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-rw-r--r--app/wlib/gtklib/button.c630
1 files changed, 630 insertions, 0 deletions
diff --git a/app/wlib/gtklib/button.c b/app/wlib/gtklib/button.c
new file mode 100644
index 0000000..d9f4880
--- /dev/null
+++ b/app/wlib/gtklib/button.c
@@ -0,0 +1,630 @@
+/** \file button.c
+ * Toolbar button creation and handling
+ */
+
+/* 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>
+
+#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 "gtkint.h"
+#include "i18n.h"
+
+#define MIN_BUTTON_WIDTH (80)
+
+/*
+ *****************************************************************************
+ *
+ * Simple Buttons
+ *
+ *****************************************************************************
+ */
+
+/**
+ * Set the state of the button
+ *
+ * \param bb IN the button
+ * \param value IN TRUE for active, FALSE for inactive
+ */
+
+void wButtonSetBusy(wButton_p bb, int value)
+{
+ bb->recursion++;
+ gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(bb->widget), value);
+ bb->recursion--;
+ bb->busy = value;
+}
+
+/**
+ * Set the label of a button, does also allow to set an icon
+ *
+ * \param widget IN
+ * \param option IN
+ * \param labelStr IN
+ * \param labelG IN
+ * \param imageG IN
+ */
+
+void wlibSetLabel(
+ GtkWidget *widget,
+ long option,
+ const char * labelStr,
+ GtkLabel * * labelG,
+ GtkWidget * * imageG)
+{
+ wIcon_p bm;
+ GdkBitmap * mask;
+
+ if (widget == 0) {
+ abort();
+ }
+
+ if (labelStr) {
+ if (option&BO_ICON) {
+ GdkPixbuf *pixbuf;
+
+ bm = (wIcon_p)labelStr;
+
+ if (bm->gtkIconType == gtkIcon_pixmap) {
+ pixbuf = gdk_pixbuf_new_from_xpm_data((const char**)bm->bits);
+ } else {
+ pixbuf = wlibPixbufFromXBM( bm );
+ }
+ if (*imageG==NULL) {
+ *imageG = gtk_image_new_from_pixbuf(pixbuf);
+ gtk_container_add(GTK_CONTAINER(widget), *imageG);
+ gtk_widget_show(*imageG);
+ } else {
+ gtk_image_set_from_pixbuf(GTK_IMAGE(*imageG), pixbuf);
+ }
+
+ g_object_unref(pixbuf);
+ } else {
+ if (*labelG==NULL) {
+ *labelG = (GtkLabel*)gtk_label_new(wlibConvertInput(labelStr));
+ gtk_container_add(GTK_CONTAINER(widget), (GtkWidget*)*labelG);
+ gtk_widget_show((GtkWidget*)*labelG);
+ } else {
+ gtk_label_set_text(*labelG, wlibConvertInput(labelStr));
+ }
+ }
+ }
+}
+
+/**
+ * Change only the text label of a button
+ * \param bb IN button handle
+ * \param labelStr IN new label string
+ */
+
+void wButtonSetLabel(wButton_p bb, const char * labelStr)
+{
+ wlibSetLabel(bb->widget, bb->option, labelStr, &bb->labelG, &bb->imageG);
+}
+
+/**
+ * Perform the user callback function
+ *
+ * \param bb IN button handle
+ */
+
+void wlibButtonDoAction(
+ wButton_p bb)
+{
+ if (bb->action) {
+ bb->action(bb->data);
+ }
+}
+
+/**
+ * Signal handler for button push
+ * \param widget IN the widget
+ * \param value IN the button handle (same as widget???)
+ */
+
+static void pushButt(
+ GtkWidget *widget,
+ gpointer value)
+{
+ wButton_p b = (wButton_p)value;
+
+ if (debugWindow >= 2) {
+ printf("%s button pushed\n", b->labelStr?b->labelStr:"No label");
+ }
+
+ if (b->recursion) {
+ return;
+ }
+
+ if (b->action) {
+ b->action(b->data);
+ }
+
+ if (!b->busy) {
+ b->recursion++;
+ gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(b->widget), FALSE);
+ b->recursion--;
+ }
+}
+
+/**
+ * Create a button
+ *
+ * \param parent IN parent window
+ * \param x IN X-position
+ * \param y IN Y-position
+ * \param helpStr IN Help string
+ * \param labelStr IN Label
+ * \param option IN Options
+ * \param width IN Width of button
+ * \param action IN Callback
+ * \param data IN User data as context
+ * \returns button widget
+ */
+
+wButton_p wButtonCreate(
+ wWin_p parent,
+ wPos_t x,
+ wPos_t y,
+ const char * helpStr,
+ const char * labelStr,
+ long option,
+ wPos_t width,
+ wButtonCallBack_p action,
+ void * data)
+{
+ wButton_p b;
+ b = wlibAlloc(parent, B_BUTTON, x, y, labelStr, sizeof *b, data);
+ b->option = option;
+ b->action = action;
+ wlibComputePos((wControl_p)b);
+
+ b->widget = gtk_toggle_button_new();
+ g_signal_connect(GTK_OBJECT(b->widget), "clicked",
+ G_CALLBACK(pushButt), b);
+ if (width > 0) {
+ gtk_widget_set_size_request(b->widget, width, -1);
+ }
+ if( labelStr ){
+ wButtonSetLabel(b, labelStr);
+ }
+
+ gtk_fixed_put(GTK_FIXED(parent->widget), b->widget, b->realX, b->realY);
+
+ if (option & BB_DEFAULT) {
+ gtk_widget_set_can_default(b->widget, GTK_CAN_DEFAULT);
+ gtk_widget_grab_default(b->widget);
+ gtk_window_set_default(GTK_WINDOW(parent->gtkwin), b->widget);
+ }
+
+ wlibControlGetSize((wControl_p)b);
+
+ if (width == 0 && b->w < MIN_BUTTON_WIDTH && (b->option&BO_ICON)==0) {
+ b->w = MIN_BUTTON_WIDTH;
+ gtk_widget_set_size_request(b->widget, b->w, b->h);
+ }
+
+ gtk_widget_show(b->widget);
+ wlibAddButton((wControl_p)b);
+ wlibAddHelpString(b->widget, helpStr);
+ return b;
+}
+
+
+/*
+ *****************************************************************************
+ *
+ * Choice Boxes
+ *
+ *****************************************************************************
+ */
+
+struct wChoice_t {
+ WOBJ_COMMON
+ long *valueP;
+ wChoiceCallBack_p action;
+ int recursion;
+};
+
+
+/**
+ * Get the state of a group of buttons. If the group consists of
+ * radio buttons, the return value is the index of the selected button
+ * or -1 for none. If toggle buttons are checked, a bit is set for each
+ * button that is active.
+ *
+ * \param bc IN
+ * \returns state of group
+ */
+
+static long choiceGetValue(
+ wChoice_p bc)
+{
+ GList * child, * children;
+ long value, inx;
+
+ if (bc->type == B_TOGGLE) {
+ value = 0;
+ } else {
+ value = -1;
+ }
+
+ for (children=child=gtk_container_get_children(GTK_CONTAINER(bc->widget)),inx=0;
+ child; child=child->next,inx++) {
+ if (gtk_toggle_button_get_active(child->data)) {
+ if (bc->type == B_TOGGLE) {
+ value |= (1<<inx);
+ } else {
+ value = inx;
+ }
+ }
+ }
+
+ if (children) {
+ g_list_free(children);
+ }
+
+ return value;
+}
+
+/**
+ * Set the active radio button in a group
+ *
+ * \param bc IN button group
+ * \param value IN index of active button
+ */
+
+void wRadioSetValue(
+ wChoice_p bc, /* Radio box */
+ long value) /* Value */
+{
+ GList * child, * children;
+ long inx;
+
+ for (children=child=gtk_container_get_children(GTK_CONTAINER(bc->widget)),inx=0;
+ child; child=child->next,inx++) {
+ if (inx == value) {
+ bc->recursion++;
+ gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(child->data), TRUE);
+ bc->recursion--;
+ }
+ }
+
+ if (children) {
+ g_list_free(children);
+ }
+}
+
+/**
+ * Get the active button from a group of radio buttons
+ *
+ * \param bc IN
+ * \returns
+ */
+
+long wRadioGetValue(
+ wChoice_p bc) /* Radio box */
+{
+ return choiceGetValue(bc);
+}
+
+/**
+ * Set a group of toggle buttons from a bitfield
+ *
+ * \param bc IN button group
+ * \param value IN bitfield
+ */
+
+void wToggleSetValue(
+ wChoice_p bc, /* Toggle box */
+ long value) /* Values */
+{
+ GList * child, * children;
+ long inx;
+ bc->recursion++;
+
+ for (children=child=gtk_container_get_children(GTK_CONTAINER(bc->widget)),inx=0;
+ child; child=child->next,inx++) {
+ gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(child->data),
+ (value&(1<<inx))!=0);
+ }
+
+ if (children) {
+ g_list_free(children);
+ }
+
+ bc->recursion--;
+}
+
+
+/**
+ * Get the active buttons from a group of toggle buttons
+ *
+ * \param b IN
+ * \returns
+ */
+
+long wToggleGetValue(
+ wChoice_p b) /* Toggle box */
+{
+ return choiceGetValue(b);
+}
+
+/**
+ * Signal handler for button selection in radio buttons and toggle
+ * button group
+ *
+ * \param widget IN the button group
+ * \param b IN user data (button group????)
+ * \returns always 1
+ */
+
+static int pushChoice(
+ GtkWidget *widget,
+ gpointer b)
+{
+ wChoice_p bc = (wChoice_p)b;
+ long value = choiceGetValue(bc);
+
+ if (debugWindow >= 2) {
+ printf("%s choice pushed = %ld\n", bc->labelStr?bc->labelStr:"No label",
+ value);
+ }
+
+ if (bc->type == B_RADIO &&
+ !(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))) {
+ return 1;
+ }
+
+ if (bc->recursion) {
+ return 1;
+ }
+
+ if (bc->valueP) {
+ *bc->valueP = value;
+ }
+
+ if (bc->action) {
+ bc->action(value, bc->data);
+ }
+
+ return 1;
+}
+
+/**
+ * Signal handler used to draw a frame around a widget, used to visually
+ * group several buttons together
+ *
+ * \param b IN widget
+ */
+
+static void choiceRepaint(
+ wControl_p b)
+{
+ wChoice_p bc = (wChoice_p)b;
+
+ if (gtk_widget_get_visible(b->widget)) {
+ wlibDrawBox(bc->parent, wBoxBelow, bc->realX-1, bc->realY-1, bc->w+1, bc->h+1);
+ }
+}
+
+/**
+ * Create a group of radio buttons.
+ *
+ * \param parent IN parent window
+ * \param x IN X-position
+ * \param y IN Y-position
+ * \param helpStr IN Help string
+ * \param labelStr IN Label
+ * \param option IN Options
+ * \param labels IN Labels
+ * \param valueP IN Selected value
+ * \param action IN Callback
+ * \param data IN User data as context
+ * \returns radio button widget
+ */
+
+wChoice_p wRadioCreate(
+ wWin_p parent,
+ wPos_t x,
+ wPos_t y,
+ const char * helpStr,
+ const char * labelStr,
+ long option,
+ const char **labels,
+ long *valueP,
+ wChoiceCallBack_p action,
+ void *data)
+{
+ wChoice_p b;
+ const char ** label;
+ GtkWidget *butt0=NULL, *butt;
+
+ if ((option & BC_NOBORDER)==0) {
+ if (x>=0) {
+ x++;
+ } else {
+ x--;
+ }
+
+ if (y>=0) {
+ y++;
+ } else {
+ y--;
+ }
+ }
+
+ b = wlibAlloc(parent, B_RADIO, x, y, labelStr, sizeof *b, data);
+ b->option = option;
+ b->action = action;
+ b->valueP = valueP;
+ wlibComputePos((wControl_p)b);
+
+ if (option&BC_HORZ) {
+ b->widget = gtk_hbox_new(FALSE, 0);
+ } else {
+ b->widget = gtk_vbox_new(FALSE, 0);
+ }
+
+ if (b->widget == 0) {
+ abort();
+ }
+
+ for (label=labels; *label; label++) {
+ butt = gtk_radio_button_new_with_label(
+ butt0?gtk_radio_button_get_group(GTK_RADIO_BUTTON(butt0)):NULL, _(*label));
+
+ if (butt0==NULL) {
+ butt0 = butt;
+ }
+
+ gtk_box_pack_start(GTK_BOX(b->widget), butt, TRUE, TRUE, 0);
+ gtk_widget_show(butt);
+ g_signal_connect(GTK_OBJECT(butt), "toggled",
+ G_CALLBACK(pushChoice), b);
+ wlibAddHelpString(butt, helpStr);
+ }
+
+ if (option & BB_DEFAULT) {
+ gtk_widget_set_can_default(b->widget, TRUE);
+ gtk_widget_grab_default(b->widget);
+ }
+
+ if (valueP) {
+ wRadioSetValue(b, *valueP);
+ }
+
+ if ((option & BC_NOBORDER)==0) {
+ b->repaintProc = choiceRepaint;
+ b->w += 2;
+ b->h += 2;
+ }
+
+ gtk_fixed_put(GTK_FIXED(parent->widget), b->widget, b->realX, b->realY);
+ wlibControlGetSize((wControl_p)b);
+
+ if (labelStr) {
+ b->labelW = wlibAddLabel((wControl_p)b, labelStr);
+ }
+
+ gtk_widget_show(b->widget);
+ wlibAddButton((wControl_p)b);
+ return b;
+}
+
+/**
+ * Create a group of toggle buttons.
+ *
+ * \param parent IN parent window
+ * \param x IN X-position
+ * \param y IN Y-position
+ * \param helpStr IN Help string
+ * \param labelStr IN Label
+ * \param option IN Options
+ * \param labels IN Labels
+ * \param valueP IN Selected value
+ * \param action IN Callback
+ * \param data IN User data as context
+ * \returns toggle button widget
+ */
+
+wChoice_p wToggleCreate(
+ wWin_p parent,
+ wPos_t x,
+ wPos_t y,
+ const char * helpStr,
+ const char * labelStr,
+ long option,
+ const char **labels,
+ long *valueP,
+ wChoiceCallBack_p action,
+ void *data)
+{
+ wChoice_p b;
+ const char ** label;
+
+ if ((option & BC_NOBORDER)==0) {
+ if (x>=0) {
+ x++;
+ } else {
+ x--;
+ }
+
+ if (y>=0) {
+ y++;
+ } else {
+ y--;
+ }
+ }
+
+ b = wlibAlloc(parent, B_TOGGLE, x, y, labelStr, sizeof *b, data);
+ b->option = option;
+ b->action = action;
+ wlibComputePos((wControl_p)b);
+
+ if (option&BC_HORZ) {
+ b->widget = gtk_hbox_new(FALSE, 0);
+ } else {
+ b->widget = gtk_vbox_new(FALSE, 0);
+ }
+
+ if (b->widget == 0) {
+ abort();
+ }
+
+ for (label=labels; *label; label++) {
+ GtkWidget *butt;
+
+ butt = gtk_check_button_new_with_label(_(*label));
+ gtk_box_pack_start(GTK_BOX(b->widget), butt, TRUE, TRUE, 0);
+ gtk_widget_show(butt);
+ g_signal_connect(GTK_OBJECT(butt), "toggled",
+ G_CALLBACK(pushChoice), b);
+ wlibAddHelpString(butt, helpStr);
+ }
+
+ if (valueP) {
+ wToggleSetValue(b, *valueP);
+ }
+
+ if ((option & BC_NOBORDER)==0) {
+ b->repaintProc = choiceRepaint;
+ b->w += 2;
+ b->h += 2;
+ }
+
+ gtk_fixed_put(GTK_FIXED(parent->widget), b->widget, b->realX, b->realY);
+ wlibControlGetSize((wControl_p)b);
+
+ if (labelStr) {
+ b->labelW = wlibAddLabel((wControl_p)b, labelStr);
+ }
+
+ gtk_widget_show(b->widget);
+ wlibAddButton((wControl_p)b);
+ return b;
+}
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