X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=src%2Fwindow.c;h=5f2bd5b349673bb2b46a755e46c3da8906c93240;hb=5a06246277a255fe6e0e465ce0f190541b7b0e16;hp=f533cc73da389cc5d5879b29571561fb53af648c;hpb=062bbb9e7322c8e3f5162f86fc2f93bfc587b830;p=rodin%2Fchimara.git diff --git a/src/window.c b/src/window.c index f533cc7..5f2bd5b 100644 --- a/src/window.c +++ b/src/window.c @@ -1,4 +1,5 @@ #include "window.h" +#include "magic.h" #include "chimara-glk-private.h" extern ChimaraGlkPrivate *glk_data; @@ -22,6 +23,8 @@ extern ChimaraGlkPrivate *glk_data; winid_t glk_window_iterate(winid_t win, glui32 *rockptr) { + VALID_WINDOW_OR_NULL(win, return NULL); + GNode *retnode; if(win == NULL) @@ -62,7 +65,7 @@ glk_window_iterate(winid_t win, glui32 *rockptr) glui32 glk_window_get_rock(winid_t win) { - g_return_val_if_fail(win != NULL, 0); + VALID_WINDOW(win, return 0); return win->rock; } @@ -78,7 +81,7 @@ glk_window_get_rock(winid_t win) glui32 glk_window_get_type(winid_t win) { - g_return_val_if_fail(win != NULL, 0); + VALID_WINDOW(win, return 0); return win->type; } @@ -96,7 +99,7 @@ glk_window_get_type(winid_t win) winid_t glk_window_get_parent(winid_t win) { - g_return_val_if_fail(win != NULL, NULL); + VALID_WINDOW(win, return NULL); /* Value will also be NULL if win is the root window */ return (winid_t)win->window_node->parent->data; } @@ -113,7 +116,7 @@ glk_window_get_parent(winid_t win) winid_t glk_window_get_sibling(winid_t win) { - g_return_val_if_fail(win != NULL, NULL); + VALID_WINDOW(win, return NULL); if(G_NODE_IS_ROOT(win->window_node)) return NULL; @@ -137,15 +140,6 @@ glk_window_get_root() return (winid_t)glk_data->root_window->data; } -/* Determine the size of a "0" character in pixels */ -static void -text_window_get_char_size(GtkWidget *textview, int *width, int *height) -{ - PangoLayout *zero = gtk_widget_create_pango_layout(textview, "0"); - pango_layout_get_pixel_size(zero, width, height); - g_object_unref(zero); -} - /** * glk_window_open: * @split: The window to split to create the new window. Must be 0 if there @@ -217,15 +211,11 @@ text_window_get_char_size(GtkWidget *textview, int *width, int *height) * * So to create a text buffer window which takes the top 40% of the original * window's space, you would execute - * - * newwin = #glk_window_open(win, #winmethod_Above | #winmethod_Proportional, 40, #wintype_TextBuffer, 0); - * + * |[ newwin = #glk_window_open(win, #winmethod_Above | #winmethod_Proportional, 40, #wintype_TextBuffer, 0); ]| * * To create a text grid which is always five lines high, at the bottom of the * original window, you would do - * - * newwin = #glk_window_open(win, #winmethod_Below | #winmethod_Fixed, 5, #wintype_TextGrid, 0); - * + * |[ newwin = #glk_window_open(win, #winmethod_Below | #winmethod_Fixed, 5, #wintype_TextGrid, 0); ]| * * Note that the meaning of the @size argument depends on the @method argument. * If the method is #winmethod_Fixed, it also depends on the @wintype argument. @@ -243,8 +233,17 @@ text_window_get_char_size(GtkWidget *textview, int *width, int *height) * What happens when there is a conflict? The rules are simple. Size control * always flows down the tree, and the player is at the top. Let's bring out an * example: - * Screen shot 5 - * + * + * + * + * + * O + * / \ + * O B + * / \ + * A C + * + * * * First we split A into A and B, with a 50% proportional split. Then we split * A into A and C, with C above, C being a text grid window, and C gets a fixed @@ -252,8 +251,8 @@ text_window_get_char_size(GtkWidget *textview, int *width, int *height) * of the 50% it had before. * * Now the player stretches the window vertically. - * Screen shot 6 - * + * + * * * The library figures: the topmost split, the original A/B split, is 50-50. So * B gets half the screen space, and the pair window next to it (the lower @@ -261,8 +260,18 @@ text_window_get_char_size(GtkWidget *textview, int *width, int *height) * O. C gets two rows; A gets the rest. All done. * * Then the user maliciously starts squeezing the window down, in stages: - * - * Screen shot 7 + * + * + * + * + * + * + * + * + * + * + * + * * * The logic remains the same. B always gets half the space. At stage 3, * there's no room left for A, so it winds up with zero height. Nothing @@ -296,8 +305,29 @@ text_window_get_char_size(GtkWidget *textview, int *width, int *height) * is stored by a window's parent, not the window itself; and a constraint * consists of a pointer to a key window plus a size value. * - * Screen shot 8 - * + * + * + * + * + * A + * + * + * + * + * O1 + * / \ + * A B + * + * + * + * + * O1 + * / \ + * O2 B + * / \ + * A C + * + * * After the first split, the new pair window (O1, which covers the whole * screen) knows that its first child (A) is above the second, and gets 50% of * its own area. (A is the key window for this split, but a proportional split @@ -312,8 +342,19 @@ text_window_get_char_size(GtkWidget *textview, int *width, int *height) * If we split C, now, the resulting pair will still be two C-font rows high * — that is, tall enough for two lines of whatever font C displays. For * the sake of example, we'll do this vertically. - * Screen shot 9 - * + * + * + * + * + * O1 + * / \ + * O2 B + * / \ + * A O3 + * / \ + * C D + * + * * * O3 now knows that its children have a 50-50 left-right split. O2 is still * committed to giving its upper child, O3, two C-font rows. Again, this is @@ -332,24 +373,19 @@ winid_t glk_window_open(winid_t split, glui32 method, glui32 size, glui32 wintype, glui32 rock) { - /* - if(split) - { - g_warning("glk_window_open: splitting of windows not implemented"); - return NULL; - } - */ + VALID_WINDOW_OR_NULL(split, return NULL); if(split == NULL && glk_data->root_window != NULL) { - g_warning("glk_window_open: there is already a root window"); + ILLEGAL("Tried to open a new root window, but there is already a root window"); return NULL; } gdk_threads_enter(); - /* We only create one window and don't support any more than that */ + /* Create the new window */ winid_t win = g_new0(struct glk_window_struct, 1); + win->magic = MAGIC_WINDOW; win->rock = rock; win->type = wintype; win->window_node = g_node_new(win); @@ -375,26 +411,23 @@ glk_window_open(winid_t split, glui32 method, glui32 size, glui32 wintype, case wintype_TextGrid: { - GtkWidget *scrolledwindow = gtk_scrolled_window_new(NULL, NULL); GtkWidget *textview = gtk_text_view_new(); - - gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(scrolledwindow), GTK_POLICY_NEVER, GTK_POLICY_NEVER ); - - gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW(textview), GTK_WRAP_CHAR ); + + gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW(textview), GTK_WRAP_NONE ); gtk_text_view_set_editable( GTK_TEXT_VIEW(textview), FALSE ); - - gtk_container_add( GTK_CONTAINER(scrolledwindow), textview ); - gtk_widget_show_all(scrolledwindow); + gtk_widget_show(textview); /* Set the window's font */ - /* TODO: Use Pango to pick out a monospace font on the system */ - PangoFontDescription *font = pango_font_description_from_string("Monospace"); - gtk_widget_modify_font(textview, font); - pango_font_description_free(font); + gtk_widget_modify_font(textview, glk_data->monospace_font_desc); win->widget = textview; - win->frame = scrolledwindow; - text_window_get_char_size( textview, &(win->unit_width), &(win->unit_height) ); + win->frame = textview; + + /* Determine the size of a "0" character in pixels */ + PangoLayout *zero = gtk_widget_create_pango_layout(textview, "0"); + pango_layout_set_font_description(zero, glk_data->monospace_font_desc); + pango_layout_get_pixel_size(zero, &(win->unit_width), &(win->unit_height)); + g_object_unref(zero); /* Set the other parameters (width and height are set later) */ win->window_stream = window_stream_new(win); @@ -415,15 +448,25 @@ glk_window_open(winid_t split, glui32 method, glui32 size, glui32 wintype, GtkWidget *textview = gtk_text_view_new(); GtkTextBuffer *textbuffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(textview) ); + gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(scrolledwindow), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC ); + gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW(textview), GTK_WRAP_WORD_CHAR ); gtk_text_view_set_editable( GTK_TEXT_VIEW(textview), FALSE ); gtk_container_add( GTK_CONTAINER(scrolledwindow), textview ); gtk_widget_show_all(scrolledwindow); + /* Set the window's font */ + gtk_widget_modify_font(textview, glk_data->default_font_desc); + win->widget = textview; win->frame = scrolledwindow; - text_window_get_char_size( textview, &(win->unit_width), &(win->unit_height) ); + + /* Determine the size of a "0" character in pixels */ + PangoLayout *zero = gtk_widget_create_pango_layout(textview, "0"); + pango_layout_set_font_description(zero, glk_data->default_font_desc); + pango_layout_get_pixel_size(zero, &(win->unit_width), &(win->unit_height)); + g_object_unref(zero); /* Set the other parameters */ win->window_stream = window_stream_new(win); @@ -443,6 +486,9 @@ glk_window_open(winid_t split, glui32 method, glui32 size, glui32 wintype, (for line input) */ gtk_text_buffer_create_tag(textbuffer, "uneditable", "editable", FALSE, "editable-set", TRUE, NULL); + /* Create the default styles available to the window stream */ + style_init_textbuffer(textbuffer); + /* Mark the position where the user will input text */ GtkTextIter end; gtk_text_buffer_get_end_iter(textbuffer, &end); @@ -452,120 +498,153 @@ glk_window_open(winid_t split, glui32 method, glui32 size, glui32 wintype, default: gdk_threads_leave(); - g_warning("%s: unsupported window type", __func__); + ILLEGAL_PARAM("Unknown window type: %u", wintype); g_free(win); g_node_destroy(glk_data->root_window); glk_data->root_window = NULL; return NULL; } + /* Set the minimum size to "as small as possible" so it doesn't depend on + the size of the window contents */ + gtk_widget_set_size_request(win->widget, 0, 0); + gtk_widget_set_size_request(win->frame, 0, 0); + if(split) { /* When splitting, construct a new parent window * copying most characteristics from the window that is being split */ winid_t pair = g_new0(struct glk_window_struct, 1); + pair->magic = MAGIC_WINDOW; pair->rock = 0; pair->type = wintype_Pair; pair->window_node = g_node_new(pair); - pair->unit_width = split->unit_width; - pair->unit_height = split->unit_height; - pair->window_stream = NULL; + /* You can print to a pair window's window stream, but it has no effect */ + pair->window_stream = window_stream_new(pair); pair->echo_stream = NULL; + /* The pair window must know about its children's split method */ + pair->key_window = win; + pair->split_method = method; + pair->constraint_size = size; + /* Insert the new window into the window tree */ if(split->window_node->parent == NULL) - { glk_data->root_window = pair->window_node; - } else { - g_node_append(split->window_node->parent, pair->window_node); + else + { + if( split->window_node == g_node_first_sibling(split->window_node) ) + g_node_prepend(split->window_node->parent, pair->window_node); + else + g_node_append(split->window_node->parent, pair->window_node); g_node_unlink(split->window_node); } - - /* Keep track of the parent widget of the window that is being split */ - GtkWidget* old_parent = gtk_widget_get_parent(split->frame); - gtk_widget_ref(split->frame); - gtk_widget_unparent(split->frame); - /* Place the windows in the correct order */ switch(method & winmethod_DirMask) { case winmethod_Left: - pair->widget = gtk_hbox_new(FALSE, 0); - gtk_box_pack_end(GTK_BOX(pair->widget), split->frame, TRUE, TRUE, 0); - gtk_box_pack_end(GTK_BOX(pair->widget), win->frame, TRUE, TRUE, 0); - g_node_append(pair->window_node, split->window_node); - g_node_append(pair->window_node, win->window_node); - break; - case winmethod_Right: - pair->widget = gtk_hbox_new(FALSE, 0); - gtk_box_pack_end(GTK_BOX(pair->widget), win->frame, TRUE, TRUE, 0); - gtk_box_pack_end(GTK_BOX(pair->widget), split->frame, TRUE, TRUE, 0); - g_node_append(pair->window_node, win->window_node); - g_node_append(pair->window_node, split->window_node); - break; case winmethod_Above: - pair->widget = gtk_vbox_new(FALSE, 0); - gtk_box_pack_end(GTK_BOX(pair->widget), split->frame, TRUE, TRUE, 0); - gtk_box_pack_end(GTK_BOX(pair->widget), win->frame, TRUE, TRUE, 0); - g_node_append(pair->window_node, split->window_node); g_node_append(pair->window_node, win->window_node); + g_node_append(pair->window_node, split->window_node); break; + case winmethod_Right: case winmethod_Below: - pair->widget = gtk_vbox_new(FALSE, 0); - gtk_box_pack_end(GTK_BOX(pair->widget), win->frame, TRUE, TRUE, 0); - gtk_box_pack_end(GTK_BOX(pair->widget), split->frame, TRUE, TRUE, 0); - g_node_append(pair->window_node, win->window_node); g_node_append(pair->window_node, split->window_node); + g_node_append(pair->window_node, win->window_node); break; } - gtk_widget_unref(split->frame); - /* TODO: set the new size of the windows */ - - pair->frame = pair->widget; - gtk_widget_set_parent(pair->widget, old_parent); - gtk_widget_show(pair->widget); } else { /* Set the window as root window */ glk_data->root_window = win->window_node; - gtk_widget_set_parent(win->frame, GTK_WIDGET(glk_data->self)); - gtk_widget_queue_resize(GTK_WIDGET(glk_data->self)); } - /* For text grid windows, wait until GTK draws the window (see note in glk_window_get_size() ), calculate the size and fill the buffer with blanks. */ + /* Set the window as a child of the Glk widget */ + gtk_widget_set_parent(win->frame, GTK_WIDGET(glk_data->self)); + gtk_widget_queue_resize(GTK_WIDGET(glk_data->self)); + + gdk_threads_leave(); + + /* For blank or pair windows, this is almost a no-op. For text grid and + text buffer windows, this will wait for GTK to draw the window. Otherwise, + opening a window and getting its size immediately will give you the wrong + size. */ + glk_window_get_size(win, NULL, NULL); + + /* For text grid windows, fill the buffer with blanks. */ if(wintype == wintype_TextGrid) { - while(win->widget->allocation.width == 1 && win->widget->allocation.height == 1) - { - /* Release the GDK lock momentarily */ - gdk_threads_leave(); - gdk_threads_enter(); - while(gtk_events_pending()) - gtk_main_iteration(); - } - win->width = (glui32)(win->widget->allocation.width / win->unit_width); - win->height = (glui32)(win->widget->allocation.height / win->unit_height); - - /* Mark the cursor position */ + /* Create the cursor position mark */ + gdk_threads_enter(); GtkTextIter begin; GtkTextBuffer *buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(win->widget) ); gtk_text_buffer_get_start_iter(buffer, &begin); gtk_text_buffer_create_mark(buffer, "cursor_position", &begin, TRUE); - - /* Fill the buffer with blanks and move the cursor to the upper left */ gdk_threads_leave(); + + /* Fill the buffer with blanks and move the cursor to the upper left */ glk_window_clear(win); - gdk_threads_enter(); - - /* Apparently this only works after the window has been realized */ - gtk_text_view_set_overwrite( GTK_TEXT_VIEW(win->widget), TRUE ); } - gdk_threads_leave(); - return win; } +/* Internal function: if node's key window is closing_win or one of its + children, set node's key window to NULL. */ +static gboolean +remove_key_windows(GNode *node, winid_t closing_win) +{ + winid_t win = (winid_t)node->data; + if(win->key_window && (win->key_window == closing_win || g_node_is_ancestor(closing_win->window_node, win->key_window->window_node))) + win->key_window = NULL; + return FALSE; /* Don't stop the traversal */ +} + +/* Internal function: destroy this window's GTK widgets, window streams, + and those of all its children */ +static void +destroy_windows_below(winid_t win, stream_result_t *result) +{ + switch(win->type) + { + case wintype_Blank: + gdk_threads_enter(); + gtk_widget_unparent(win->widget); + gdk_threads_leave(); + break; + + case wintype_TextGrid: + case wintype_TextBuffer: + gdk_threads_enter(); + gtk_widget_unparent(win->frame); + gdk_threads_leave(); + /* TODO: Cancel all input requests */ + break; + + case wintype_Pair: + destroy_windows_below(win->window_node->children->data, NULL); + destroy_windows_below(win->window_node->children->next->data, NULL); + break; + + default: + ILLEGAL_PARAM("Unknown window type: %u", win->type); + return; + } + stream_close_common(win->window_stream, result); +} + +/* Internal function: free the winid_t structure of this window and those of all its children */ +static void +free_winids_below(winid_t win) +{ + if(win->type == wintype_Pair) { + free_winids_below(win->window_node->children->data); + free_winids_below(win->window_node->children->next->data); + } + win->magic = MAGIC_FREE; + g_free(win); +} + /** * glk_window_close: * @win: Window to close. @@ -582,8 +661,17 @@ glk_window_open(winid_t split, glui32 method, glui32 size, glui32 wintype, * When you close a window (and it is not the root window), the other window * in its pair takes over all the freed-up area. Let's close D, in the current * example: - * Screen shot 10 - * + * + * + * + * + * O1 + * / \ + * O2 B + * / \ + * A C + * + * * * Notice what has happened. D is gone. O3 is gone, and its 50-50 left-right * split has gone with it. The other size constraints are unchanged; O2 is @@ -593,8 +681,17 @@ glk_window_open(winid_t split, glui32 method, glui32 size, glui32 wintype, * to the way it was before we created D. * * But what if we had closed C instead of D? We would have gotten this: - * Screen shot 11 - * + * + * + * + * + * O1 + * / \ + * O2 B + * / \ + * A D + * + * * * Again, O3 is gone. But D has collapsed to zero height. This is because its * height is controlled by O2, and O2's key window was C, and C is now gone. O2 @@ -613,68 +710,67 @@ glk_window_open(winid_t split, glui32 method, glui32 size, glui32 wintype, void glk_window_close(winid_t win, stream_result_t *result) { - GNode* parent_node; - - g_return_if_fail(win != NULL); - - gdk_threads_enter(); - - switch(win->type) - { - case wintype_Blank: - gtk_widget_destroy(win->widget); - break; + VALID_WINDOW(win, return); - case wintype_TextGrid: - case wintype_TextBuffer: - gtk_widget_destroy(win->frame); - /* TODO: Cancel all input requests */ - break; - - case wintype_Pair: - { - GNode* left_child = g_node_first_child(win->window_node); - GNode* right_child = g_node_last_child(win->window_node); - - glk_window_close((winid_t) left_child->data, result); - glk_window_close((winid_t) right_child->data, result); - - gtk_widget_destroy(win->widget); - } - break; - - default: - g_warning("%s: unsupported window type", __func__); - gdk_threads_leave(); - return; + /* If any pair windows have this window or its children as a key window, + set their key window to NULL */ + g_node_traverse(glk_data->root_window, G_IN_ORDER, G_TRAVERSE_NON_LEAVES, -1, (GNodeTraverseFunc)remove_key_windows, win); + + /* Close all the window streams and destroy the widgets of this window + and below, before trashing the window tree */ + destroy_windows_below(win, result); + + /* Then free the winid_t structures below this node, but not this one itself */ + if(win->type == wintype_Pair) { + free_winids_below(win->window_node->children->data); + free_winids_below(win->window_node->children->next->data); } - - stream_close_common(win->window_stream, result); - + /* So now we should be left with a skeleton tree hanging off this node */ + /* Parent window changes from a split window into the sibling window */ - if( (parent_node = win->window_node->parent) != NULL ) + /* The parent of any window is either a pair window or NULL */ + GNode *pair_node = win->window_node->parent; + g_node_destroy(win->window_node); + /* If win was not the root window: */ + if(pair_node != NULL) { - winid_t pair = (winid_t) parent_node->data; - if(parent_node->parent == NULL) + gboolean new_child_on_left = ( pair_node == g_node_first_sibling(pair_node) ); + GNode *sibling_node = pair_node->children; /* only one child left */ + GNode *new_parent_node = pair_node->parent; + g_node_unlink(pair_node); + g_node_unlink(sibling_node); + /* pair_node and sibling_node should now be totally unconnected to the tree */ + + if(new_parent_node == NULL) { - if(parent_node->next) - glk_data->root_window = parent_node->next; - else if(parent_node->prev) - glk_data->root_window = parent_node->prev; - } else { - if(parent_node->next) - g_node_append(parent_node->parent, parent_node->next); - else if(parent_node->prev) - g_node_append(parent_node->parent, parent_node->prev); + glk_data->root_window = sibling_node; + } + else + { + if(new_child_on_left) + g_node_prepend(new_parent_node, sibling_node); + else + g_node_append(new_parent_node, sibling_node); } - g_node_unlink(parent_node); + winid_t pair = (winid_t) pair_node->data; + g_node_destroy(pair_node); + + pair->magic = MAGIC_FREE; g_free(pair); + } + else /* it was the root window */ + { + glk_data->root_window = NULL; } - g_node_destroy(win->window_node); + win->magic = MAGIC_FREE; g_free(win); + /* Schedule a redraw */ + gdk_threads_enter(); + gtk_widget_queue_resize( GTK_WIDGET(glk_data->self) ); + gdk_window_process_all_updates(); gdk_threads_leave(); } @@ -718,7 +814,7 @@ glk_window_close(winid_t win, stream_result_t *result) void glk_window_clear(winid_t win) { - g_return_if_fail(win != NULL); + VALID_WINDOW(win, return); g_return_if_fail(win->input_request_type != INPUT_REQUEST_LINE && win->input_request_type != INPUT_REQUEST_LINE_UNICODE); switch(win->type) @@ -771,7 +867,7 @@ glk_window_clear(winid_t win) break; default: - g_warning("glk_window_clear: unsupported window type"); + ILLEGAL_PARAM("Unknown window type: %d", win->type); } } @@ -785,6 +881,7 @@ glk_window_clear(winid_t win) void glk_set_window(winid_t win) { + VALID_WINDOW_OR_NULL(win, return); glk_stream_set_current( glk_window_get_stream(win) ); } @@ -805,7 +902,7 @@ glk_set_window(winid_t win) */ strid_t glk_window_get_stream(winid_t win) { - g_return_val_if_fail(win != NULL, NULL); + VALID_WINDOW(win, return NULL); return win->window_stream; } @@ -826,7 +923,8 @@ strid_t glk_window_get_stream(winid_t win) void glk_window_set_echo_stream(winid_t win, strid_t str) { - g_return_if_fail(win != NULL); + VALID_WINDOW(win, return); + VALID_STREAM_OR_NULL(str, return); /* Test for an infinite loop */ strid_t next = str; @@ -834,7 +932,7 @@ glk_window_set_echo_stream(winid_t win, strid_t str) { if(next == win->window_stream) { - g_warning("%s: Infinite loop detected", __func__); + ILLEGAL("Infinite loop detected"); win->echo_stream = NULL; return; } @@ -855,7 +953,7 @@ glk_window_set_echo_stream(winid_t win, strid_t str) strid_t glk_window_get_echo_stream(winid_t win) { - g_return_val_if_fail(win != NULL, NULL); + VALID_WINDOW(win, return NULL); return win->echo_stream; } @@ -875,11 +973,12 @@ glk_window_get_echo_stream(winid_t win) void glk_window_get_size(winid_t win, glui32 *widthptr, glui32 *heightptr) { - g_return_if_fail(win != NULL); + VALID_WINDOW(win, return); switch(win->type) { case wintype_Blank: + case wintype_Pair: if(widthptr != NULL) *widthptr = 0; if(heightptr != NULL) @@ -887,7 +986,22 @@ glk_window_get_size(winid_t win, glui32 *widthptr, glui32 *heightptr) break; case wintype_TextGrid: - /* The text grid caches its width and height */ + gdk_threads_enter(); + /* Wait for the window to be drawn, and then cache the width and height */ + gdk_window_process_all_updates(); + while(win->widget->allocation.width == 1 && win->widget->allocation.height == 1) + { + /* Release the GDK lock momentarily */ + gdk_threads_leave(); + gdk_threads_enter(); + while(gtk_events_pending()) + gtk_main_iteration(); + } + + win->width = (glui32)(win->widget->allocation.width / win->unit_width); + win->height = (glui32)(win->widget->allocation.height / win->unit_height); + gdk_threads_leave(); + if(widthptr != NULL) *widthptr = win->width; if(heightptr != NULL) @@ -905,7 +1019,8 @@ glk_window_get_size(winid_t win, glui32 *widthptr, glui32 *heightptr) } */ /* Instead, we wait for GTK to draw the widget. This is probably very slow and should be fixed. */ - while(win->widget->allocation.width == 1 && win->widget->allocation.height == 1) + gdk_window_process_all_updates(); + while(win->widget->allocation.width == 1 && win->widget->allocation.height == 1) { /* Release the GDK lock momentarily */ gdk_threads_leave(); @@ -923,7 +1038,7 @@ glk_window_get_size(winid_t win, glui32 *widthptr, glui32 *heightptr) break; default: - g_warning("glk_window_get_size: Unsupported window type"); + ILLEGAL_PARAM("Unknown window type: %u", win->type); } } @@ -960,7 +1075,7 @@ glk_window_get_size(winid_t win, glui32 *widthptr, glui32 *heightptr) void glk_window_move_cursor(winid_t win, glui32 xpos, glui32 ypos) { - g_return_if_fail(win != NULL); + VALID_WINDOW(win, return); g_return_if_fail(win->type == wintype_TextGrid); /* Calculate actual position if cursor is moved past the right edge */