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Location: cpp/openttd-patchpack/source/src/osk_gui.cpp - annotation
r19097:ec2b0cea1565
15.1 KiB
text/x-c
(svn r23965) -Fix [FS#5070]: Refittability should never depend on the current capacity of a vehicle.
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r8737:36bd0e7321ea r8737:36bd0e7321ea r8737:36bd0e7321ea r8737:36bd0e7321ea r8737:36bd0e7321ea r8737:36bd0e7321ea r8737:36bd0e7321ea r9314:0cd85d317c52 r8737:36bd0e7321ea r8737:36bd0e7321ea r8737:36bd0e7321ea r8737:36bd0e7321ea r8737:36bd0e7321ea r8737:36bd0e7321ea r8737:36bd0e7321ea r9179:660680ae613d r8737:36bd0e7321ea r8737:36bd0e7321ea r8737:36bd0e7321ea r8737:36bd0e7321ea r9179:660680ae613d r8737:36bd0e7321ea r13233:9fcdcfbe5992 r13233:9fcdcfbe5992 r13233:9fcdcfbe5992 r13233:9fcdcfbe5992 r13233:9fcdcfbe5992 r14992:2648a73e4ab8 r13233:9fcdcfbe5992 r13233:9fcdcfbe5992 r13233:9fcdcfbe5992 r13233:9fcdcfbe5992 r13233:9fcdcfbe5992 r13233:9fcdcfbe5992 r13233:9fcdcfbe5992 r13233:9fcdcfbe5992 r13233:9fcdcfbe5992 r13233:9fcdcfbe5992 r13233:9fcdcfbe5992 r13233:9fcdcfbe5992 | /* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD 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.
* OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file osk_gui.cpp The On Screen Keyboard GUI */
#include "stdafx.h"
#include "string_func.h"
#include "strings_func.h"
#include "debug.h"
#include "window_func.h"
#include "gfx_func.h"
#include "querystring_gui.h"
#include "widgets/osk_widget.h"
#include "table/sprites.h"
#include "table/strings.h"
char _keyboard_opt[2][OSK_KEYBOARD_ENTRIES * 4 + 1];
static WChar _keyboard[2][OSK_KEYBOARD_ENTRIES];
enum KeyStateBits {
KEYS_NONE,
KEYS_SHIFT,
KEYS_CAPS
};
static byte _keystate = KEYS_NONE;
struct OskWindow : public Window {
StringID caption; ///< the caption for this window.
QueryString *qs; ///< text-input
int text_btn; ///< widget number of parent's text field
int ok_btn; ///< widget number of parent's ok button (=0 when ok shouldn't be passed on)
int cancel_btn; ///< widget number of parent's cancel button (=0 when cancel shouldn't be passed on; text will be reverted to original)
Textbuf *text; ///< pointer to parent's textbuffer (to update caret position)
char *orig_str_buf; ///< Original string.
bool shift; ///< Is the shift effectively pressed?
OskWindow(const WindowDesc *desc, QueryStringBaseWindow *parent, int button, int cancel, int ok) : Window()
{
this->parent = parent;
assert(parent != NULL);
NWidgetCore *par_wid = parent->GetWidget<NWidgetCore>(button);
assert(par_wid != NULL);
this->caption = (par_wid->widget_data != STR_NULL) ? par_wid->widget_data : parent->caption;
this->qs = parent;
this->text_btn = button;
this->cancel_btn = cancel;
this->ok_btn = ok;
this->text = &parent->text;
/* make a copy in case we need to reset later */
this->orig_str_buf = strdup(this->qs->text.buf);
this->InitNested(desc, 0);
/* Not needed by default. */
this->DisableWidget(WID_OSK_SPECIAL);
this->UpdateOskState();
}
~OskWindow()
{
free(this->orig_str_buf);
}
/**
* Only show valid characters; do not show characters that would
* only insert a space when we have a spacebar to do that or
* characters that are not allowed to be entered.
*/
void UpdateOskState()
{
this->shift = HasBit(_keystate, KEYS_CAPS) ^ HasBit(_keystate, KEYS_SHIFT);
for (uint i = 0; i < OSK_KEYBOARD_ENTRIES; i++) {
this->SetWidgetDisabledState(WID_OSK_LETTERS + i,
!IsValidChar(_keyboard[this->shift][i], this->qs->afilter) || _keyboard[this->shift][i] == ' ');
}
this->SetWidgetDisabledState(WID_OSK_SPACE, !IsValidChar(' ', this->qs->afilter));
this->LowerWidget(WID_OSK_TEXT);
this->SetWidgetLoweredState(WID_OSK_SHIFT, HasBit(_keystate, KEYS_SHIFT));
this->SetWidgetLoweredState(WID_OSK_CAPS, HasBit(_keystate, KEYS_CAPS));
}
virtual void SetStringParameters(int widget) const
{
if (widget == WID_OSK_CAPTION) SetDParam(0, this->caption);
}
virtual void DrawWidget(const Rect &r, int widget) const
{
if (widget < WID_OSK_LETTERS) return;
widget -= WID_OSK_LETTERS;
DrawCharCentered(_keyboard[this->shift][widget],
r.left + 8,
r.top + 3,
TC_BLACK);
}
virtual void OnPaint()
{
this->DrawWidgets();
this->qs->DrawEditBox(this, WID_OSK_TEXT);
}
virtual void OnClick(Point pt, int widget, int click_count)
{
/* clicked a letter */
if (widget >= WID_OSK_LETTERS) {
WChar c = _keyboard[this->shift][widget - WID_OSK_LETTERS];
if (!IsValidChar(c, this->qs->afilter)) return;
if (InsertTextBufferChar(&this->qs->text, c)) this->InvalidateParent();
if (HasBit(_keystate, KEYS_SHIFT)) {
ToggleBit(_keystate, KEYS_SHIFT);
this->GetWidget<NWidgetCore>(WID_OSK_SHIFT)->colour = HasBit(_keystate, KEYS_SHIFT) ? COLOUR_WHITE : COLOUR_GREY;
this->SetDirty();
}
/* Return focus to the parent widget and window. */
this->parent->SetFocusedWidget(this->text_btn);
SetFocusedWindow(this->parent);
return;
}
switch (widget) {
case WID_OSK_BACKSPACE:
if (DeleteTextBufferChar(&this->qs->text, WKC_BACKSPACE)) this->InvalidateParent();
break;
case WID_OSK_SPECIAL:
/*
* Anything device specific can go here.
* The button itself is hidden by default, and when you need it you
* can not hide it in the create event.
*/
break;
case WID_OSK_CAPS:
ToggleBit(_keystate, KEYS_CAPS);
this->UpdateOskState();
this->SetDirty();
break;
case WID_OSK_SHIFT:
ToggleBit(_keystate, KEYS_SHIFT);
this->UpdateOskState();
this->SetDirty();
break;
case WID_OSK_SPACE:
if (InsertTextBufferChar(&this->qs->text, ' ')) this->InvalidateParent();
break;
case WID_OSK_LEFT:
if (MoveTextBufferPos(&this->qs->text, WKC_LEFT)) this->InvalidateParent();
break;
case WID_OSK_RIGHT:
if (MoveTextBufferPos(&this->qs->text, WKC_RIGHT)) this->InvalidateParent();
break;
case WID_OSK_OK:
if (this->qs->orig == NULL || strcmp(this->qs->text.buf, this->qs->orig) != 0) {
/* pass information by simulating a button press on parent window */
if (this->ok_btn != 0) {
this->parent->OnClick(pt, this->ok_btn, 1);
/* Window gets deleted when the parent window removes itself. */
return;
}
}
delete this;
break;
case WID_OSK_CANCEL:
if (this->cancel_btn != 0) { // pass a cancel event to the parent window
this->parent->OnClick(pt, this->cancel_btn, 1);
/* Window gets deleted when the parent window removes itself. */
return;
} else { // or reset to original string
strcpy(qs->text.buf, this->orig_str_buf);
UpdateTextBufferSize(&qs->text);
MoveTextBufferPos(&qs->text, WKC_END);
this->InvalidateParent();
delete this;
}
break;
}
/* Return focus to the parent widget and window. */
this->parent->SetFocusedWidget(this->text_btn);
SetFocusedWindow(this->parent);
}
void InvalidateParent()
{
QueryStringBaseWindow *w = dynamic_cast<QueryStringBaseWindow*>(this->parent);
if (w != NULL) w->OnOSKInput(this->text_btn);
this->SetWidgetDirty(WID_OSK_TEXT);
if (this->parent != NULL) this->parent->SetWidgetDirty(this->text_btn);
}
virtual void OnMouseLoop()
{
this->qs->HandleEditBox(this, WID_OSK_TEXT);
/* make the caret of the parent window also blink */
this->parent->SetWidgetDirty(this->text_btn);
}
/**
* Some data on this window has become invalid.
* @param data Information about the changed data.
* @param gui_scope Whether the call is done from GUI scope. You may not do everything when not in GUI scope. See #InvalidateWindowData() for details.
*/
virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
{
if (!gui_scope) return;
this->SetWidgetDirty(WID_OSK_TEXT);
}
};
static const int HALF_KEY_WIDTH = 7; // Width of 1/2 key in pixels.
static const int INTER_KEY_SPACE = 2; // Number of pixels between two keys.
/**
* Add a key widget to a row of the keyboard.
* @param hor Row container to add key widget to.
* @param height Height of the key (all keys in a row should have equal height).
* @param num_half Number of 1/2 key widths that this key has.
* @param widtype Widget type of the key. Must be either \c NWID_SPACER for an invisible key, or a \c WWT_* widget.
* @param widnum Widget number of the key.
* @param widdata Data value of the key widget.
* @param biggest_index Collected biggest widget index so far.
* @note Key width is measured in 1/2 keys to allow for 1/2 key shifting between rows.
*/
static void AddKey(NWidgetHorizontal *hor, int height, int num_half, WidgetType widtype, int widnum, uint16 widdata, int *biggest_index)
{
int key_width = HALF_KEY_WIDTH + (INTER_KEY_SPACE + HALF_KEY_WIDTH) * (num_half - 1);
if (widtype == NWID_SPACER) {
if (!hor->IsEmpty()) key_width += INTER_KEY_SPACE;
NWidgetSpacer *spc = new NWidgetSpacer(key_width, height);
hor->Add(spc);
} else {
if (!hor->IsEmpty()) {
NWidgetSpacer *spc = new NWidgetSpacer(INTER_KEY_SPACE, height);
hor->Add(spc);
}
NWidgetLeaf *leaf = new NWidgetLeaf(widtype, COLOUR_GREY, widnum, widdata, STR_NULL);
leaf->SetMinimalSize(key_width, height);
hor->Add(leaf);
}
*biggest_index = max(*biggest_index, widnum);
}
/** Construct the top row keys (cancel, ok, backspace). */
static NWidgetBase *MakeTopKeys(int *biggest_index)
{
NWidgetHorizontal *hor = new NWidgetHorizontal();
int key_height = FONT_HEIGHT_NORMAL + 2;
AddKey(hor, key_height, 6 * 2, WWT_TEXTBTN, WID_OSK_CANCEL, STR_BUTTON_CANCEL, biggest_index);
AddKey(hor, key_height, 6 * 2, WWT_TEXTBTN, WID_OSK_OK, STR_BUTTON_OK, biggest_index);
AddKey(hor, key_height, 2 * 2, WWT_PUSHIMGBTN, WID_OSK_BACKSPACE, SPR_OSK_BACKSPACE, biggest_index);
return hor;
}
/** Construct the row containing the digit keys. */
static NWidgetBase *MakeNumberKeys(int *biggest_index)
{
NWidgetHorizontal *hor = new NWidgetHorizontalLTR();
int key_height = FONT_HEIGHT_NORMAL + 6;
for (int widnum = WID_OSK_NUMBERS_FIRST; widnum <= WID_OSK_NUMBERS_LAST; widnum++) {
AddKey(hor, key_height, 2, WWT_PUSHBTN, widnum, 0x0, biggest_index);
}
return hor;
}
/** Construct the qwerty row keys. */
static NWidgetBase *MakeQwertyKeys(int *biggest_index)
{
NWidgetHorizontal *hor = new NWidgetHorizontalLTR();
int key_height = FONT_HEIGHT_NORMAL + 6;
AddKey(hor, key_height, 3, WWT_PUSHIMGBTN, WID_OSK_SPECIAL, SPR_OSK_SPECIAL, biggest_index);
for (int widnum = WID_OSK_QWERTY_FIRST; widnum <= WID_OSK_QWERTY_LAST; widnum++) {
AddKey(hor, key_height, 2, WWT_PUSHBTN, widnum, 0x0, biggest_index);
}
AddKey(hor, key_height, 1, NWID_SPACER, 0, 0, biggest_index);
return hor;
}
/** Construct the asdfg row keys. */
static NWidgetBase *MakeAsdfgKeys(int *biggest_index)
{
NWidgetHorizontal *hor = new NWidgetHorizontalLTR();
int key_height = FONT_HEIGHT_NORMAL + 6;
AddKey(hor, key_height, 4, WWT_IMGBTN, WID_OSK_CAPS, SPR_OSK_CAPS, biggest_index);
for (int widnum = WID_OSK_ASDFG_FIRST; widnum <= WID_OSK_ASDFG_LAST; widnum++) {
AddKey(hor, key_height, 2, WWT_PUSHBTN, widnum, 0x0, biggest_index);
}
return hor;
}
/** Construct the zxcvb row keys. */
static NWidgetBase *MakeZxcvbKeys(int *biggest_index)
{
NWidgetHorizontal *hor = new NWidgetHorizontalLTR();
int key_height = FONT_HEIGHT_NORMAL + 6;
AddKey(hor, key_height, 3, WWT_IMGBTN, WID_OSK_SHIFT, SPR_OSK_SHIFT, biggest_index);
for (int widnum = WID_OSK_ZXCVB_FIRST; widnum <= WID_OSK_ZXCVB_LAST; widnum++) {
AddKey(hor, key_height, 2, WWT_PUSHBTN, widnum, 0x0, biggest_index);
}
AddKey(hor, key_height, 1, NWID_SPACER, 0, 0, biggest_index);
return hor;
}
/** Construct the spacebar row keys. */
static NWidgetBase *MakeSpacebarKeys(int *biggest_index)
{
NWidgetHorizontal *hor = new NWidgetHorizontal();
int key_height = FONT_HEIGHT_NORMAL + 6;
AddKey(hor, key_height, 8, NWID_SPACER, 0, 0, biggest_index);
AddKey(hor, key_height, 13, WWT_PUSHTXTBTN, WID_OSK_SPACE, STR_EMPTY, biggest_index);
AddKey(hor, key_height, 3, NWID_SPACER, 0, 0, biggest_index);
AddKey(hor, key_height, 2, WWT_PUSHIMGBTN, WID_OSK_LEFT, SPR_OSK_LEFT, biggest_index);
AddKey(hor, key_height, 2, WWT_PUSHIMGBTN, WID_OSK_RIGHT, SPR_OSK_RIGHT, biggest_index);
return hor;
}
static const NWidgetPart _nested_osk_widgets[] = {
NWidget(WWT_CAPTION, COLOUR_GREY, WID_OSK_CAPTION), SetDataTip(STR_WHITE_STRING, STR_NULL),
NWidget(WWT_PANEL, COLOUR_GREY),
NWidget(WWT_EDITBOX, COLOUR_GREY, WID_OSK_TEXT), SetMinimalSize(252, 12), SetPadding(2, 2, 2, 2),
EndContainer(),
NWidget(WWT_PANEL, COLOUR_GREY), SetPIP(5, 2, 3),
NWidgetFunction(MakeTopKeys), SetPadding(0, 3, 0, 3),
NWidgetFunction(MakeNumberKeys), SetPadding(0, 3, 0, 3),
NWidgetFunction(MakeQwertyKeys), SetPadding(0, 3, 0, 3),
NWidgetFunction(MakeAsdfgKeys), SetPadding(0, 3, 0, 3),
NWidgetFunction(MakeZxcvbKeys), SetPadding(0, 3, 0, 3),
NWidgetFunction(MakeSpacebarKeys), SetPadding(0, 3, 0, 3),
EndContainer(),
};
static const WindowDesc _osk_desc(
WDP_CENTER, 0, 0,
WC_OSK, WC_NONE,
WDF_UNCLICK_BUTTONS,
_nested_osk_widgets, lengthof(_nested_osk_widgets)
);
/**
* Retrieve keyboard layout from language string or (if set) config file.
* Also check for invalid characters.
*/
void GetKeyboardLayout()
{
char keyboard[2][OSK_KEYBOARD_ENTRIES * 4 + 1];
char errormark[2][OSK_KEYBOARD_ENTRIES + 1]; // used for marking invalid chars
bool has_error = false; // true when an invalid char is detected
if (StrEmpty(_keyboard_opt[0])) {
GetString(keyboard[0], STR_OSK_KEYBOARD_LAYOUT, lastof(keyboard[0]));
} else {
strecpy(keyboard[0], _keyboard_opt[0], lastof(keyboard[0]));
}
if (StrEmpty(_keyboard_opt[1])) {
GetString(keyboard[1], STR_OSK_KEYBOARD_LAYOUT_CAPS, lastof(keyboard[1]));
} else {
strecpy(keyboard[1], _keyboard_opt[1], lastof(keyboard[1]));
}
for (uint j = 0; j < 2; j++) {
const char *kbd = keyboard[j];
bool ended = false;
for (uint i = 0; i < OSK_KEYBOARD_ENTRIES; i++) {
_keyboard[j][i] = Utf8Consume(&kbd);
/* Be lenient when the last characters are missing (is quite normal) */
if (_keyboard[j][i] == '\0' || ended) {
ended = true;
_keyboard[j][i] = ' ';
continue;
}
if (IsPrintable(_keyboard[j][i])) {
errormark[j][i] = ' ';
} else {
has_error = true;
errormark[j][i] = '^';
_keyboard[j][i] = ' ';
}
}
}
if (has_error) {
ShowInfoF("The keyboard layout you selected contains invalid chars. Please check those chars marked with ^.");
ShowInfoF("Normal keyboard: %s", keyboard[0]);
ShowInfoF(" %s", errormark[0]);
ShowInfoF("Caps Lock: %s", keyboard[1]);
ShowInfoF(" %s", errormark[1]);
}
}
/**
* Show the on-screen keyboard (osk) associated with a given textbox
* @param parent pointer to the Window where this keyboard originated from
* @param button widget number of parent's textbox
* @param cancel widget number of parent's cancel button (0 if cancel events
* should not be passed)
* @param ok widget number of parent's ok button (0 if ok events should not
* be passed)
*/
void ShowOnScreenKeyboard(QueryStringBaseWindow *parent, int button, int cancel, int ok)
{
DeleteWindowById(WC_OSK, 0);
GetKeyboardLayout();
new OskWindow(&_osk_desc, parent, button, cancel, ok);
}
/**
* Updates the original text of the OSK so when the 'parent' changes the
* original and you press on cancel you won't get the 'old' original text
* but the updated one.
* @param parent window that just updated its orignal text
* @param button widget number of parent's textbox to update
*/
void UpdateOSKOriginalText(const QueryStringBaseWindow *parent, int button)
{
OskWindow *osk = dynamic_cast<OskWindow *>(FindWindowById(WC_OSK, 0));
if (osk == NULL || osk->qs != parent || osk->text_btn != button) return;
free(osk->orig_str_buf);
osk->orig_str_buf = strdup(osk->qs->text.buf);
osk->SetDirty();
}
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