_bar_sync_editors(target, source);
xwimp_force_redraw(target->window,
target->extent.x0, target->extent.y0,
target->extent.x1, target->extent.y1);
if (source->edit_refresh != NULL)
source->edit_refresh(source->edit_client_data);
drag_start = NULL;
}
/**
* Synchronise the shading of a button bar editor source bar with the currently
* defined buttons in its target bar.
*
* \param *target The editor target bar.
* \param *source The editor source bar.
*/
void ro_gui_button_bar_sync_editors(struct button_bar *target,
struct button_bar *source)
{
struct button_bar_button *sb, *tb;
if (source == NULL || target == NULL)
return;
/* Unshade all of the buttons in the source bar. */
for (sb = source->bar; sb != NULL; sb = sb->bar_next)
sb->shaded = false;
/* Step through the target bar and shade each corresponding
* button in the source.
*/
for (tb = target->bar; tb != NULL; tb = tb->bar_next) {
sb = ro_gui_button_bar_find_opt_key(source, tb->opt_key);
if (sb != NULL)
sb->shaded = true;
}
/* Phyically shade the necessary buttons in the toolbar. */
for (sb = source->bar; sb != NULL; sb = sb->bar_next)
if (sb->icon != -1)
ro_gui_set_icon_shaded_state(source->window, sb->icon,
sb->shaded);
}
/* This is an exported interface documented in button_bar.h */
char *ro_gui_button_bar_get_config(struct button_bar *button_bar)
{
struct button_bar_button *button;
size_t size;
char *config;
int i;
if (button_bar == NULL)
return NULL;
for (size = 1, button = button_bar->bar; button != NULL;
button = button->bar_next) {
size++;
if (button->separator)
size++;
}
config = malloc(size);
if (config == NULL) {
NSLOG(netsurf, INFO, "No memory for malloc()");
ro_warn_user("NoMemory", 0);
return NULL;
}
for (i = 0, button = button_bar->bar; button != NULL;
button = button->bar_next) {
config[i++] = button->opt_key;
if (button->separator)
config[i++] = '|';
}
config[i] = '\0';
return config;
}
/**
* Find a button bar icon definition from an icon handle.
*
* \param *button_bar The button bar to use.
* \param icon The icon handle.
* \return Pointer to the button bar icon, or NULL.
*/
struct button_bar_button *ro_gui_button_bar_find_icon(
struct button_bar *button_bar, wimp_i icon)
{
struct button_bar_button *button;
if (button_bar == NULL || icon == -1)
return NULL;
button = button_bar->buttons;
while (button != NULL && button->icon != icon)
button = button->next;
return button;
}
/**
* Find a button bar icon definition from an options key code.
*
* \param *button_bar The button bar to use.
* \param opt_key The option key character code.
* \return Pointer to the button bar icon, or NULL.
*/
struct button_bar_button *ro_gui_button_bar_find_opt_key(
struct button_bar *button_bar, char opt_key)
{
struct button_bar_button *button;
if (button_bar == NULL)
return NULL;
button = button_bar->buttons;
while (button != NULL && button->opt_key != opt_key)
button = button->next;
return button;
}
/**
* Find a button bar icon definition from an action code.
*
* \param *button_bar The button bar to use.
* \param action The button action to find.
* \return Pointer to the button bar icon, or NULL.
*/
struct button_bar_button *ro_gui_button_bar_find_action(
struct button_bar *button_bar, button_bar_action action)
{
struct button_bar_button *button;
if (button_bar == NULL)
return NULL;
button = button_bar->buttons;
while (button != NULL &&
button->select_action != action &&
button->adjust_action != action)
button = button->next;
return button;
}
/**
* Find a button bar icon definition from coordinates.
*
* \param *button_bar The button bar to use.
* \param pos The coordinates to find, work area relative.
* \param *separator Returns true if the associated separator was
* matched; else false.
* \param *right Returns true if the coordinates were in the
* right hand side of the target; else false.
* \return Pointer to the button bar icon, or NULL.
*/
struct button_bar_button *ro_gui_button_bar_find_coords(
struct button_bar *button_bar, os_coord pos,
bool *separator, bool *right)
{
struct button_bar_button *button;
if (button_bar == NULL)
return NULL;
button = button_bar->bar;
while (button != NULL) {
/* Match button extents. */
int x0, y0, x1, y1;
x0 = button_bar->extent.x0 + button->x_pos;
y0 = button_bar->extent.y0 + button->y_pos;
x1 = x0 + button->x_size;
y1 = y0 + button->y_size;
if (pos.x > x0 && pos.y > y0 && pos.x < x1 && pos.y < y1) {
if (separator != NULL)
*separator = false;
if (right != NULL)
*right = (pos.x > x0 + button->x_size/2) ?
true : false;
return button;
}
x0 = x1;
x1 = x0 + button_bar->separator_width;
/* Match separator extents. */
if (pos.x > x0 && pos.y > y0 && pos.x < x1 && pos.y < y1 &&
button->separator) {
if (separator != NULL)
*separator = true;
if (right != NULL)
*right = (x0 + button_bar->separator_width/2) ?
true : false;
return button;
}
button = button->bar_next;
}
return NULL;
}
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