arti/wdisplays
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Fix incorrect canvas scroll sizes and margins

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This commit is contained in:
Jason Francis 2019-08-23 18:00:07 -04:00
parent bd8fc3f7d4
commit 53d52f0fe3
3 changed files with 26 additions and 22 deletions
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2
resources/wdisplays.ui
View File

@ -150,7 +150,7 @@
<property name="can_focus">True</property>
<property name="hadjustment">canvas_horiz</property>
<property name="vadjustment">canvas_vert</property>
<property name="min_content_width">300</property>
<property name="min_content_width">400</property>
<property name="min_content_height">300</property>
<child>
<placeholder/>

44
src/main.c
View File

@ -38,7 +38,7 @@ __attribute__((noreturn)) void wd_fatal_error(int status, const char *message) {
#define DEFAULT_ZOOM 0.1
#define MIN_ZOOM (1./1000.)
#define MAX_ZOOM 1000.
#define CANVAS_MARGIN 100
#define CANVAS_MARGIN 40
static const char *MODE_PREFIX = "mode";
static const char *TRANSFORM_PREFIX = "transform";
@ -201,6 +201,10 @@ static void update_scroll_size(struct wd_state *state) {
gtk_adjustment_set_page_increment(scroll_y_adj, state->render.viewport_height);
gtk_adjustment_set_step_increment(scroll_x_adj, state->render.viewport_width / 10);
gtk_adjustment_set_step_increment(scroll_y_adj, state->render.viewport_height / 10);
double x = gtk_adjustment_get_value(scroll_x_adj);
double y = gtk_adjustment_get_value(scroll_y_adj);
gtk_adjustment_set_value(scroll_x_adj, MIN(x, scroll_x_upper));
gtk_adjustment_set_value(scroll_y_adj, MIN(y, scroll_y_upper));
}
/*
@ -212,25 +216,27 @@ static void update_canvas_size(struct wd_state *state) {
int ymin = 0;
int ymax = 0;
struct wd_head *head;
wl_list_for_each(head, &state->heads, link) {
int w = head->custom_mode.width;
int h = head->custom_mode.height;
if (head->enabled && head->mode != NULL) {
w = head->mode->width;
h = head->mode->height;
g_autoptr(GList) forms = gtk_container_get_children(GTK_CONTAINER(state->stack));
for (GList *form_iter = forms; form_iter != NULL; form_iter = form_iter->next) {
GtkBuilder *builder = GTK_BUILDER(g_object_get_data(G_OBJECT(form_iter->data), "builder"));
gboolean enabled = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(gtk_builder_get_object(builder, "enabled")));
if (enabled) {
int x1 = gtk_spin_button_get_value(GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "pos_x")));
int y1 = gtk_spin_button_get_value(GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "pos_y")));
int w = gtk_spin_button_get_value(GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "width")));
int h = gtk_spin_button_get_value(GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "height")));
int x2 = x1 + w;
int y2 = y1 + w;
double scale = gtk_spin_button_get_value(GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "scale")));
if (scale > 0.) {
w /= scale;
h /= scale;
}
xmin = MIN(xmin, x1);
xmax = MAX(xmax, x2);
ymin = MIN(ymin, y1);
ymax = MAX(ymax, y2);
}
if (head->scale > 0.) {
w /= head->scale;
h /= head->scale;
}
int x2 = head->x + w;
int y2 = head->y + h;
xmin = MIN(xmin, head->x);
xmax = MAX(xmax, x2);
ymin = MIN(ymin, head->y);
ymax = MAX(ymax, y2);
}
// update canvas sizings
state->render.x_origin = floor(xmin * state->zoom) - CANVAS_MARGIN;

2
src/render.c
View File

@ -29,8 +29,6 @@
#include <epoxy/gl.h>
#include <wayland-util.h>
#define CANVAS_MARGIN 100
#define BT_UV_VERT_SIZE (2 + 2)
#define BT_UV_QUAD_SIZE (6 * BT_UV_VERT_SIZE)
#define BT_UV_MAX (BT_COLOR_QUAD_SIZE * HEADS_MAX)