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-rw-r--r--app/wlib/gtklib/util.c672
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diff --git a/app/wlib/gtklib/util.c b/app/wlib/gtklib/util.c
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+/** \file util.c
+ * Some basic window functions
+ */
+
+/* XTrkCad - Model Railroad CAD
+ * Copyright (C) 2005 Dave Bullis
+ *
+ * This program 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+
+#define GTK_DISABLE_SINGLE_INCLUDES
+#define GDK_DISABLE_DEPRECATED
+#define GTK_DISABLE_DEPRECATED
+#define GSEAL_ENABLE
+
+#include <gtk/gtk.h>
+#include <gdk/gdk.h>
+#include <gdk/gdkkeysyms.h>
+
+#include "gtkint.h"
+#include "i18n.h"
+
+wWin_p gtkMainW;
+
+long debugWindow = 0;
+
+char wConfigName[ 256 ];
+
+const char * wNames[] = {
+ "MAIN",
+ "POPUP",
+ "BUTT",
+ "CANCEL",
+ "POPUP",
+ "TEXT",
+ "INTEGER",
+ "FLOAT",
+ "LIST",
+ "DROPLIST",
+ "COMBOLIST",
+ "RADIO",
+ "TOGGLE",
+ "DRAW",
+ "MENU"
+ "MULTITEXT",
+ "MESSAGE",
+ "LINES",
+ "MENUITEM",
+ "BOX"
+};
+
+
+static wBool_t reverseIcon =
+#if defined(linux)
+ FALSE;
+#else
+ TRUE;
+#endif
+
+
+
+/*
+ *****************************************************************************
+ *
+ * Internal Utility functions
+ *
+ *****************************************************************************
+ */
+
+/**
+ * Create a pixbuf from a two colored bitmap in XBM format.
+ *
+ * \param ip the XBM data
+ * \returns the pixbuf
+ */
+
+GdkPixbuf* wlibPixbufFromXBM(
+ wIcon_p ip )
+{
+ GdkPixbuf * pixbuf;
+
+ char line0[40];
+ char line2[40];
+
+ char ** pixmapData;
+ int row,col,wb;
+ long rgb;
+ const char * bits;
+
+ wb = (ip->w+7)/8;
+ pixmapData = (char**)malloc((3+ip->h) * sizeof *pixmapData);
+ pixmapData[0] = line0;
+ rgb = wDrawGetRGB(ip->color);
+ sprintf(line0, " %d %d 2 1", ip->w, ip->h);
+ sprintf(line2, "# c #%2.2lx%2.2lx%2.2lx", (rgb>>16)&0xFF, (rgb>>8)&0xFF,
+ rgb&0xFF);
+ pixmapData[1] = ". c None s None";
+ pixmapData[2] = line2;
+ bits = ip->bits;
+
+ for (row = 0; row<ip->h; row++) {
+ pixmapData[row+3] = (char*)malloc((ip->w+1) * sizeof **pixmapData);
+
+ for (col = 0; col<ip->w; col++) {
+ if (bits[ row*wb+(col>>3) ] & (1<<(col&07))) {
+ pixmapData[row+3][col] = '#';
+ } else {
+ pixmapData[row+3][col] = '.';
+ }
+ }
+ pixmapData[row+3][ip->w] = 0;
+ }
+
+ pixbuf = gdk_pixbuf_new_from_xpm_data((const char **)pixmapData);
+
+ for (row = 0; row<ip->h; row++) {
+ free(pixmapData[row+3]);
+ }
+ return pixbuf;
+}
+
+/**
+ * Add a label to an existing widget
+ *
+ * \param b IN widget
+ * \param labelStr IN label to add
+ * \returns size of label
+ */
+
+int wlibAddLabel(wControl_p b, const char * labelStr)
+{
+ GtkRequisition requisition;
+
+ if (labelStr == NULL) {
+ return 0;
+ }
+
+ b->label = gtk_label_new(wlibConvertInput(labelStr));
+ gtk_widget_size_request(b->label, &requisition);
+ gtk_container_add(GTK_CONTAINER(b->parent->widget), b->label);
+ gtk_fixed_move(GTK_FIXED(b->parent->widget), b->label,
+ b->realX-requisition.width-8, b->realY+LABEL_OFFSET);
+
+ gtk_widget_show(b->label);
+ return requisition.width+8;
+}
+
+/**
+ * Allocate and initialize the data structure for a new widget
+ *
+ * \param parent IN parent window
+ * \param type IN type of new widget
+ * \param origX IN x position
+ * \param origY IN y position
+ * \param labelStr IN text label
+ * \param size IN size
+ * \param data IN user data to keep with widget
+ * \returns
+ */
+
+void * wlibAlloc(
+ wWin_p parent,
+ wType_e type,
+ wPos_t origX,
+ wPos_t origY,
+ const char * labelStr,
+ int size,
+ void * data)
+{
+ wControl_p w = (wControl_p)malloc(size);
+ char * cp;
+ memset(w, 0, size);
+
+ if (w == NULL) {
+ abort();
+ }
+
+ w->type = type;
+ w->parent = parent;
+ w->origX = origX;
+ w->origY = origY;
+
+ if (labelStr) {
+ cp = (char*)malloc(strlen(labelStr)+1);
+ w->labelStr = cp;
+
+ for (; *labelStr; labelStr++)
+ if (*labelStr != '&') {
+ *cp++ = *labelStr;
+ }
+
+ *cp = 0;
+ }
+
+ w->doneProc = NULL;
+ w->data = data;
+ return w;
+}
+
+/**
+ * Calculate the position for a widget
+ *
+ * \param b IN widget
+ */
+
+void wlibComputePos(
+ wControl_p b)
+{
+ wWin_p w = b->parent;
+
+ if (b->origX >= 0) {
+ b->realX = b->origX;
+ } else {
+ b->realX = w->lastX + (-b->origX) - 1;
+ }
+
+ if (b->origY >= 0) {
+ b->realY = b->origY + BORDERSIZE + ((w->option&F_MENUBAR)?MENUH:0);
+ } else {
+ b->realY = w->lastY + (-b->origY) - 1;
+ }
+}
+
+/**
+ * Initialize the internal structure with the size of the widget
+ *
+ * \param b IN widget
+ */
+
+void wlibControlGetSize(
+ wControl_p b)
+{
+ GtkRequisition requisition;
+ gtk_widget_size_request(b->widget, &requisition);
+ b->w = requisition.width;
+ b->h = requisition.height;
+}
+
+/**
+ * ???
+ * \param b IN widget
+ */
+
+void wlibAddButton(
+ wControl_p b)
+{
+ wWin_p win = b->parent;
+ wBool_t resize = FALSE;
+
+ if (win->first == NULL) {
+ win->first = b;
+ } else {
+ win->last->next = b;
+ }
+
+ win->last = b;
+ b->next = NULL;
+ b->parent = win;
+ win->lastX = b->realX + b->w;
+ win->lastY = b->realY + b->h;
+
+ if (win->option&F_AUTOSIZE) {
+ if (win->lastX > win->realX) {
+ win->realX = win->lastX;
+
+ if (win->w != (win->realX + win->origX)) {
+ resize = TRUE;
+ win->w = (win->realX + win->origX);
+ }
+ }
+
+ if (win->lastY > win->realY) {
+ win->realY = win->lastY;
+
+ if (win->h != (win->realY + win->origY)) {
+ resize = TRUE;
+ win->h = (win->realY + win->origY);
+ }
+ }
+
+ if (win->shown) {
+ if (resize) {
+ gtk_widget_set_size_request(win->gtkwin, win->w, win->h);
+ gtk_widget_set_size_request(win->widget, win->w, win->h);
+ }
+ }
+ }
+}
+
+/**
+ * Find the widget at a position
+ * \param win IN searched widget's parent window
+ * \param x IN x position inside parent
+ * \param y IN y position inside parent
+ * \returns the widget, NULL if none at the position
+ */
+
+wControl_p wlibGetControlFromPos(
+ wWin_p win,
+ wPos_t x,
+ wPos_t y)
+{
+ wControl_p b;
+ wPos_t xx, yy;
+
+ for (b=win->first; b != NULL; b = b->next) {
+ if (b->widget && gtk_widget_get_visible(b->widget)) {
+ xx = b->realX;
+ yy = b->realY;
+
+ if (xx <= x && x < xx+b->w &&
+ yy <= y && y < yy+b->h) {
+ return b;
+ }
+ }
+ }
+
+ return NULL;
+}
+
+
+/*
+ *****************************************************************************
+ *
+ * Exported Utility Functions
+ *
+ *****************************************************************************
+ */
+
+/**
+ * Beep!
+ * \return
+ */
+void wBeep(void)
+{
+ gdk_display_beep(gdk_display_get_default());
+}
+
+
+/**
+ * Flushs all commands to the Window.
+ */
+
+void wFlush(
+ void)
+{
+ while (gtk_events_pending()) {
+ gtk_main_iteration();
+ }
+
+ gdk_display_sync(gdk_display_get_default());
+}
+
+/**
+ * Not implemented
+ * \returns
+ */
+
+void wWinTop(wWin_p win)
+{
+}
+
+/**
+ * Not implemented
+ *
+ * \param cursor IN
+ */
+
+void wSetCursor(wCursor_t cursor)
+{
+}
+
+/**
+ * Not implemented
+ * \returns
+ */
+
+const char * wMemStats(void)
+{
+ return "No stats available";
+}
+
+/**
+ * Get the size of the screen
+ *
+ * \param w IN pointer to width
+ * \param h IN pointer to height
+ */
+
+void wGetDisplaySize(wPos_t * w, wPos_t * h)
+{
+
+ *w = gdk_screen_width();
+ *h = gdk_screen_height();
+}
+
+static dynArr_t conversionBuffer_da;
+
+/**
+ * Convert a string to UTF-8
+ *
+ * \param inString IN string to convert
+ * \returns pointer to converted string, valid until next call to conversion function
+ */
+
+char * wlibConvertInput(const char * inString)
+{
+ const char * cp;
+ char * cq;
+ int extCharCnt, inCharCnt;
+
+ /* Already UTF-8 encoded? */
+ if (g_utf8_validate(inString, -1, NULL))
+ /* Yes, do not double-convert */
+ {
+ return (char*)inString;
+ }
+
+ for (cp=inString, extCharCnt=0; *cp; cp++) {
+ if (((*cp)&0x80) != '\0') {
+ extCharCnt++;
+ }
+ }
+
+ inCharCnt = cp-inString;
+
+ if (extCharCnt == '\0') {
+ return (char*)inString;
+ }
+
+ DYNARR_SET(char, conversionBuffer_da, inCharCnt+extCharCnt+1);
+
+ for (cp=inString, cq=(char*)conversionBuffer_da.ptr; *cp; cp++) {
+ if (((*cp)&0x80) != 0) {
+ *cq++ = 0xC0+(((*cp)&0xC0)>>6);
+ *cq++ = 0x80+((*cp)&0x3F);
+ } else {
+ *cq++ = *cp;
+ }
+ }
+
+ *cq = 0;
+ return (char*)conversionBuffer_da.ptr;
+}
+
+/**
+ * Convert a string from UTF-8 to system codepage
+ *
+ * \param inString IN string to convert
+ * \returns pointer to converted string, valid until next call to conversion function
+ */
+
+char * wlibConvertOutput(const char * inString)
+{
+ const char * cp;
+ char * cq;
+ int extCharCnt, inCharCnt;
+
+ for (cp=inString, extCharCnt=0; *cp; cp++) {
+ if (((*cp)&0xC0) == 0x80) {
+ extCharCnt++;
+ }
+ }
+
+ inCharCnt = cp-inString;
+
+ if (extCharCnt == '\0') {
+ return (char*)inString;
+ }
+
+ DYNARR_SET(char, conversionBuffer_da, inCharCnt+1);
+
+ for (cp=inString, cq=(char*)conversionBuffer_da.ptr; *cp; cp++) {
+ if (((*cp)&0x80) != 0) {
+ *cq++ = 0xC0+(((*cp)&0xC0)>>6);
+ *cq++ = 0x80+((*cp)&0x3F);
+ } else {
+ *cq++ = *cp;
+ }
+ }
+
+ *cq = '\0';
+ return (char*)conversionBuffer_da.ptr;
+}
+
+/*-----------------------------------------------------------------*/
+
+
+static dynArr_t accelData_da;
+#define accelData(N) DYNARR_N( accelData_t, accelData_da, N )
+
+static guint accelKeyMap[] = {
+ 0, /* wAccelKey_None, */
+ GDK_KEY_Delete, /* wAccelKey_Del, */
+ GDK_KEY_Insert, /* wAccelKey_Ins, */
+ GDK_KEY_Home, /* wAccelKey_Home, */
+ GDK_KEY_End, /* wAccelKey_End, */
+ GDK_KEY_Page_Up, /* wAccelKey_Pgup, */
+ GDK_KEY_Page_Down, /* wAccelKey_Pgdn, */
+ GDK_KEY_Up, /* wAccelKey_Up, */
+ GDK_KEY_Down, /* wAccelKey_Down, */
+ GDK_KEY_Right, /* wAccelKey_Right, */
+ GDK_KEY_Left, /* wAccelKey_Left, */
+ GDK_KEY_BackSpace, /* wAccelKey_Back, */
+ GDK_KEY_F1, /* wAccelKey_F1, */
+ GDK_KEY_F2, /* wAccelKey_F2, */
+ GDK_KEY_F3, /* wAccelKey_F3, */
+ GDK_KEY_F4, /* wAccelKey_F4, */
+ GDK_KEY_F5, /* wAccelKey_F5, */
+ GDK_KEY_F6, /* wAccelKey_F6, */
+ GDK_KEY_F7, /* wAccelKey_F7, */
+ GDK_KEY_F8, /* wAccelKey_F8, */
+ GDK_KEY_F9, /* wAccelKey_F9, */
+ GDK_KEY_F10, /* wAccelKey_F10, */
+ GDK_KEY_F11, /* wAccelKey_F11, */
+ GDK_KEY_F12 /* wAccelKey_F12, */
+};
+
+/**
+ * Create an accelerator key
+ *
+ * \param key IN primary key stroke
+ * \param modifier IN modifier (shift, ctrl, etc.)
+ * \param action IN function to call
+ * \param data IN data to pass to function
+ */
+
+void wAttachAccelKey(
+ wAccelKey_e key,
+ int modifier,
+ wAccelKeyCallBack_p action,
+ void * data)
+{
+ accelData_t * ad;
+
+ if (key < 1 || key > wAccelKey_F12) {
+ fprintf(stderr, "wAttachAccelKey(%d) out of range\n", (int)key);
+ return;
+ }
+
+ DYNARR_APPEND(accelData_t, accelData_da, 10);
+ ad = &accelData(accelData_da.cnt-1);
+ ad->key = key;
+ ad->modifier = modifier;
+ ad->action = action;
+ ad->data = data;
+}
+
+/**
+ * Check for accelerator definition a pressed key
+ *
+ * \param event IN key press event
+ * \returns pointer to accel key structure, NULL if not existing
+ */
+
+struct accelData_t * wlibFindAccelKey(
+ GdkEventKey * event)
+{
+ accelData_t * ad;
+ int modifier = 0;
+
+ if ((event->state & GDK_SHIFT_MASK)) {
+ modifier |= WKEY_SHIFT;
+ }
+
+ if ((event->state & GDK_CONTROL_MASK)) {
+ modifier |= WKEY_CTRL;
+ }
+
+ if ((event->state & GDK_MOD1_MASK)) {
+ modifier |= WKEY_ALT;
+ }
+
+ for (ad=&accelData(0); ad<&accelData(accelData_da.cnt); ad++)
+ if (event->keyval == accelKeyMap[ad->key] &&
+ modifier == ad->modifier) {
+ return ad;
+ }
+
+ return NULL;
+}
+
+/**
+ * Perform action when an accelerator key was pressed
+ *
+ * \param event IN key press event
+ * \returns TRUE if valid accelerator, FALSE if not
+ */
+
+wBool_t wlibHandleAccelKey(
+ GdkEventKey *event)
+{
+ accelData_t * ad = wlibFindAccelKey(event);
+
+ if (ad) {
+ ad->action(ad->key, ad->data);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/**
+ * Add control to circular list of synonymous controls. Synonymous controls are kept in sync by
+ * calling wControlLinkedActive for one member of the list
+ * \todo This is similar to the concept of action in gtk/glib \
+ * Maybe this would be easier to use
+ *
+ * \param b1 IN first control
+ * \param b2 IN second control
+ * \return none
+ */
+
+void wControlLinkedSet(wControl_p b1, wControl_p b2)
+{
+
+ b2->synonym = b1->synonym;
+
+ if (b2->synonym == NULL) {
+ b2->synonym = b1;
+ }
+
+ b1->synonym = b2;
+}
+
+/**
+ * Activate/deactivate a group of synonymous controls.
+ *
+ * \param b IN control
+ * \param active IN state
+ * \return none
+ */
+
+void wControlLinkedActive(wControl_p b, int active)
+{
+ wControl_p savePtr = b;
+
+ if (savePtr->type == B_MENUITEM) {
+ wMenuPushEnable((wMenuPush_p)savePtr, active);
+ } else {
+ wControlActive(savePtr, active);
+ }
+
+ savePtr = savePtr->synonym;
+
+ while (savePtr && savePtr != b) {
+
+ if (savePtr->type == B_MENUITEM) {
+ wMenuPushEnable((wMenuPush_p)savePtr, active);
+ } else {
+ wControlActive(savePtr, active);
+ }
+
+ savePtr = savePtr->synonym;
+ }
+}
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