diff options
Diffstat (limited to 'mixgtk/mixgtk_mixvm.c')
-rw-r--r-- | mixgtk/mixgtk_mixvm.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/mixgtk/mixgtk_mixvm.c b/mixgtk/mixgtk_mixvm.c new file mode 100644 index 0000000..ba5023a --- /dev/null +++ b/mixgtk/mixgtk_mixvm.c @@ -0,0 +1,220 @@ +/* -*-c-*- -------------- mixgtk_mixvm.c : + * Implementation of the functions declared in mixgtk_mixvm.h + * ------------------------------------------------------------------ + * Last change: Time-stamp: "01/03/08 23:22:49 jose" + * ------------------------------------------------------------------ + * Copyright (C) 2001 Free Software Foundation, Inc. + * + * 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 <mixlib/xmix_vm.h> +#include "mixgtk_widgets.h" +#include "mixgtk_mixvm.h" + +/* register widgets */ +#define REGISTER_NO_ (MIXGTK_WIDGET_rI6 - MIXGTK_WIDGET_rA + 1) + +static GtkEntry *reg_entries_[REGISTER_NO_]; +static GtkToggleButton *over_button_; +static GtkToggleButton *cmp_buttons_[3]; +static GtkCList *memory_; +static mix_vm_t *vm_; + + +static void +update_register_ (mixgtk_widget_id_t reg) +{ + static gchar BUFFER[20]; + switch (reg) + { + case MIXGTK_WIDGET_rA: + mix_word_print_to_buffer (mix_vm_get_rA (vm_), BUFFER); + break; + case MIXGTK_WIDGET_rX: + mix_word_print_to_buffer (mix_vm_get_rX (vm_), BUFFER); + break; + case MIXGTK_WIDGET_rJ: + mix_short_print_to_buffer (mix_vm_get_rJ (vm_), BUFFER); + break; + case MIXGTK_WIDGET_rI1: + case MIXGTK_WIDGET_rI2: + case MIXGTK_WIDGET_rI3: + case MIXGTK_WIDGET_rI4: + case MIXGTK_WIDGET_rI5: + case MIXGTK_WIDGET_rI6: + mix_short_print_to_buffer (mix_vm_get_rI (vm_, + reg - MIXGTK_WIDGET_rI1 + 1), + BUFFER); + break; + default: + g_assert_not_reached (); + } + gtk_entry_set_text (reg_entries_[reg - MIXGTK_WIDGET_rA], BUFFER); +} + + +static void +on_mem_adj_change_ (GtkAdjustment *adj) +{ + mixgtk_mixvm_update_cells (); +} + + +/* initialise the mixvm widgets */ +gboolean +mixgtk_mixvm_init (mix_vm_t *vm) +{ + int k; + gchar *text[] = {"", ""}; + GtkWidget *scrol; + GtkAdjustment *adj; + + g_return_val_if_fail (vm != NULL, FALSE); + vm_ = vm; + + for (k = 0; k < REGISTER_NO_; ++k) + { + reg_entries_[k] = + GTK_ENTRY (mixgtk_widget_factory_get (MIXGTK_WIDGET_rA + k)); + g_return_val_if_fail (reg_entries_[k] != NULL, FALSE); + } + + over_button_ = + GTK_TOGGLE_BUTTON (mixgtk_widget_factory_get (MIXGTK_WIDGET_OVER)); + g_return_val_if_fail (over_button_ != NULL, FALSE); + + for (k = 0; k < 3; ++k) + { + cmp_buttons_[k] = + GTK_TOGGLE_BUTTON (mixgtk_widget_factory_get (MIXGTK_WIDGET_CMP_L +k)); + g_return_val_if_fail (cmp_buttons_[k] != NULL, FALSE); + } + + memory_ = GTK_CLIST (mixgtk_widget_factory_get (MIXGTK_WIDGET_CELLS)); + g_return_val_if_fail (memory_ != NULL, FALSE); + gtk_clist_set_column_justification (memory_, 0, GTK_JUSTIFY_CENTER); + gtk_clist_set_column_justification (memory_, 1, GTK_JUSTIFY_CENTER); + gtk_clist_freeze (memory_); + for (k = 0; k< MIX_VM_CELL_NO; ++k) + { + gchar buffer[20]; + sprintf (buffer, "%04d", k); + text[0] = buffer; + gtk_clist_append (memory_, text); + } + gtk_clist_thaw (memory_); + + scrol = mixgtk_widget_factory_get_by_name ("memory_scroll"); + adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (scrol)); + gtk_signal_connect (GTK_OBJECT (adj), "value_changed", + GTK_SIGNAL_FUNC (on_mem_adj_change_), NULL); + + mixgtk_mixvm_update_vm_widgets (); + + return TRUE; +} + + +/* update register widgets */ +void +mixgtk_mixvm_update_registers (void) +{ + gint k; + for (k = MIXGTK_WIDGET_rA; k <= MIXGTK_WIDGET_rI6; ++k) + update_register_ (k); +} + +/* update the overflow toggle */ +void +mixgtk_mixvm_update_over_toggle (void) +{ + g_assert (over_button_ != NULL); + gtk_toggle_button_set_active (over_button_, + mix_vm_get_overflow (vm_)); +} + +/* update the comparison flag */ +void +mixgtk_mixvm_update_cmp (void) +{ + gint toggle; + toggle = mix_vm_get_cmpflag (vm_); + gtk_toggle_button_set_active (cmp_buttons_[toggle], TRUE); +} + + +/* update the memory cells */ +void +mixgtk_mixvm_update_cells (void) +{ + static gchar BUFFER[20]; + gint k = 0; + + gtk_clist_freeze (memory_); + + while (gtk_clist_row_is_visible (memory_, k) == GTK_VISIBILITY_NONE) ++k; + while (gtk_clist_row_is_visible (memory_, k) != GTK_VISIBILITY_NONE) + { + mix_word_print_to_buffer (mix_vm_get_addr_contents (vm_, k), BUFFER); + gtk_clist_set_text (memory_, k, 1, BUFFER); + ++k; + } + + gtk_clist_thaw (memory_); +} + + +/* update all mixvm widgets */ +void +mixgtk_mixvm_update_vm_widgets (void) +{ + mixgtk_mixvm_update_registers (); + mixgtk_mixvm_update_over_toggle (); + mixgtk_mixvm_update_cmp (); + mixgtk_mixvm_update_cells (); +} + + +/* update cmp flag */ +void +on_cmp_e_toggled (GtkWidget *widget, gpointer data) +{ + if (GTK_TOGGLE_BUTTON (widget)->active) + mix_vm_set_cmpflag (vm_, mix_EQ); +} + +void +on_cmp_l_toggled (GtkWidget *widget, gpointer data) +{ + if (GTK_TOGGLE_BUTTON (widget)->active) + mix_vm_set_cmpflag (vm_, mix_LESS); +} + +void +on_cmp_g_toggled (GtkWidget *widget, gpointer data) +{ + if (GTK_TOGGLE_BUTTON (widget)->active) + mix_vm_set_cmpflag (vm_, mix_GREAT); +} + +void +on_overflow_toggled (GtkWidget *widget, gpointer data) +{ + mix_vm_set_overflow (vm_, GTK_TOGGLE_BUTTON (widget)->active); +} + + |