Project Homepage

Sourceforge Page

CVS Repository

Freshmeat.net Page

Download project

Author's Homepage

---

callbacks.c File Reference

---

Detailed Description

callback function deffinitions

Definition in file callbacks.c.

#include <gtk/gtk.h>
#include <gtk/gtkcombo.h>
#include <gdk/gdkkeysyms.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include "callbacks.h"
#include "interface.h"
#include "support.h"
#include "comboHandlers.h"
#include "comboBox.h"
#include "main.h"

Include dependency graph for callbacks.c:

Go to the source code of this file.

Defines
#define	EMPTY_LIST_HEIGHT   (15)
Functions
void	on_mainWindow_destroy (GtkObject *object, gpointer user_data)
	called when the main window is destroyed
void	on_combo_entry1_changed (GtkEditable *editable, gpointer user_data)
gboolean	on_combo_key_press_event (GtkWidget *widget, GdkEventKey *event, gpointer user_data)
gboolean	on_combo_entry1_key_press_event (GtkWidget *widget, GdkEventKey *event, gpointer user_data)
	handle when a keypress event occures in the combo box.
void	on_browseButton_clicked (GtkButton *button, gpointer user_data)
void	on_checkbutton_toggled (GtkToggleButton *togglebutton, gpointer user_data)
	handle setting the run_in_term mode
void	on_ok_button1_clicked (GtkButton *button, gpointer user_data)
	Handle the OK button clicked in the fileselection dialog.
void	on_cancel_button1_clicked (GtkButton *button, gpointer user_data)
gboolean	on_fileselection_key_press_event (GtkWidget *widget, GdkEventKey *event, gpointer user_data)
gboolean	on_mainWindow_key_press_event (GtkWidget *widget, GdkEventKey *event, gpointer user_data)
	Handle a keypress event at the toplevel window level.
void	on_runButton_clicked (GtkButton *button, gpointer user_data)
	Execute the command in the combo entry box.
void	on_optionsButton_clicked (GtkButton *button, gpointer user_data)
	Handle the options mode selection.
void	handle_options_display ()
	Handle options display.
void	on_whoEntry_grab_focus (GtkWidget *widget, gpointer user_data)
void	on_passwordEntry_grab_focus (GtkWidget *widget, gpointer user_data)
gboolean	on_fileselection_delete_event (GtkWidget *widget, GdkEvent *event, gpointer user_data)
void	gtk_combo_get_pos (GtkCombo *combo, gint *x, gint *y, gint *height, gint *width)
	figure out the combo box positions
void	dialog_ok_clicked (GtkButton *button, gpointer user_data)
	handle a dialog ok button click
Variables
gboolean	vbox2Up = FALSE
	whether the "options" box is up (disabled)

---

Define Documentation

#define EMPTY_LIST_HEIGHT   (15)

Definition at line 461 of file callbacks.c. Referenced by gtk_combo_get_pos().

---

Function Documentation

void dialog_ok_clicked (  GtkButton *  button, gpointer  user_data )

handle a dialog ok button click Definition at line 568 of file callbacks.c. Referenced by keystrokes_dialog(). { gtk_widget_destroy(GTK_WIDGET(user_data)); }

void gtk_combo_get_pos (  GtkCombo *  combo, gint *  x, gint *  y, gint *  height, gint *  width )  [static]

figure out the combo box positions Author: NOT ME! whoever wrote gtkhacks... Warning: This function is "borrowed" from gtkhacks of glade (i think) Purpose: grab the position of the combo box Todo: REDO THIS FUNCTION! This function is not mine! (see gtkhacks) Definition at line 479 of file callbacks.c. References EMPTY_LIST_HEIGHT. { GtkBin *popwin; GtkWidget *widget; GtkScrolledWindow *popup; gint real_height; GtkRequisition list_requisition; gboolean show_hscroll = FALSE; gboolean show_vscroll = FALSE; gint avail_height; gint min_height; gint alloc_width; gint work_height; gint old_height; gint old_width; widget = GTK_WIDGET(combo); popup = GTK_SCROLLED_WINDOW (combo->popup); popwin = GTK_BIN (combo->popwin); gtk_widget_realize(GTK_WIDGET(combo->entry)); gdk_window_get_origin (combo->entry->window, x, y); real_height = MIN (combo->entry->requisition.height, combo->entry->allocation.height); *y += real_height; avail_height = gdk_screen_height () - *y; gtk_widget_size_request (combo->list, &list_requisition); min_height = MIN (list_requisition.height, popup->vscrollbar->requisition.height); if (!GTK_LIST (combo->list)->children) list_requisition.height += EMPTY_LIST_HEIGHT; alloc_width = (widget->allocation.width - 2 * popwin->child->style->klass->xthickness - 2 * GTK_CONTAINER (popwin->child)->border_width - 2 * GTK_CONTAINER (combo->popup)->border_width - 2 * GTK_CONTAINER (GTK_BIN (popup)->child)->border_width - 2 * GTK_BIN (popup)->child->style->klass->xthickness); work_height = (2 * popwin->child->style->klass->ythickness + 2 * GTK_CONTAINER (popwin->child)->border_width + 2 * GTK_CONTAINER (combo->popup)->border_width + 2 * GTK_CONTAINER (GTK_BIN (popup)->child)->border_width + 2 * GTK_BIN (popup)->child->style->klass->xthickness); do { old_width = alloc_width; old_height = work_height; if (!show_hscroll && alloc_width < list_requisition.width) { work_height += popup->hscrollbar->requisition.height + GTK_SCROLLED_WINDOW_CLASS (GTK_OBJECT (combo->popup)->klass)->scrollbar_spacing; show_hscroll = TRUE; } if (!show_vscroll && work_height + list_requisition.height > avail_height) { if (work_height + min_height > avail_height && *y - real_height > avail_height) { *y -= (work_height + list_requisition.height + real_height); break; } alloc_width -= popup->vscrollbar->requisition.width + GTK_SCROLLED_WINDOW_CLASS (GTK_OBJECT (combo->popup)->klass)->scrollbar_spacing; show_vscroll = TRUE; } } while (old_width != alloc_width || old_height != work_height); *width = widget->allocation.width; if (show_vscroll) *height = avail_height; else *height = work_height + list_requisition.height; if (*x < 0) *x = 0; }

void handle_options_display (   )

Handle options display. Author: Karl N. Redman Purpose: Handle mainWindow resizing when Options are desired set the focus to the combo box hide the vbox resize the main window Definition at line 403 of file callbacks.c. References combo1, mainWindow, vbox2, and vbox2Up. Referenced by on_optionsButton_clicked(), on_passwordEntry_grab_focus(), and on_whoEntry_grab_focus(). { if(vbox2Up) { int x; int y; ///set the focus to the combo box gtk_widget_grab_focus(GTK_WIDGET(GTK_COMBO (combo1)->entry)); ///hide the vbox gtk_widget_hide (vbox2); /// resize the main window gdk_window_get_origin(mainWindow->window, &x, &y); gdk_window_move (mainWindow->window, x, y); //set the flag vbox2Up = FALSE; } else { //show the vbox gtk_widget_show (vbox2); vbox2Up = TRUE; } }

void on_browseButton_clicked (  GtkButton *  button, gpointer  user_data )

Definition at line 206 of file callbacks.c. References fileselection. Referenced by create_mainWindow(). { gtk_widget_show (fileselection); }

void on_cancel_button1_clicked (  GtkButton *  button, gpointer  user_data )

Definition at line 269 of file callbacks.c. References fileselection. Referenced by create_fileselection(). { gtk_widget_hide (fileselection); }

void on_checkbutton_toggled (  GtkToggleButton *  togglebutton, gpointer  user_data )

handle setting the run_in_term mode Author: Karl N. Redman Purpose: Toggle between run_in_term and normal (exit) modes of operation Definition at line 223 of file callbacks.c. References run_in_term. Referenced by create_mainWindow(). { if(!run_in_term) run_in_term = TRUE; else run_in_term = FALSE; }

void on_combo_entry1_changed (  GtkEditable *  editable, gpointer  user_data )

Definition at line 74 of file callbacks.c. Referenced by create_mainWindow(). { }

gboolean on_combo_entry1_key_press_event (  GtkWidget *  widget, GdkEventKey *  event, gpointer  user_data )

handle when a keypress event occures in the combo box. Author: Karl N. Redman Note: This is a lengthy function for now. run-free 3.0 will handle this better in the futue. For now we just handle the common functionality of the application from here Definition at line 99 of file callbacks.c. References combo1, die, gtk_combo_get_pos(), history_file, keep_open, keystrokes_dialog(), run_command(), and writeHistory(). Referenced by create_mainWindow(). { //save the previous key press (for control chars) static unsigned int prevKey =0; if(event->keyval == GDK_Return || event->keyval == GDK_KP_Enter) // run command { if(strcmp(gtk_entry_get_text(GTK_ENTRY( GTK_COMBO(combo1)->entry)), "") !=0 && gtk_entry_get_text(GTK_ENTRY( GTK_COMBO(combo1)->entry)) != NULL) { writeHistory(gtk_entry_get_text(GTK_ENTRY( GTK_COMBO(combo1)->entry)), history_file); run_command(gtk_entry_get_text(GTK_ENTRY( GTK_COMBO(combo1)->entry))); gtk_widget_grab_focus(GTK_WIDGET(GTK_COMBO (combo1)->entry)); } return TRUE; } else if(event->keyval == GDK_u) { if(prevKey == GDK_Alt_L || prevKey == GDK_Alt_R) { if(die) die=FALSE; else die=TRUE; } } else if(event->keyval == GDK_y) { if(prevKey == GDK_Alt_L || prevKey == GDK_Alt_R) { if(keep_open) keep_open=FALSE; else keep_open=TRUE; } } else if(event->keyval == GDK_h) { if(prevKey == GDK_Alt_L || prevKey == GDK_Alt_R) { keystrokes_dialog(); } } if(event->keyval == GDK_space) { if(prevKey == GDK_Control_L || prevKey == GDK_Control_R || prevKey == GDK_Alt_L || prevKey == GDK_Alt_R) { gint x =0, y =0, height =0, width =0, old_height =0, old_width =0; //we have to grab the combo position gtk_combo_get_pos(GTK_COMBO(combo1), &x, &y, &height, &width); //see if we have the focus if (!GTK_WIDGET_HAS_FOCUS (GTK_COMBO(combo1)->entry)) gtk_widget_grab_focus (GTK_COMBO(combo1)->entry); //deliver all events to the popwin gtk_grab_add (GTK_COMBO(combo1)->popwin); //grab ponter (mouse) and all other events gdk_pointer_grab (GTK_COMBO(combo1)->popwin->window, TRUE, GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK, NULL, NULL, GDK_CURRENT_TIME); /* I don't know why this is being evil but the widget needs to be resized... */ if (width != old_width || height != old_height) { gtk_widget_hide (GTK_SCROLLED_WINDOW (GTK_COMBO(combo1)->popup)->hscrollbar); gtk_widget_hide (GTK_SCROLLED_WINDOW (GTK_COMBO(combo1)->popup)->vscrollbar); } //set the position of the listbox gtk_widget_set_uposition (GTK_COMBO(combo1)->popwin, x, y); gtk_widget_set_usize (GTK_COMBO(combo1)->popwin, width, height); gtk_widget_realize (GTK_COMBO(combo1)->popwin); gdk_window_resize (GTK_COMBO(combo1)->popwin->window, width, height); gtk_widget_show(GTK_COMBO(combo1)->popwin); } return FALSE; } else if(event->keyval == GDK_Control_L || event->keyval == GDK_Control_R || event->keyval == GDK_Alt_L || event->keyval ==GDK_Alt_R) prevKey = event->keyval; else prevKey = 0; return FALSE; }

Here is the call graph for this function:

gboolean on_combo_key_press_event (  GtkWidget *  widget, GdkEventKey *  event, gpointer  user_data )

Definition at line 81 of file callbacks.c. Referenced by create_mainWindow(). { return TRUE; }

gboolean on_fileselection_delete_event (  GtkWidget *  widget, GdkEvent *  event, gpointer  user_data )

Definition at line 450 of file callbacks.c. References fileselection. Referenced by create_fileselection(). { gtk_widget_hide (fileselection); return TRUE; }

gboolean on_fileselection_key_press_event (  GtkWidget *  widget, GdkEventKey *  event, gpointer  user_data )

Definition at line 277 of file callbacks.c. Referenced by create_fileselection(). { if(event->keyval == GDK_Escape) // quit { //cancel operations gtk_button_clicked(GTK_BUTTON(GTK_FILE_SELECTION(widget)->cancel_button)); } return FALSE; }

void on_mainWindow_destroy (  GtkObject *  object, gpointer  user_data )

called when the main window is destroyed Author: Karl N. Redman Purpose: cleans up before exiting Definition at line 58 of file callbacks.c. References cbitems, command, freeList(), history_file, home_directory, and terminal_path. Referenced by create_mainWindow(). { //cleanup freeList(cbitems); g_free(history_file); g_free(home_directory); g_free(command); g_free(terminal_path); //die gtk_main_quit(); }

Here is the call graph for this function:

gboolean on_mainWindow_key_press_event (  GtkWidget *  widget, GdkEventKey *  event, gpointer  user_data )

Handle a keypress event at the toplevel window level. Author: Karl N. Redman Purpose: Takes care of default keystrokes (closing the App. etc.). Definition at line 299 of file callbacks.c. References combo1, combo_init(), combo_mode, keystrokes_dialog(), RF_HISTORY_MODE, and RF_MAX_MODE. Referenced by create_mainWindow(). { static unsigned int prevKey =0; //return on_combo_entry1_key_press_event(widget, event, user_data); if(event->keyval == GDK_Escape) // quit { //cancel operations -"destroy" gtk_main_quit(); } else if(event->keyval ==GDK_c) { gtk_widget_grab_focus(GTK_WIDGET(GTK_COMBO (combo1)->entry)); } else if(event->keyval == GDK_m) // history mode -should be anaccelerator { if(prevKey == GDK_Control_L || prevKey == GDK_Control_R) { if(combo_mode < RF_MAX_MODE) combo_mode++; else if(combo_mode >= RF_MAX_MODE) combo_mode = RF_HISTORY_MODE; combo_init(combo_mode); } } else if(event->keyval == GDK_h) { if(prevKey == GDK_Alt_L || prevKey == GDK_Alt_R) { keystrokes_dialog(); } } else if(event->keyval == GDK_Control_L || event->keyval == GDK_Control_R) prevKey = event->keyval; else prevKey = 0; return FALSE; }

Here is the call graph for this function:

void on_ok_button1_clicked (  GtkButton *  button, gpointer  user_data )

Handle the OK button clicked in the fileselection dialog. Author: Karl N. Redman Purpose: Sets the combo box entry and hides the fileselection dialog. Todo: clear the file selection by stripping off the file name ? Definition at line 243 of file callbacks.c. References combo1, and fileselection. Referenced by create_fileselection(). { //space and null are the +1's char s[strlen(gtk_entry_get_text(GTK_ENTRY( GTK_COMBO(combo1)->entry))) +1 + strlen( gtk_file_selection_get_filename(GTK_FILE_SELECTION(fileselection))) +1]; //set the combo box string sprintf(s, "%s %s", gtk_entry_get_text(GTK_ENTRY( GTK_COMBO(combo1)->entry)), gtk_file_selection_get_filename(GTK_FILE_SELECTION(fileselection))); //set the entry gtk_entry_set_text(GTK_ENTRY( GTK_COMBO(combo1)->entry), s); //hide the file dialog gtk_widget_hide (fileselection); /**\todo clear the file selection by stripping off the file name ? */ }

void on_optionsButton_clicked (  GtkButton *  button, gpointer  user_data )

Handle the options mode selection. Author: Karl N. Redman Purpose: Resize the main window and display the options allowed by the options mode of operation. Note: in order to resize the window we have to mess with the window policy of the mainWindow. This is pretty clumbsy here. Definition at line 373 of file callbacks.c. References handle_options_display(), and mainWindow. Referenced by create_mainWindow(). { //TODO (this needs to be made more intuitive!!!) static gboolean up = TRUE; /*! \note in order to resize the window we have to mess with the window policy of the mainWindow. This is pretty clumbsy here. */ if(up) gtk_window_set_policy (GTK_WINDOW (mainWindow), FALSE, FALSE, FALSE); else gtk_window_set_policy (GTK_WINDOW (mainWindow), FALSE, FALSE, TRUE); handle_options_display(); gtk_window_set_policy (GTK_WINDOW (mainWindow), TRUE, TRUE, TRUE); if(up) up=TRUE; else up=FALSE; }

Here is the call graph for this function:

void on_passwordEntry_grab_focus (  GtkWidget *  widget, gpointer  user_data )

Definition at line 442 of file callbacks.c. References handle_options_display(), and vbox2Up. Referenced by create_mainWindow(). { if(!vbox2Up) handle_options_display(); }

Here is the call graph for this function:

void on_runButton_clicked (  GtkButton *  button, gpointer  user_data )

Execute the command in the combo entry box. Author: Karl N. Redman Purpose: Write to the history file and execute the command in the entry box. Definition at line 352 of file callbacks.c. References combo1, history_file, run_command(), and writeHistory(). Referenced by create_mainWindow(). { if(strcmp(gtk_entry_get_text(GTK_ENTRY( GTK_COMBO(combo1)->entry)), "") !=0 && gtk_entry_get_text(GTK_ENTRY( GTK_COMBO(combo1)->entry)) != NULL) { writeHistory(gtk_entry_get_text(GTK_ENTRY( GTK_COMBO(combo1)->entry)), history_file); run_command(gtk_entry_get_text(GTK_ENTRY( GTK_COMBO(combo1)->entry))); } }

Here is the call graph for this function:

void on_whoEntry_grab_focus (  GtkWidget *  widget, gpointer  user_data )

Definition at line 433 of file callbacks.c. References handle_options_display(), and vbox2Up. Referenced by create_mainWindow(). { if(!vbox2Up) handle_options_display(); }

Here is the call graph for this function:

---

Variable Documentation

gboolean vbox2Up = FALSE

whether the "options" box is up (disabled) Definition at line 47 of file callbacks.c. Referenced by handle_options_display(), on_passwordEntry_grab_focus(), and on_whoEntry_grab_focus().

---