libui/unix/table.c

515 lines
15 KiB
C

// 26 june 2016
#include "uipriv_unix.h"
#include "table.h"
struct uiTable {
uiUnixControl c;
GtkWidget *widget;
GtkContainer *scontainer;
GtkScrolledWindow *sw;
GtkWidget *treeWidget;
GtkTreeView *tv;
uiTableModel *model;
GPtrArray *columnParams;
int backgroundColumn;
// keys are struct rowcol, values are gint
// TODO document this properly
GHashTable *indeterminatePositions;
guint indeterminateTimer;
};
// use the same size as GtkFileChooserWidget's treeview
// TODO refresh when icon theme changes
// TODO doesn't work when scaled?
// TODO is this even necessary?
static void setImageSize(GtkCellRenderer *r)
{
gint size;
gint width, height;
gint xpad, ypad;
size = 16; // fallback used by GtkFileChooserWidget
if (gtk_icon_size_lookup(GTK_ICON_SIZE_MENU, &width, &height) != FALSE)
size = MAX(width, height);
gtk_cell_renderer_get_padding(r, &xpad, &ypad);
gtk_cell_renderer_set_fixed_size(r,
2 * xpad + size,
2 * ypad + size);
}
static void applyColor(GtkTreeModel *m, GtkTreeIter *iter, int modelColumn, GtkCellRenderer *r, const char *prop, const char *propSet)
{
GValue value = G_VALUE_INIT;
GdkRGBA *rgba;
gtk_tree_model_get_value(m, iter, modelColumn, &value);
rgba = (GdkRGBA *) g_value_get_boxed(&value);
if (rgba != NULL)
g_object_set(r, prop, rgba, NULL);
else
g_object_set(r, propSet, FALSE, NULL);
g_value_unset(&value);
}
static void setEditable(uiTableModel *m, GtkTreeIter *iter, int modelColumn, GtkCellRenderer *r, const char *prop)
{
GtkTreePath *path;
int row;
gboolean editable;
// TODO avoid the need for this
path = gtk_tree_model_get_path(GTK_TREE_MODEL(m), iter);
row = gtk_tree_path_get_indices(path)[0];
editable = uiprivTableModelCellEditable(m, row, modelColumn) != 0;
g_object_set(r, prop, editable, NULL);
}
static void applyBackgroundColor(uiTable *t, GtkTreeModel *m, GtkTreeIter *iter, GtkCellRenderer *r)
{
if (t->backgroundColumn != -1)
applyColor(m, iter, t->backgroundColumn,
r, "cell-background-rgba", "cell-background-set");
}
static void onEdited(uiTableModel *m, int column, const char *pathstr, const uiTableValue *tvalue, GtkTreeIter *iter)
{
GtkTreePath *path;
int row;
path = gtk_tree_path_new_from_string(pathstr);
row = gtk_tree_path_get_indices(path)[0];
if (iter != NULL)
gtk_tree_model_get_iter(GTK_TREE_MODEL(m), iter, path);
gtk_tree_path_free(path);
uiprivTableModelSetCellValue(m, row, column, tvalue);
}
struct textColumnParams {
uiTable *t;
uiTableModel *m;
int modelColumn;
int editableColumn;
uiTableTextColumnOptionalParams params;
};
static void textColumnDataFunc(GtkTreeViewColumn *c, GtkCellRenderer *r, GtkTreeModel *m, GtkTreeIter *iter, gpointer data)
{
struct textColumnParams *p = (struct textColumnParams *) data;
GValue value = G_VALUE_INIT;
const gchar *str;
gtk_tree_model_get_value(m, iter, p->modelColumn, &value);
str = g_value_get_string(&value);
g_object_set(r, "text", str, NULL);
g_value_unset(&value);
setEditable(p->m, iter, p->editableColumn, r, "editable");
if (p->params.ColorModelColumn != -1)
applyColor(m, iter, p->params.ColorModelColumn,
r, "foreground-rgba", "foreground-set");
applyBackgroundColor(p->t, m, iter, r);
}
static void textColumnEdited(GtkCellRendererText *r, gchar *path, gchar *newText, gpointer data)
{
struct textColumnParams *p = (struct textColumnParams *) data;
uiTableValue *tvalue;
GtkTreeIter iter;
tvalue = uiNewTableValueString(newText);
onEdited(p->m, p->modelColumn, path, tvalue, &iter);
uiFreeTableValue(tvalue);
// and update the column TODO copy comment here
textColumnDataFunc(NULL, GTK_CELL_RENDERER(r), GTK_TREE_MODEL(p->m), &iter, data);
}
struct imageColumnParams {
uiTable *t;
int modelColumn;
};
static void imageColumnDataFunc(GtkTreeViewColumn *c, GtkCellRenderer *r, GtkTreeModel *m, GtkTreeIter *iter, gpointer data)
{
struct imageColumnParams *p = (struct imageColumnParams *) data;
GValue value = G_VALUE_INIT;
uiImage *img;
//TODO setImageSize(r);
gtk_tree_model_get_value(m, iter, p->modelColumn, &value);
img = (uiImage *) g_value_get_pointer(&value);
g_object_set(r, "surface",
uiprivImageAppropriateSurface(img, p->t->treeWidget),
NULL);
g_value_unset(&value);
applyBackgroundColor(p->t, m, iter, r);
}
struct checkboxColumnParams {
uiTable *t;
uiTableModel *m;
int modelColumn;
int editableColumn;
};
static void checkboxColumnDataFunc(GtkTreeViewColumn *c, GtkCellRenderer *r, GtkTreeModel *m, GtkTreeIter *iter, gpointer data)
{
struct checkboxColumnParams *p = (struct checkboxColumnParams *) data;
GValue value = G_VALUE_INIT;
gboolean active;
gtk_tree_model_get_value(m, iter, p->modelColumn, &value);
active = g_value_get_int(&value) != 0;
g_object_set(r, "active", active, NULL);
g_value_unset(&value);
setEditable(p->m, iter, p->editableColumn, r, "activatable");
applyBackgroundColor(p->t, m, iter, r);
}
static void checkboxColumnToggled(GtkCellRendererToggle *r, gchar *pathstr, gpointer data)
{
struct checkboxColumnParams *p = (struct checkboxColumnParams *) data;
GValue value = G_VALUE_INIT;
int v;
uiTableValue *tvalue;
GtkTreePath *path;
GtkTreeIter iter;
path = gtk_tree_path_new_from_string(pathstr);
gtk_tree_model_get_iter(GTK_TREE_MODEL(p->m), &iter, path);
gtk_tree_path_free(path);
gtk_tree_model_get_value(GTK_TREE_MODEL(p->m), &iter, p->modelColumn, &value);
v = g_value_get_int(&value);
g_value_unset(&value);
tvalue = uiNewTableValueInt(!v);
onEdited(p->m, p->modelColumn, pathstr, tvalue, NULL);
uiFreeTableValue(tvalue);
// and update the column TODO copy comment here
// TODO avoid fetching the model data twice
checkboxColumnDataFunc(NULL, GTK_CELL_RENDERER(r), GTK_TREE_MODEL(p->m), &iter, data);
}
struct progressBarColumnParams {
uiTable *t;
int modelColumn;
};
struct rowcol {
int row;
int col;
};
static guint rowcolHash(gconstpointer key)
{
const struct rowcol *rc = (const struct rowcol *) key;
guint row, col;
row = (guint) (rc->row);
col = (guint) (rc->col);
return row ^ col;
}
static gboolean rowcolEqual(gconstpointer a, gconstpointer b)
{
const struct rowcol *ra = (const struct rowcol *) a;
const struct rowcol *rb = (const struct rowcol *) b;
return (ra->row == rb->row) && (ra->col == rb->col);
}
static void pulseOne(gpointer key, gpointer value, gpointer data)
{
uiTable *t = uiTable(data);
struct rowcol *rc = (struct rowcol *) key;
// TODO this is bad: it produces changed handlers for every table because that's how GtkTreeModel works, yet this is per-table because that's how it works
// however, a proper fix would require decoupling progress from normal integers, which we could do...
uiTableModelRowChanged(t->model, rc->row);
}
static gboolean indeterminatePulse(gpointer data)
{
uiTable *t = uiTable(data);
g_hash_table_foreach(t->indeterminatePositions, pulseOne, t);
return TRUE;
}
static void progressBarColumnDataFunc(GtkTreeViewColumn *c, GtkCellRenderer *r, GtkTreeModel *m, GtkTreeIter *iter, gpointer data)
{
struct progressBarColumnParams *p = (struct progressBarColumnParams *) data;
GValue value = G_VALUE_INIT;
int pval;
struct rowcol *rc;
gint *val;
GtkTreePath *path;
gtk_tree_model_get_value(m, iter, p->modelColumn, &value);
pval = g_value_get_int(&value);
rc = uiprivNew(struct rowcol);
// TODO avoid the need for this
path = gtk_tree_model_get_path(GTK_TREE_MODEL(m), iter);
rc->row = gtk_tree_path_get_indices(path)[0];
rc->col = p->modelColumn;
val = (gint *) g_hash_table_lookup(p->t->indeterminatePositions, rc);
if (pval == -1) {
if (val == NULL) {
val = uiprivNew(gint);
*val = 1;
g_hash_table_insert(p->t->indeterminatePositions, rc, val);
} else {
uiprivFree(rc);
(*val)++;
if (*val == G_MAXINT)
*val = 1;
}
g_object_set(r,
"pulse", *val,
NULL);
if (p->t->indeterminateTimer == 0)
// TODO verify the timeout
p->t->indeterminateTimer = g_timeout_add(100, indeterminatePulse, p->t);
} else {
if (val != NULL) {
g_hash_table_remove(p->t->indeterminatePositions, rc);
uiprivFree(rc);
if (g_hash_table_size(p->t->indeterminatePositions) == 0) {
g_source_remove(p->t->indeterminateTimer);
p->t->indeterminateTimer = 0;
}
}
g_object_set(r,
"pulse", -1,
"value", pval,
NULL);
}
g_value_unset(&value);
applyBackgroundColor(p->t, m, iter, r);
}
struct buttonColumnParams {
uiTable *t;
uiTableModel *m;
int modelColumn;
int clickableColumn;
};
static void buttonColumnDataFunc(GtkTreeViewColumn *c, GtkCellRenderer *r, GtkTreeModel *m, GtkTreeIter *iter, gpointer data)
{
struct buttonColumnParams *p = (struct buttonColumnParams *) data;
GValue value = G_VALUE_INIT;
const gchar *str;
gtk_tree_model_get_value(m, iter, p->modelColumn, &value);
str = g_value_get_string(&value);
g_object_set(r, "text", str, NULL);
g_value_unset(&value);
setEditable(p->m, iter, p->clickableColumn, r, "sensitive");
applyBackgroundColor(p->t, m, iter, r);
}
// TODO wrong type here
static void buttonColumnClicked(GtkCellRenderer *r, gchar *pathstr, gpointer data)
{
struct buttonColumnParams *p = (struct buttonColumnParams *) data;
onEdited(p->m, p->modelColumn, pathstr, NULL, NULL);
}
static GtkTreeViewColumn *addColumn(uiTable *t, const char *name)
{
GtkTreeViewColumn *c;
c = gtk_tree_view_column_new();
gtk_tree_view_column_set_resizable(c, TRUE);
gtk_tree_view_column_set_title(c, name);
gtk_tree_view_append_column(t->tv, c);
return c;
}
static void addTextColumn(uiTable *t, GtkTreeViewColumn *c, int textModelColumn, int textEditableModelColumn, uiTableTextColumnOptionalParams *textParams)
{
struct textColumnParams *p;
GtkCellRenderer *r;
p = uiprivNew(struct textColumnParams);
p->t = t;
// TODO get rid of these fields AND rename t->model in favor of t->m
p->m = t->model;
p->modelColumn = textModelColumn;
p->editableColumn = textEditableModelColumn;
if (textParams != NULL)
p->params = *textParams;
else
p->params = uiprivDefaultTextColumnOptionalParams;
r = gtk_cell_renderer_text_new();
gtk_tree_view_column_pack_start(c, r, TRUE);
gtk_tree_view_column_set_cell_data_func(c, r, textColumnDataFunc, p, NULL);
g_signal_connect(r, "edited", G_CALLBACK(textColumnEdited), p);
g_ptr_array_add(t->columnParams, p);
}
// TODO rename modelCOlumn and params everywhere
void uiTableAppendTextColumn(uiTable *t, const char *name, int textModelColumn, int textEditableModelColumn, uiTableTextColumnOptionalParams *textParams)
{
GtkTreeViewColumn *c;
c = addColumn(t, name);
addTextColumn(t, c, textModelColumn, textEditableModelColumn, textParams);
}
static void addImageColumn(uiTable *t, GtkTreeViewColumn *c, int imageModelColumn)
{
struct imageColumnParams *p;
GtkCellRenderer *r;
p = uiprivNew(struct imageColumnParams);
p->t = t;
p->modelColumn = imageModelColumn;
r = gtk_cell_renderer_pixbuf_new();
gtk_tree_view_column_pack_start(c, r, FALSE);
gtk_tree_view_column_set_cell_data_func(c, r, imageColumnDataFunc, p, NULL);
g_ptr_array_add(t->columnParams, p);
}
void uiTableAppendImageColumn(uiTable *t, const char *name, int imageModelColumn)
{
GtkTreeViewColumn *c;
c = addColumn(t, name);
addImageColumn(t, c, imageModelColumn);
}
void uiTableAppendImageTextColumn(uiTable *t, const char *name, int imageModelColumn, int textModelColumn, int textEditableModelColumn, uiTableTextColumnOptionalParams *textParams)
{
GtkTreeViewColumn *c;
c = addColumn(t, name);
addImageColumn(t, c, imageModelColumn);
addTextColumn(t, c, textModelColumn, textEditableModelColumn, textParams);
}
static void addCheckboxColumn(uiTable *t, GtkTreeViewColumn *c, int checkboxModelColumn, int checkboxEditableModelColumn)
{
struct checkboxColumnParams *p;
GtkCellRenderer *r;
p = uiprivNew(struct checkboxColumnParams);
p->t = t;
p->m = t->model;
p->modelColumn = checkboxModelColumn;
p->editableColumn = checkboxEditableModelColumn;
r = gtk_cell_renderer_toggle_new();
gtk_tree_view_column_pack_start(c, r, FALSE);
gtk_tree_view_column_set_cell_data_func(c, r, checkboxColumnDataFunc, p, NULL);
g_signal_connect(r, "toggled", G_CALLBACK(checkboxColumnToggled), p);
g_ptr_array_add(t->columnParams, p);
}
void uiTableAppendCheckboxColumn(uiTable *t, const char *name, int checkboxModelColumn, int checkboxEditableModelColumn)
{
GtkTreeViewColumn *c;
c = addColumn(t, name);
addCheckboxColumn(t, c, checkboxModelColumn, checkboxEditableModelColumn);
}
void uiTableAppendCheckboxTextColumn(uiTable *t, const char *name, int checkboxModelColumn, int checkboxEditableModelColumn, int textModelColumn, int textEditableModelColumn, uiTableTextColumnOptionalParams *textParams)
{
GtkTreeViewColumn *c;
c = addColumn(t, name);
addCheckboxColumn(t, c, checkboxModelColumn, checkboxEditableModelColumn);
addTextColumn(t, c, textModelColumn, textEditableModelColumn, textParams);
}
void uiTableAppendProgressBarColumn(uiTable *t, const char *name, int progressModelColumn)
{
GtkTreeViewColumn *c;
struct progressBarColumnParams *p;
GtkCellRenderer *r;
c = addColumn(t, name);
p = uiprivNew(struct progressBarColumnParams);
p->t = t;
// TODO make progress and progressBar consistent everywhere
p->modelColumn = progressModelColumn;
r = gtk_cell_renderer_progress_new();
gtk_tree_view_column_pack_start(c, r, TRUE);
gtk_tree_view_column_set_cell_data_func(c, r, progressBarColumnDataFunc, p, NULL);
g_ptr_array_add(t->columnParams, p);
}
void uiTableAppendButtonColumn(uiTable *t, const char *name, int buttonModelColumn, int buttonClickableModelColumn)
{
GtkTreeViewColumn *c;
struct buttonColumnParams *p;
GtkCellRenderer *r;
c = addColumn(t, name);
p = uiprivNew(struct buttonColumnParams);
p->t = t;
p->m = t->model;
p->modelColumn = buttonModelColumn;
p->clickableColumn = buttonClickableModelColumn;
r = uiprivNewCellRendererButton();
gtk_tree_view_column_pack_start(c, r, TRUE);
gtk_tree_view_column_set_cell_data_func(c, r, buttonColumnDataFunc, p, NULL);
g_signal_connect(r, "clicked", G_CALLBACK(buttonColumnClicked), p);
g_ptr_array_add(t->columnParams, p);
}
uiUnixControlAllDefaultsExceptDestroy(uiTable)
static void uiTableDestroy(uiControl *c)
{
uiTable *t = uiTable(c);
// TODO
g_object_unref(t->widget);
uiFreeControl(uiControl(t));
}
uiTable *uiNewTable(uiTableParams *p)
{
uiTable *t;
uiUnixNewControl(uiTable, t);
t->model = p->Model;
t->columnParams = g_ptr_array_new();
t->backgroundColumn = p->RowBackgroundColorModelColumn;
t->widget = gtk_scrolled_window_new(NULL, NULL);
t->scontainer = GTK_CONTAINER(t->widget);
t->sw = GTK_SCROLLED_WINDOW(t->widget);
gtk_scrolled_window_set_shadow_type(t->sw, GTK_SHADOW_IN);
t->treeWidget = gtk_tree_view_new_with_model(GTK_TREE_MODEL(t->model));
t->tv = GTK_TREE_VIEW(t->treeWidget);
// TODO set up t->tv
gtk_container_add(t->scontainer, t->treeWidget);
// and make the tree view visible; only the scrolled window's visibility is controlled by libui
gtk_widget_show(t->treeWidget);
t->indeterminatePositions = g_hash_table_new_full(rowcolHash, rowcolEqual,
uiprivFree, uiprivFree);
return t;
}