142 lines
3.6 KiB
C
142 lines
3.6 KiB
C
// 9 june 2016
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#include "uipriv_unix.h"
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struct gridChild {
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uiControl *c;
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GtkWidget *label;
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gboolean oldhexpand;
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GtkAlign oldhalign;
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gboolean oldvexpand;
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GtkAlign oldvalign;
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};
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struct uiGrid {
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uiUnixControl c;
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GtkWidget *widget;
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GtkContainer *container;
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GtkGrid *grid;
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GArray *children;
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int padded;
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};
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uiUnixControlAllDefaultsExceptDestroy(uiGrid)
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#define ctrl(g, i) &g_array_index(g->children, struct gridChild, i)
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static void uiGridDestroy(uiControl *c)
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{
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uiGrid *g = uiGrid(c);
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struct gridChild *gc;
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guint i;
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// free all controls
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for (i = 0; i < g->children->len; i++) {
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gc = ctrl(g, i);
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uiControlSetParent(gc->c, NULL);
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uiUnixControlSetContainer(uiUnixControl(gc->c), g->container, TRUE);
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uiControlDestroy(gc->c);
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}
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g_array_free(g->children, TRUE);
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// and then ourselves
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g_object_unref(g->widget);
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uiFreeControl(uiControl(g));
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}
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#define TODO_MASSIVE_HACK(c) \
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if (!uiUnixControl(c)->addedBefore) { \
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g_object_ref_sink(GTK_WIDGET(uiControlHandle(uiControl(c)))); \
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gtk_widget_show(GTK_WIDGET(uiControlHandle(uiControl(c)))); \
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uiUnixControl(c)->addedBefore = TRUE; \
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}
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static const GtkAlign gtkAligns[] = {
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[uiAlignFill] = GTK_ALIGN_FILL,
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[uiAlignStart] = GTK_ALIGN_START,
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[uiAlignCenter] = GTK_ALIGN_CENTER,
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[uiAlignEnd] = GTK_ALIGN_END,
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};
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static const GtkPositionType gtkPositions[] = {
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[uiAtLeading] = GTK_POS_LEFT,
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[uiAtTop] = GTK_POS_TOP,
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[uiAtTrailing] = GTK_POS_RIGHT,
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[uiAtBottom] = GTK_POS_BOTTOM,
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};
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static GtkWidget *prepare(struct gridChild *gc, uiControl *c, int hexpand, uiAlign halign, int vexpand, uiAlign valign)
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{
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GtkWidget *widget;
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gc->c = c;
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widget = GTK_WIDGET(uiControlHandle(gc->c));
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gc->oldhexpand = gtk_widget_get_hexpand(widget);
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gc->oldhalign = gtk_widget_get_halign(widget);
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gc->oldvexpand = gtk_widget_get_vexpand(widget);
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gc->oldvalign = gtk_widget_get_valign(widget);
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gtk_widget_set_hexpand(widget, hexpand != 0);
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gtk_widget_set_halign(widget, gtkAligns[halign]);
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gtk_widget_set_vexpand(widget, vexpand != 0);
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gtk_widget_set_valign(widget, gtkAligns[valign]);
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return widget;
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}
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void uiGridAppend(uiGrid *g, uiControl *c, intmax_t left, intmax_t top, intmax_t xspan, intmax_t yspan, int hexpand, uiAlign halign, int vexpand, uiAlign valign)
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{
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struct gridChild gc;
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GtkWidget *widget;
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widget = prepare(&gc, c, hexpand, halign, vexpand, valign);
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uiControlSetParent(gc.c, uiControl(g));
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TODO_MASSIVE_HACK(uiUnixControl(gc.c));
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gtk_grid_attach(g->grid, widget,
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left, top,
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xspan, yspan);
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g_array_append_val(g->children, gc);
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}
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void uiGridInsertAt(uiGrid *g, uiControl *c, uiControl *existing, uiAt at, intmax_t xspan, intmax_t yspan, int hexpand, uiAlign halign, int vexpand, uiAlign valign)
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{
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struct gridChild gc;
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GtkWidget *widget;
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widget = prepare(&gc, c, hexpand, halign, vexpand, valign);
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uiControlSetParent(gc.c, uiControl(g));
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TODO_MASSIVE_HACK(uiUnixControl(gc.c));
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gtk_grid_attach_next_to(g->grid, widget,
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GTK_WIDGET(uiControlHandle(existing)), gtkPositions[at],
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xspan, yspan);
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g_array_append_val(g->children, gc);
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}
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int uiGridPadded(uiGrid *g)
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{
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return g->padded;
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}
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void uiGridSetPadded(uiGrid *g, int padded)
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{
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g->padded = padded;
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if (g->padded) {
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gtk_grid_set_row_spacing(g->grid, gtkYPadding);
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gtk_grid_set_column_spacing(g->grid, gtkXPadding);
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} else {
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gtk_grid_set_row_spacing(g->grid, 0);
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gtk_grid_set_column_spacing(g->grid, 0);
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}
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}
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uiGrid *uiNewGrid(void)
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{
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uiGrid *g;
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uiUnixNewControl(uiGrid, g);
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g->widget = gtk_grid_new();
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g->container = GTK_CONTAINER(g->widget);
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g->grid = GTK_GRID(g->widget);
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g->children = g_array_new(FALSE, TRUE, sizeof (struct gridChild));
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return g;
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}
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